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git_commit commit cb1c15639f012838ba1ef202aa9c55551e9019ff
Author: Jannik Glückert <jannik.glueckert@gmail.com>
Date: Mon Jan 6 21:38:30 2025 +0100

[libc++] Use copy_file_range for fs::copy (#109211)

This optimizes `std::filesystem::copy_file` to use the `copy_file_range`
syscall (Linux and FreeBSD) when available. It allows for reflinks on
filesystems such as btrfs, zfs and xfs, and server-side copy for network
filesystems such as NFS.
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 522923 2025-12-16T16:40:01 0:00:00
Previous 522758 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 4 0
Performance Improvements 4 0
Added Tests 0 18
Unchanged Tests 82 72
Total Tests 90

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
727_cppcheck_r 2.36% 24.209 24.781 - 0.00% -
734_vpr_r 2.14% 15.342 15.671 - 0.00% -
753_ns3_r 2.06% 10.350 10.563 - 0.00% -
707_ntest_r 1.75% 17.785 18.096 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
723_llvm_r -1.82% 11.785 11.571 - 0.00% -
735_gem5_r -1.41% 13.706 13.512 - 0.00% -
767_nest_r -1.31% 14.217 14.030 - 0.00% -
748_flightdm_r -1.13% 8.958 8.856 - 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: 0.33s
Name Current %
706_stockfish_r 22.035 -
707_ntest_r 18.096 1.75%
709_cactus_r 19.708 -
710_omnetpp_r 8.405 -
721_gcc_r 12.842 -
723_llvm_r 11.571 -1.82%
727_cppcheck_r 24.781 2.36%
729_abc_r 18.644 -
731_astcenc_r 10.061 -
734_vpr_r 15.671 2.14%
735_gem5_r 13.512 -1.41%
736_ocio_r 16.135 -
737_gmsh_r 12.993 -
748_flightdm_r 8.856 -1.13%
750_sealcrypto_r 18.355 -
753_ns3_r 10.563 2.06%
766_femflow_r 12.751 -
767_nest_r 14.030 -1.31%
Geometric Mean 14.296 -