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fix: experttensorparallel dynamo tracing crash - #4973
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October 5, 2026 17:46
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/ao/4973
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fixes #3926
experttensorparallel was crashing during torch compile because devicemesh['tp'] tries to access a c++ bound attribute in _token_dispatch and _token_combine. fixed by eagerly slicing and caching the meshes in _apply.