Use treeless checkout to speedup some workflows #167737
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/167737
Note: Links to docs will display an error until the docs builds have been completed. ✅ No FailuresAs of commit c547758 with merge base 232f25e ( This comment was automatically generated by Dr. CI and updates every 15 minutes. |
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This is a fork of the [`actions/checkout` action](https://github.com/actions/checkout). The main addition is the ability to apply filters to submodule handling and the ability to do single branch checkouts also for non-shallow checkouts. For this, it adds the `single-branch` and `submodules-filter` option as described in the Usage section of the updated README.md. The purpose is to use these extensions to cut down on checkout time in the multitude of ci jobs that need to check out the pytorch repository as discussed in pytorch/pytorch#169184. The updated README.md file also includes instructions for future updates to newer versions of the upstream action. Some timings are taken from pytorch/pytorch#167737: |Workflow|Time on `viable/strict`|Time here|Time Saving| |-|-|-|-| |Lint/lintrunner-noclang| 2m42s | 55s | 1m47s | | linux-jammy-py3.14-clang12/build (via _linux-build)| 2m30s | 1m29s| 61s| | linux-jammy-cuda12.8-cudnn9-py3.10-clang12 / build (via _linux-build) | 2m31s | 1m33s| 59s| In other words, we can save ~1m per checkout where shallow checkouts are not feasible, which includes build and test jobs on trunk and pull. With a total of 276 jobs on trunk at the moment and ~90 jobs on a pull request, assuming ~70 PRs per day, the cumulative savings with savings of 1 minute per checkout could be between 75 and 150 hours. --------- Co-authored-by: actions/checkout contributors <[email protected]>
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This PR is a test/demonstration of the treeless checkout technique described in #169184 and implemented in pytorch/test-infra#7597.
It applies it to selected workflows and shows the reduction in time needed for the checkout step:
viable/strict