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[export] Add exportable attention and kv cache #2049

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@larryliu0820 larryliu0820 commented Nov 21, 2024

Summary: As titled.

Test Plan: Rely on new unit tests

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Context

What is the purpose of this PR? Is it to

  • add a new feature
  • fix a bug
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Changelog

What are the changes made in this PR?

  • Adding attention.py in torchtune/modules/_export/
  • Adding kv_cache.py in torchtune/modules/_export/
  • Adding test_attention.py in tests/torchtune/modules/_export/

Test plan

Please make sure to do each of the following if applicable to your PR. If you're unsure about any one of these just ask and we will happily help. We also have a contributing page for some guidance on contributing.

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  • I did not change any public API
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Summary: As titled.

Test Plan: Rely on new unit tests

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pytorch-bot bot commented Nov 21, 2024

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/torchtune/2049

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@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Nov 21, 2024
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Comment on lines 37 to 39
NIGHTLY_VERSION=dev20241121
python -m pip install torch=="2.6.0.${NIGHTLY_VERSION}" torchvision=="0.20.0.${NIGHTLY_VERSION}" --extra-index-url https://download.pytorch.org/whl/nightly/cpu
python -m pip install torchao
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I don't think we want to change the default behavior of our unit test workflow here. Can we figure out a way to decouple the export CI a little more?

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Can you say a bit more? Are you ok with a separate CI job running these tests with torch nightly installed?

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Added Export CI workflow.

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