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This "clang::optnone" attribute was added by commit c303e58, which may be a work-around to solve compiler issue at that time. Now we don't need it anymore.

@gaopengff gaopengff requested a review from CuiYifeng November 13, 2025 02:33
@CuiYifeng CuiYifeng requested a review from Copilot November 13, 2025 02:43
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Pull Request Overview

This PR removes the [[clang::optnone]] attribute from the IgammaFunctor::operator() method, which was previously added as a workaround for a compiler issue that is no longer present.

Key Changes:

  • Removal of the [[clang::optnone]] optimization suppression attribute from the IgammaFunctor's function call operator

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Performance outliers, please check!

  • 🔴 [-1, 80%), should be regression
Category Model Target vs. Baseline [Eager] Target vs. Baseline [Inductor]
torchbench_bfloat16_training squeezenet1_1 0.960367 0.776346
timm_models_bfloat16_training beit_base_patch16_224 1.009901 0.789273
  • 🟡 [80%, 90%), may be fluctuations
Category Model Target vs. Baseline [Eager] Target vs. Baseline [Inductor]
torchbench_bfloat16_training resnet50 1.013328 0.887045

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LGTM.

@CuiYifeng CuiYifeng requested a review from Copilot November 17, 2025 03:01
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Pull Request Overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.


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3 participants