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git_commit commit c1720822b634a7d13863ef631120f9d653cc9cf7
Author: Damien L-G <dalg24@gmail.com>
Date: Tue Sep 23 10:33:33 2025 -0500

[libc++][atomic_ref] Use __atomic_fetch_{add,sub} builtins on floating-points whenever possible (#135685)

Fix #135109

Clang is able to emit an `atomicrmw` instruction from the
`__atomic_fetch_add` and `__atomic_fetch_sub` builtins on floating-point
types.
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 553593 2025-12-16T16:40:01 0:00:00
Previous 552902 2025-12-16T16:40:01 0:00:00
Baseline 485288 2025-12-16T16:40:01 0:00:00


Tests Summary

Status Group # # (B)
Performance Regressions 10 0
Added Tests 0 15
Unchanged Tests 65 60
Total Tests 75

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
710_omnetpp_r 7.45% 8.297 8.915 - 0.00% -
706_stockfish_r 3.57% 21.418 22.184 - 0.00% -
729_abc_r 3.07% 18.404 18.970 - 0.00% -
707_ntest_r 2.39% 17.877 18.305 - 0.00% -
766_femflow_r 1.79% 12.784 13.013 - 0.00% -
709_cactus_r 1.77% 19.458 19.801 - 0.00% -
737_gmsh_r 1.27% 12.781 12.943 - 0.00% -
727_cppcheck_r 1.25% 24.343 24.648 - 0.00% -
736_ocio_r 1.23% 16.224 16.424 - 0.00% -
748_flightdm_r 1.07% 8.841 8.935 - 0.00% -

Added Tests - execution_time
706_stockfish_r
707_ntest_r
709_cactus_r
710_omnetpp_r
721_gcc_r
723_llvm_r
727_cppcheck_r
729_abc_r
731_astcenc_r
736_ocio_r
737_gmsh_r
748_flightdm_r
750_sealcrypto_r
753_ns3_r
766_femflow_r


Report Time: 0.49s
Name Current %
706_stockfish_r 22.184 3.57%
707_ntest_r 18.305 2.39%
709_cactus_r 19.801 1.77%
710_omnetpp_r 8.915 7.45%
721_gcc_r 13.055 -
723_llvm_r 11.532 -
727_cppcheck_r 24.648 1.25%
729_abc_r 18.970 3.07%
731_astcenc_r 10.136 -
736_ocio_r 16.424 1.23%
737_gmsh_r 12.943 1.27%
748_flightdm_r 8.935 1.07%
750_sealcrypto_r 18.479 -
753_ns3_r 10.408 -
766_femflow_r 13.013 1.79%
Geometric Mean 14.423 1.67%