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git_commit commit 0e34f3f4968d8d32a64e26777541f939deb2274c
Author: Louis Dionne <ldionne.2@gmail.com>
Date: Mon Dec 9 09:14:17 2024 -0500

[libc++] Extract a clean base support API for std::atomic (#118129)

This patch documents the underlying API for implementing atomics on a
platform.

This doesn't change the operations that std::atomic is based on, but it
reorganizes the C11 / GCC implementation split to make it clearer what's
the base support layer and what's not.
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 520778 2025-12-16T16:40:01 0:00:00
Previous 521092 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 3 0
Performance Improvements 1 0
Added Tests 0 18
Unchanged Tests 86 72
Total Tests 90

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
734_vpr_r 2.04% 15.486 15.801 - 0.00% -
727_cppcheck_r 1.66% 24.651 25.060 - 0.00% -
710_omnetpp_r 1.25% 8.422 8.527 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
735_gem5_r -1.54% 13.725 13.514 - 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
734_vpr_r
735_gem5_r
736_ocio_r
737_gmsh_r
748_flightdm_r
750_sealcrypto_r
753_ns3_r
766_femflow_r
767_nest_r


Report Time: 0.09s
Name Current %
706_stockfish_r 22.071 -
707_ntest_r 17.905 -
709_cactus_r 19.732 -
710_omnetpp_r 8.527 1.25%
721_gcc_r 12.944 -
723_llvm_r 11.430 -
727_cppcheck_r 25.060 1.66%
729_abc_r 18.668 -
731_astcenc_r 10.075 -
734_vpr_r 15.801 2.04%
735_gem5_r 13.514 -1.54%
736_ocio_r 16.188 -
737_gmsh_r 13.056 -
748_flightdm_r 8.891 -
750_sealcrypto_r 18.364 -
753_ns3_r 10.324 -
766_femflow_r 12.770 -
767_nest_r 14.141 -
Geometric Mean 14.315 -