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git_commit commit 5f9164978b218fa65c53a59e91ea01831735f7a4
Author: higher-performance <higher.performance.github@gmail.com>
Date: Thu Apr 24 20:30:28 2025 +0200

Optimize std::__tree::__assign_multi to insert the provided range at the end of the tree every time (#131030)

This improves performance for the copy-assignment operators of associative containers such as `std::map`.

This optimization already exists in other places in the codebase, and seems to have been missed here.
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ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 535211 2025-12-16T16:40:01 0:00:00
Previous 535142 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)
709_cactus_r 1.62% 19.700 20.020 - 0.00% -
729_abc_r 1.23% 18.670 18.899 - 0.00% -
753_ns3_r 1.09% 10.603 10.718 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
710_omnetpp_r -3.25% 8.936 8.646 - 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: 0.18s
Name Current %
706_stockfish_r 22.096 -
707_ntest_r 18.293 -
709_cactus_r 20.020 1.62%
710_omnetpp_r 8.646 -3.25%
721_gcc_r 12.888 -
723_llvm_r 11.366 -
727_cppcheck_r 25.140 -
729_abc_r 18.899 1.23%
731_astcenc_r 9.996 -
734_vpr_r 15.317 -
735_gem5_r 13.927 -
736_ocio_r 16.152 -
737_gmsh_r 13.001 -
748_flightdm_r 8.895 -
750_sealcrypto_r 18.324 -
753_ns3_r 10.718 1.09%
766_femflow_r 12.764 -
767_nest_r 14.224 -
Geometric Mean 14.380 -