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git_commit commit 4c8fab399b2ebf37f6a560bc2d5c6b4f0045a19f
Author: Nikolas Klauser <nikolasklauser@berlin.de>
Date: Thu Jun 26 19:43:59 2025 +0200

[libc++] Avoid type-punning between __hash_value_type and pair (#143501)

This patch is very similar to #134819 in nature. Before this patch, we
were dereferencing pointers to objects which were never constructed. Now
we always assume that nodes store `pair<const KeyT, ValueT>` for
unordered_maps instead, as they actually do.
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 542475 2025-12-16T16:40:01 0:00:00
Previous 542394 2025-12-16T16:40:01 0:00:00
Baseline 485288 2025-12-16T16:40:01 0:00:00


Tests Summary

Status Group # # (B)
Performance Improvements 6 0
Added Tests 0 16
Unchanged Tests 79 69
Total Tests 85

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
734_vpr_r -4.21% 15.794 15.129 0.089 0.00% 0.089
737_gmsh_r -3.38% 13.278 12.829 0.138 0.00% 0.138
729_abc_r -2.57% 18.961 18.473 0.173 0.00% 0.173
753_ns3_r -1.19% 10.777 10.649 0.045 0.00% 0.045
750_sealcrypto_r -1.19% 18.707 18.485 0.012 0.00% 0.012
766_femflow_r -1.14% 12.946 12.799 0.009 0.00% 0.009

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
736_ocio_r
737_gmsh_r
748_flightdm_r
750_sealcrypto_r
753_ns3_r
766_femflow_r


Report Time: 0.09s
Name Current %
706_stockfish_r 22.103 -
707_ntest_r 17.882 -
709_cactus_r 19.729 -
710_omnetpp_r 8.342 -
721_gcc_r 12.959 -
723_llvm_r 11.503 -
727_cppcheck_r 24.715 -
729_abc_r 18.473 -2.57%
731_astcenc_r 10.035 -
734_vpr_r 15.129 -4.21%
736_ocio_r 16.261 -
737_gmsh_r 12.829 -3.38%
748_flightdm_r 8.843 -
750_sealcrypto_r 18.485 -1.19%
753_ns3_r 10.649 -1.19%
766_femflow_r 12.799 -1.14%
Geometric Mean 14.319 -1.23%