[AUTOGENERATED] [rocm7.1_internal_testing] [ROCm] No-fence global reduce #2586
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This change removes need for fences in global_reduce by converting the stores to reduce_buffer[] into atomics+return. This is crucial for perf in architectures with split caches (e.g. MI300), where fences are inherently costly. cherry-pick of pytorch#161180
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Jenkins build for f26d454ef821afe238e7745df648afe65f8b61e5 commit finished as FAILURE |
jerrymannil
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Aug 27, 2025
jerrymannil
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Cherry-pick of #2584