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Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:af027\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:d5787\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:af027\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:d5787\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help you answer questions about Torchtune based on the documentation you provided. What's your first question?\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": []}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"UserMessage\", \"data\": {\"content\": \"Tell me how to use LoRA\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"How to use LoRA in Torchtune\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:af027\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:af027\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:af027\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:af027\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:af027\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]]_{\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:af027\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:cbeb1\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:8404f\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:cbeb1\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help you answer questions about Torchtune based on the documentation you provided. What's your first question?\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": []}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"UserMessage\", \"data\": {\"content\": \"Tell me how to use LoRA\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"How to use LoRA in Torchtune\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:8404f\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:8404f\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:8404f\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:8404f\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:8404f\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]]_{\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. 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Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:8404f\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. 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See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:cbeb1\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. 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Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:7b4a7\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:531f2\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help you answer questions about Torchtune based on the documentation you provided. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:7b4a7\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:7b4a7\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:7b4a7\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:7b4a7\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]]_{\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. 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Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:7b4a7\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:531f2\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:49640\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. 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Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:49640\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help you answer questions about Torchtune based on the documentation you provided. What's your first question?\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": []}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"UserMessage\", \"data\": {\"content\": \"Tell me how to use LoRA\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"How to use LoRA in Torchtune\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:900f3\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:900f3\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:900f3\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:900f3\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:900f3\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]]_{\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. 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  "[[\"meta-llama/Llama-3.1-8B-Instruct\", [{\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"SystemMessage\", \"data\": {\"content\": \"You are a helpful assistant\", \"role\": \"system\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"UserMessage\", \"data\": {\"content\": \"I am attaching some documentation for Torchtune. Help me answer questions I will ask next.\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"Torchtune documentation\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:24443\\nContent:  conversational data, :func:`~torchtune.datasets.chat_dataset` seems to be a good fit. For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"<TEMP_FILE>\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: <TEMP_FILE>    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:961ff\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:b49f7\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:961ff\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:b49f7\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help you answer questions about Torchtune based on the documentation you provided. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:961ff\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:961ff\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:961ff\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:961ff\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. 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Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:961ff\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:d4e29\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:d68cc\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:d4e29\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:d4e29\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:d4e29\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:d4e29\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:d4e29\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. 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Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:13786\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:f9c19\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. 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Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:f9c19\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:13786\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:13786\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:13786\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:13786\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. 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Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:13786\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:f9c19\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:13786\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:f9c19\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"<TEMP_FILE>\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: <TEMP_FILE>    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:46132\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:392a8\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:46132\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:392a8\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help you answer questions about Torchtune based on the documentation you provided. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:46132\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:46132\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:46132\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:46132\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:1b69d\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:deca9\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. 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Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:1b69d\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:1b69d\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:1b69d\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:1b69d\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. 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Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:1b69d\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. 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Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:1b69d\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. 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You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:91d52\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. 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Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:91d52\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help you answer questions about Torchtune based on the documentation you provided. 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LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:5c435\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:5c435\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:5c435\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:5c435\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:5c435\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. 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Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:5c435\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. 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Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:5c435\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. 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See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:91d52\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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First, let's download the model from Hugging Face. You will need to follow the instructions\\non the `official Meta page <https://github.com/meta-llama/llama3/blob/main/README.md>`_ to gain access to the model.\\nNext, make sure you grab your Hugging Face token from `here <https://huggingface.co/settings/tokens>`_.\\n\\n\\n.. code-block:: bash\\n\\n    tune download meta-llama/Meta-Llama-3\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:num-0\\nContent: :`download Llama3 Instruct weights <llama3_label>`\\n\\n\\nTemplate changes from Llama2 to Llama3\\n--------------------------------------\\n\\nThe Llama2 chat model requires a specific template when prompting the pre-trained\\nmodel. Since the chat model was pretrained with this prompt template, if you want to run\\ninference on the model, you'll need to use the same template for optimal performance\\non chat data. 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  "[[\"meta-llama/Llama-3.3-70B-Instruct\", [{\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"SystemMessage\", \"data\": {\"content\": \"You are a helpful assistant\", \"role\": \"system\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"UserMessage\", \"data\": {\"content\": \"I am attaching some documentation for Torchtune. Help me answer questions I will ask next.\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"Torchtune documentation\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:42933\\nContent:  conversational data, :func:`~torchtune.datasets.chat_dataset` seems to be a good fit. For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:20e5d\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:0cd43\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:20e5d\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:0cd43\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help. What's your question about Torchtune?\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": []}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"UserMessage\", \"data\": {\"content\": \"Tell me how to use LoRA\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"using LoRA in Torchtune\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:20e5d\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:20e5d\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:20e5d\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:20e5d\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:20e5d\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:20e5d\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:0cd43\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:20e5d\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. 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Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. 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  "[[\"meta-llama/Llama-3.3-70B-Instruct\", [{\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"SystemMessage\", \"data\": {\"content\": \"You are a helpful assistant\", \"role\": \"system\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"UserMessage\", \"data\": {\"content\": \"I am attaching some documentation for Torchtune. Help me answer questions I will ask next.\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"Torchtune documentation\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:8106c\\nContent:  conversational data, :func:`~torchtune.datasets.chat_dataset` seems to be a good fit. For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:a03f3\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:0719d\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:a03f3\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:0719d\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"I'm ready to help. What's your first question about Torchtune?\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": []}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"UserMessage\", \"data\": {\"content\": \"Tell me how to use LoRA\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"using LoRA in Torchtune\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:a03f3\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:a03f3\\nContent:  LoRA to Llama2 models\\n------------------------------\\n\\nWith torchtune, we can easily apply LoRA to Llama2 with a variety of different configurations.\\nLet's take a look at how to construct Llama2 models in torchtune with and without LoRA.\\n\\n.. code-block:: python\\n\\n  from torchtune.models.llama2 import llama2_7b, lora_llama2_7b\\n\\n  # Build Llama2 without any LoRA layers\\n  base_model = llama2_7b()\\n\\n  # The default settings for lora_llama2_7b will match those for llama2_7b\\n  # We just need to define which layers we want LoRA applied to.\\n  # Within each self-attention, we can choose from [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\", and \\\"output_proj\\\"].\\n  # We can also set apply_lora_to_mlp=True or apply_lora_to_output=True to apply LoRA to other linear\\n  # layers outside of the self-attention.\\n  lora_model = lora_llama2_7b(lora_attn_modules=[\\\"q_proj\\\", \\\"v_proj\\\"])\\n\\n.. note::\\n\\n    Calling :func:`lora_llama_2_7b <torchtune.models.llama2.lora_llama2_7b>` alone will not handle the definition of which parameters are trainable.\\n    See :ref:`below<setting_trainable_params>` for how to do this.\\n\\nLet's inspect each of these models a bit more closely.\\n\\n.. code-block:: bash\\n\\n  # Print the first layer's self-attention in the usual Llama2 model\\n  >>> print(base_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (k_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (v_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (output_proj): Linear(in_features=4096, out_features=4096, bias=False)\\n    (pos_embeddings): RotaryPositionalEmbeddings()\\n  )\\n\\n  # Print the same for Llama2 with LoRA weights\\n  >>> print(lora_model.layers[0].attn)\\n  MultiHeadAttention(\\n    (q_proj): LoRALinear(\\n      (dropout): Dropout(p=0.0, inplace=False)\\n     \\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:a03f3\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92c749411fbd5f0ff140023a25/recipes/lora_finetune.py>`_.\\nMake sure that you have first downloaded the Llama2 weights and tokenizer by following :ref:`these instructions<download_llama_label>`.\\nYou can then run the following command to perform a LoRA finetune of Llama2-7B with two GPUs (each having VRAM of at least 16GB):\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora\\n\\n.. note::\\n    Make sure to point to the location of your Llama2 weights and tokenizer. This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:a03f3\\nContent:  from our Llama2\\nmodel without any wrappers or custom checkpoint conversion logic.\\n\\n.. code-block:: python\\n\\n  # Assuming that base_model already has the pretrained Llama2 weights,\\n  # this will directly load them into your LoRA model without any conversion necessary.\\n  lora_model.load_state_dict(base_model.state_dict(), strict=False)\\n\\n.. note::\\n    Whenever loading weights with :code:`strict=False`, you should verify that any missing or extra keys in\\n    the loaded :code:`state_dict` are as expected. torchtune's LoRA recipes do this by default via\\n    :func:`validate_missing_and_unexpected_for_lora() <torchtune.modules.peft.validate_missing_and_unexpected_for_lora>`.\\n\\nOnce we've loaded the base model weights, we also want to set only LoRA parameters to trainable.\\n\\n.. _setting_trainable_params:\\n\\n.. code-block:: python\\n\\n  from torchtune.modules.peft.peft_utils import get_adapter_params, set_trainable_params\\n\\n  # Fetch all params from the model that are associated with LoRA.\\n  lora_params = get_adapter_params(lora_model)\\n\\n  # Set requires_grad=True on lora_params, and requires_grad=False on all others.\\n  set_trainable_params(lora_model, lora_params)\\n\\n  # Print the total number of parameters\\n  total_params = sum([p.numel() for p in lora_model.parameters()])\\n  trainable_params = sum([p.numel() for p in lora_model.parameters() if p.requires_grad])\\n  print(\\n    f\\\"\\\"\\\"\\n    {total_params} total params,\\n    {trainable_params}\\\" trainable params,\\n    {(100.0 * trainable_params / total_params):.2f}% of all params are trainable.\\n    \\\"\\\"\\\"\\n  )\\n\\n  6742609920 total params,\\n  4194304 trainable params,\\n  0.06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. Loading model weights and setting trainable parameters will be taken care\\n    of in the recipe.\\n\\n\\n.. _lora_recipe_label:\\n\\nLoRA finetuning recipe in torchtune\\n-----------------------------------\\n\\nFinally, we can put it all together and finetune a model using torchtune's `LoRA recipe <https://github.com/pytorch/torchtune/blob/48626d19d2108f92\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:a03f3\\nContent: ,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the default is to apply LoRA to Q and V projections with a rank of 8.\\nSome experiments with LoRA have found that it can be beneficial to apply LoRA to all linear layers in\\nthe self-attention, and to increase the rank to 16 or 32. Note that this is likely to increase our max memory,\\nbut as long as we keep :code:`rank<<embed_dim`, the impact should be relatively minor.\\n\\nLet's run this experiment. We can also increase alpha (in general it is good practice to scale alpha and rank together).\\n\\n.. code-block:: bash\\n\\n    tune run --nnodes 1 --nproc_per_node 2 lora_finetune_distributed --config llama2/7B_lora \\\\\\n    lora_attn_modules=['q_proj','k_proj','v_proj','output_proj'] \\\\\\n    lora_rank=32 lora_alpha=64 output_dir=./lora_experiment_1\\n\\nA comparison of the (smoothed) loss curves between this run and our baseline over the first 500 steps can be seen below.\\n\\n.. image:: /_static/img/lora_experiment_loss_curves.png\\n\\n.. note::\\n    The above figure was generated with W&B. You can use torchtune's :class:`~torchtune.training.metric_logging.WandBLogger`\\n    to generate similar loss curves, but you will need to install W&B and setup an account separately. For more details on\\n    using W&B in torchtune, see our \\\":ref:`wandb_logging`\\\" recipe.\\n\\n.. _lora_tutorial_memory_tradeoff_label:\\n\\nTrading off memory and model performance with LoRA\\n--------------------------------------------------\\n\\nIn the preceding example, we ran LoRA on two devices. But given LoRA's low memory footprint, we can run fine-tuning\\non a single device using most commodity GPUs which support `bfloat16 <https://\\n\", \"type\": \"text\"}, {\"text\": \"END of knowledge_search tool results.\\n\", \"type\": \"text\"}], \"role\": \"tool\", \"tool_name\": \"knowledge_search\"}}]], {\"response_format\": null, \"sampling_params\": {\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"SamplingParams\", \"data\": {\"max_tokens\": 0, \"repetition_penalty\": 1.0, \"strategy\": {\"temperature\": 0.0001, \"top_p\": 0.9, \"type\": \"top_p\"}}}, \"stream\": true, \"tool_config\": {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolConfig\", \"data\": {\"system_message_behavior\": {\"__enum__\": \"SystemMessageBehavior\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"append\"}, \"tool_choice\": {\"__enum__\": \"ToolChoice\", \"__module__\": \"llama_stack.apis.inference.inference\", \"value\": \"auto\"}, \"tool_prompt_format\": null}}, \"tool_prompt_format\": null, \"tools\": [{\"__module__\": \"llama_stack.models.llama.datatypes\", \"__pydantic__\": \"ToolDefinition\", \"data\": {\"description\": \"Search for information in a database.\", \"parameters\": {\"query\": {\"default\": null, \"description\": \"The query to search for. 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For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:a03f3\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:0719d\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:a03f3\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. 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This can be done\\n    either by adding :code:`checkpointer.checkpoint_files=[my_model_checkpoint_path] tokenizer_checkpoint=my_tokenizer_checkpoint_path`\\n    or by directly modifying the :code:`7B_lora.yaml` file. See our \\\"\\\":ref:`config_tutorial_label`\\\" recipe\\n    for more details on how you can easily clone and modify torchtune configs.\\n\\n.. note::\\n    You can modify the value of :code:`nproc_per_node` depending on (a) the number of GPUs you have available,\\n    and (b) the memory constraints of your hardware.\\n\\nThe preceding command will run a LoRA finetune with torchtune's factory settings, but we may want to experiment a bit.\\nLet's take a closer look at some of the :code:`lora_finetune_distributed` config.\\n\\n.. code-block:: yaml\\n\\n  # Model Arguments\\n  model:\\n    _component_: lora_llama2_7b\\n    lora_attn_modules: ['q_proj', 'v_proj']\\n    lora_rank: 8\\n    lora_alpha: 16\\n  ...\\n\\nWe see that the\\n\", \"type\": \"text\"}, {\"text\": \"Result 5:\\nDocument_id:0719d\\nContent: etune\\n:func:`torchtune.models.llama3.llama3_8b` with DoRA, you would use :func:`torchtune.models.llama3.lora_llama3_8b` with ``use_dora=True``:\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.use_dora=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    use_dora: True\\n\\nSince DoRA extends LoRA, the parameters for :ref:`customizing LoRA <glossary_lora>` are identical. You can also quantize the base model weights like in :ref:`glossary_qlora` by using ``quantize=True`` to reap\\neven more memory savings!\\n\\n.. code-block:: bash\\n\\n  tune run lora_finetune_single_device --config llama3/8B_lora_single_device \\\\\\n  model.apply_lora_to_mlp=True \\\\\\n  model.lora_attn_modules=[\\\"q_proj\\\",\\\"k_proj\\\",\\\"v_proj\\\"] \\\\\\n  model.lora_rank=16 \\\\\\n  model.lora_alpha=32 \\\\\\n  model.use_dora=True \\\\\\n  model.quantize_base=True\\n\\n.. code-block:: yaml\\n\\n  model:\\n    _component_: torchtune.models.lora_llama3_8b\\n    apply_lora_to_mlp: True\\n    lora_attn_modules: [\\\"q_proj\\\", \\\"k_proj\\\", \\\"v_proj\\\"]\\n    lora_rank: 16\\n    lora_alpha: 32\\n    use_dora: True\\n    quantize_base: True\\n\\n\\n.. note::\\n\\n   Under the hood, we've enabled DoRA by adding the :class:`~torchtune.modules.peft.DoRALinear` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. 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Help me answer questions I will ask next.\", \"context\": null, \"role\": \"user\"}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"CompletionMessage\", \"data\": {\"content\": \"\", \"role\": \"assistant\", \"stop_reason\": {\"__enum__\": \"StopReason\", \"__module__\": \"llama_stack.models.llama.datatypes\", \"value\": \"end_of_turn\"}, \"tool_calls\": [{\"arguments\": {\"query\": \"Torchtune documentation\"}, \"call_id\": \"<UUID>\", \"tool_name\": \"knowledge_search\"}]}}, {\"__module__\": \"llama_stack.apis.inference.inference\", \"__pydantic__\": \"ToolResponseMessage\", \"data\": {\"call_id\": \"<UUID>\", \"content\": [{\"text\": \"knowledge_search tool found 5 chunks:\\nBEGIN of knowledge_search tool results.\\n\", \"type\": \"text\"}, {\"text\": \"Result 1:\\nDocument_id:8106c\\nContent:  conversational data, :func:`~torchtune.datasets.chat_dataset` seems to be a good fit. For any\\ncustom local dataset we always need to specify ``source``, ``data_files``, and ``split`` for any dataset\\nbuilder in torchtune. For :func:`~torchtune.datasets.chat_dataset`, we additionally need to specify\\n``conversation_column`` and ``conversation_style``. Our data follows the ``\\\"sharegpt\\\"`` format, so\\nwe can specify that here. Altogether, our :func:`~torchtune.datasets.chat_dataset` call should\\nlook like so:\\n\\n.. code-block:: python\\n\\n    from torchtune.datasets import chat_dataset\\n    from torchtune.models.llama3 import llama3_tokenizer\\n\\n    tokenizer = llama3_tokenizer(\\\"/tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\\")\\n    ds = chat_dataset(\\n        tokenizer=tokenizer,\\n        source=\\\"json\\\",\\n        data_files=\\\"data/my_data.json\\\",\\n        split=\\\"train\\\",\\n        conversation_column=\\\"dialogue\\\",\\n        conversation_style=\\\"sharegpt\\\",\\n    )\\n\\n.. code-block:: yaml\\n\\n    # In config\\n    tokenizer:\\n      _component_: torchtune.models.llama3.llama3_tokenizer\\n      path: /tmp/Meta-Llama-3-8B-Instruct/original/tokenizer.model\\n\\n    dataset:\\n      _component_: torchtune.datasets.chat_dataset\\n      source: json\\n      data_files: data/my_data.json\\n      split: train\\n      conversation_column: dialogue\\n      conversation_style: sharegpt\\n\\n.. note::\\n    You can pass in any keyword argument for `load_dataset <https://huggingface.co/docs/datasets/v2.20.0/en/package_reference/loading_methods#datasets.load_dataset>`_ into all our\\n    Dataset classes and they will honor them. This is useful for common parameters\\n    such as specifying the data split with :code:`split` or configuration with\\n    :code:`name`\\n\\nIf you needed to add a prompt template, you would simply pass it into the tokenizer.\\nSince we're fine-tuning Llama3, the tokenizer will handle all formatting for\\nus and prompt templates are optional. Other models such as Mistral's :class:`~torchtune.models.mistral._tokenizer.MistralTokenizer`,\\nuse a chat template by default (:class:`~torchtune.models.mistral.MistralChatTemplate`) to format\\nall messages according to their `recommendations <https://\\n\", \"type\": \"text\"}, {\"text\": \"Result 2:\\nDocument_id:a03f3\\nContent: .. _lora_finetune_label:\\n\\n============================\\nFine-Tuning Llama2 with LoRA\\n============================\\n\\nThis guide will teach you about `LoRA <https://arxiv.org/abs/2106.09685>`_, a parameter-efficient finetuning technique,\\nand show you how you can use torchtune to finetune a Llama2 model with LoRA.\\nIf you already know what LoRA is and want to get straight to running\\nyour own LoRA finetune in torchtune, you can jump to :ref:`LoRA finetuning recipe in torchtune<lora_recipe_label>`.\\n\\n.. grid:: 2\\n\\n    .. grid-item-card:: :octicon:`mortar-board;1em;` What you will learn\\n\\n      * What LoRA is and how it saves memory during finetuning\\n      * An overview of LoRA components in torchtune\\n      * How to run a LoRA finetune using torchtune\\n      * How to experiment with different LoRA configurations\\n\\n    .. grid-item-card:: :octicon:`list-unordered;1em;` Prerequisites\\n\\n      * Be familiar with :ref:`torchtune<overview_label>`\\n      * Make sure to :ref:`install torchtune<install_label>`\\n      * Make sure you have downloaded the :ref:`Llama2-7B model weights<download_llama_label>`\\n\\nWhat is LoRA?\\n-------------\\n\\n`LoRA <https://arxiv.org/abs/2106.09685>`_ is an adapter-based method for\\nparameter-efficient finetuning that adds trainable low-rank decomposition matrices to different layers of a neural network,\\nthen freezes the network's remaining parameters. LoRA is most commonly applied to\\ntransformer models, in which case it is common to add the low-rank matrices\\nto some of the linear projections in each transformer layer's self-attention.\\n\\n.. note::\\n\\n    If you're unfamiliar, check out these references for the `definition of rank <https://en.wikipedia.org/wiki/Rank_(linear_algebra)>`_\\n    and discussion of `low-rank approximations <https://en.wikipedia.org/wiki/Low-rank_approximation>`_.\\n\\nBy finetuning with LoRA (as opposed to finetuning all model parameters),\\nyou can expect to see memory savings due to a substantial reduction in the\\nnumber of parameters with gradients. When using an optimizer with momentum,\\nlike `AdamW <https://py\\n\", \"type\": \"text\"}, {\"text\": \"Result 3:\\nDocument_id:0719d\\nContent: ` module, which we swap\\n   out for :class:`~torchtune.modules.peft.LoRALinear` when ``use_dora=True``.\\n\\n.. _glossary_distrib:\\n\\n\\n.. TODO\\n\\n.. Distributed\\n.. -----------\\n\\n.. .. _glossary_fsdp:\\n\\n.. Fully Sharded Data Parallel (FSDP)\\n.. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n\\n.. All our ``_distributed`` recipes use `FSDP <https://pytorch.org/docs/stable/fsdp.html>`.\\n.. .. _glossary_fsdp2:\\n\\n\", \"type\": \"text\"}, {\"text\": \"Result 4:\\nDocument_id:a03f3\\nContent: 06% of all params are trainable.\\n\\n.. note::\\n    If you are directly using the LoRA recipe (as detailed :ref:`here<lora_recipe_label>`), you need only pass the\\n    relevant checkpoint path. 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