feat(distro): fork off a starter-gpu distribution (#3240)

The starter distribution added post-training which added torch
dependencies which pulls in all the nvidia CUDA libraries. This made our
starter container very big. We have worked hard to keep the starter
container small so it serves its purpose as a starter. This PR tries to
get it back to its size by forking off duplicate "-gpu" providers for
post-training. These forked providers are then used for a new
`starter-gpu` distribution which can pull in all dependencies.
This commit is contained in:
Ashwin Bharambe 2025-08-22 15:47:15 -07:00 committed by GitHub
parent 3b9278f254
commit 7519b73fcc
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15 changed files with 522 additions and 31 deletions

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@ -5,34 +5,74 @@
# the root directory of this source tree.
from typing import cast
from llama_stack.providers.datatypes import AdapterSpec, Api, InlineProviderSpec, ProviderSpec, remote_provider_spec
# We provide two versions of these providers so that distributions can package the appropriate version of torch.
# The CPU version is used for distributions that don't have GPU support -- they result in smaller container images.
torchtune_def = dict(
api=Api.post_training,
pip_packages=["torchtune==0.5.0", "torchao==0.8.0", "numpy"],
module="llama_stack.providers.inline.post_training.torchtune",
config_class="llama_stack.providers.inline.post_training.torchtune.TorchtunePostTrainingConfig",
api_dependencies=[
Api.datasetio,
Api.datasets,
],
description="TorchTune-based post-training provider for fine-tuning and optimizing models using Meta's TorchTune framework.",
)
huggingface_def = dict(
api=Api.post_training,
pip_packages=["trl", "transformers", "peft", "datasets"],
module="llama_stack.providers.inline.post_training.huggingface",
config_class="llama_stack.providers.inline.post_training.huggingface.HuggingFacePostTrainingConfig",
api_dependencies=[
Api.datasetio,
Api.datasets,
],
description="HuggingFace-based post-training provider for fine-tuning models using the HuggingFace ecosystem.",
)
def available_providers() -> list[ProviderSpec]:
return [
InlineProviderSpec(
api=Api.post_training,
provider_type="inline::torchtune",
pip_packages=["torch", "torchtune==0.5.0", "torchao==0.8.0", "numpy"],
module="llama_stack.providers.inline.post_training.torchtune",
config_class="llama_stack.providers.inline.post_training.torchtune.TorchtunePostTrainingConfig",
api_dependencies=[
Api.datasetio,
Api.datasets,
],
description="TorchTune-based post-training provider for fine-tuning and optimizing models using Meta's TorchTune framework.",
**{
**torchtune_def,
"provider_type": "inline::torchtune-cpu",
"pip_packages": (
cast(list[str], torchtune_def["pip_packages"])
+ ["torch torchtune==0.5.0 torchao==0.8.0 --index-url https://download.pytorch.org/whl/cpu"]
),
},
),
InlineProviderSpec(
api=Api.post_training,
provider_type="inline::huggingface",
pip_packages=["torch", "trl", "transformers", "peft", "datasets"],
module="llama_stack.providers.inline.post_training.huggingface",
config_class="llama_stack.providers.inline.post_training.huggingface.HuggingFacePostTrainingConfig",
api_dependencies=[
Api.datasetio,
Api.datasets,
],
description="HuggingFace-based post-training provider for fine-tuning models using the HuggingFace ecosystem.",
**{
**huggingface_def,
"provider_type": "inline::huggingface-cpu",
"pip_packages": (
cast(list[str], huggingface_def["pip_packages"])
+ ["torch --index-url https://download.pytorch.org/whl/cpu"]
),
},
),
InlineProviderSpec(
**{
**torchtune_def,
"provider_type": "inline::torchtune-gpu",
"pip_packages": (
cast(list[str], torchtune_def["pip_packages"]) + ["torch torchtune==0.5.0 torchao==0.8.0"]
),
},
),
InlineProviderSpec(
**{
**huggingface_def,
"provider_type": "inline::huggingface-gpu",
"pip_packages": (cast(list[str], huggingface_def["pip_packages"]) + ["torch"]),
},
),
remote_provider_spec(
api=Api.post_training,