Bump torchao to 03ca489dc and nightly wheel to dev20260729 - #21476
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Bump torchao to 03ca489dc and nightly wheel to dev20260729#21476rascani wants to merge 3 commits into
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Advances both torchao pins to the same upstream source. The pip nightly wheel moves from 0.18.0.dev20260715 to 0.18.0.dev20260729, and the third-party/ao submodule moves from 4aa810113 (v0.17.0-178) to 03ca489dc (v0.17.0-224), which is the exact torchao main commit the dev20260729 nightly wheel was built from. Previously the two pins were roughly six weeks apart; keeping them on the same commit avoids source-versus-wheel skew between the built-from-source kernels and the installed package. This change was authored with Claude Code.
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/21476
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…V-cache The torchao bump pulls in pytorch/ao#4466, which preserves mutable buffer inputs during pt2e prepare. The static KV cache is now a genuine fp32 mutable buffer feeding index_put instead of a folded quantized constant. An INT-only TOSA delegate boundary must be quantized, so the Arm backend cannot delegate index_put on the fp32 buffer; the node is dropped from the partition and the cache read-modify-write forms a dependency cycle. This is the same underlying gap as the already-xfailed static-cache tests (MLETORCH-1971), and a proper Arm-side fix is being investigated separately. Mark the test xfail so the torchao pin bump can land. This change was authored with Claude Code.
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Summary
Advances both torchao pins to the same upstream source. The pip nightly wheel moves from 0.18.0.dev20260715 to 0.18.0.dev20260729, and the third-party/ao submodule moves from 4aa810113 (v0.17.0-178) to 03ca489dc (v0.17.0-224), which is the exact torchao main commit the dev20260729 nightly wheel was built from. Previously the two pins were roughly six weeks apart; keeping them on the same commit avoids source-versus-wheel skew between the built-from-source kernels and the installed package.
This change was authored with Claude Code.
cc @digantdesai @freddan80 @per @zingo @oscarandersson8218 @mansnils @Sebastian-Larsson @robell