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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 522858 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 2 0
Added Tests 0 18
Unchanged Tests 85 72
Total Tests 90

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
753_ns3_r 3.12% 10.244 10.563 - 0.00% -
734_vpr_r 2.80% 15.244 15.671 - 0.00% -
727_cppcheck_r 2.32% 24.218 24.781 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
710_omnetpp_r -1.81% 8.560 8.405 - 0.00% -
748_flightdm_r -1.15% 8.960 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: 0.10s
Name Current %
706_stockfish_r 22.035 -
707_ntest_r 18.096 -
709_cactus_r 19.708 -
710_omnetpp_r 8.405 -1.81%
721_gcc_r 12.842 -
723_llvm_r 11.571 -
727_cppcheck_r 24.781 2.32%
729_abc_r 18.644 -
731_astcenc_r 10.061 -
734_vpr_r 15.671 2.80%
735_gem5_r 13.512 -
736_ocio_r 16.135 -
737_gmsh_r 12.993 -
748_flightdm_r 8.856 -1.15%
750_sealcrypto_r 18.355 -
753_ns3_r 10.563 3.12%
766_femflow_r 12.751 -
767_nest_r 14.030 -
Geometric Mean 14.296 -