[CI] Add bazel TPU presubmit testing #29660
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| halt-dispatch-input: ${{ inputs.halt-for-connection }} | ||
| - name: Install nightly libtpu | ||
| run: | | ||
| $JAXCI_PYTHON -m uv pip install --pre libtpu -f https://storage.googleapis.com/jax-releases/libtpu_releases.html |
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I think it doesn't affect hermetic Python, e.g. in this case bazel cache will have the LibTPU version defined in the lock file.
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IIRC i was getting no libtpu found without it, I'll double check in the morning. I am unsure though if we would want a locked libtpu when it comes to presubmit. Much like XLA this might need the latest nightly or have drift in results. (Both nightly and continuous reference the libtpu nightly)
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I'm testing if downloading the LibTPU wheel into the dist folder (the same one where we have Jax wheels) works.
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I haven't installed any wheels at all, the tests passed - https://github.com/jax-ml/jax/actions/runs/16511467263/job/46694360132?pr=30492
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Add a new TPU bazel presubmit using 3.13 free threading to increase coverage of our TPU presubmits. This will be introduced as non blocking and be made blocking once reliability is confirmed.
Additionally refactor use of resultstore and rbe cache in jobs that do not use RBE for testing or building. This should allow for use of resultstore and a cache that can allow for testing cache hits.