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git_commit commit 9b114c5d9aa5e5ccf1aa89d9933c6ffaa1214386
Author: Nikolas Klauser <nikolasklauser@berlin.de>
Date: Fri Nov 7 11:31:31 2025 +0100

[libc++] Optimize fstream::read (#165223)

```
Benchmark old new Difference % Difference
----------- -------- -------- ------------ --------------
bm_read 2468.45 736.27 -1732.18 -70.17%
```
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 558591 2025-12-16T16:40:01 0:00:00
Previous 558572 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 4 0
Added Tests 0 16
Unchanged Tests 76 64
Total Tests 80

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
737_gmsh_r -2.01% 13.111 12.847 - 0.00% -
727_cppcheck_r -1.91% 25.215 24.734 - 0.00% -
753_ns3_r -1.12% 10.195 10.081 - 0.00% -
721_gcc_r -1.08% 13.081 12.940 - 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
735_gem5_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 21.554 -
707_ntest_r 16.640 -
709_cactus_r 19.717 -
710_omnetpp_r 8.614 -
721_gcc_r 12.940 -1.08%
723_llvm_r 11.476 -
727_cppcheck_r 24.734 -1.91%
729_abc_r 18.593 -
731_astcenc_r 10.049 -
735_gem5_r 13.351 -
736_ocio_r 16.222 -
737_gmsh_r 12.847 -2.01%
748_flightdm_r 8.923 -
750_sealcrypto_r 18.377 -
753_ns3_r 10.081 -1.12%
766_femflow_r 12.801 -
Geometric Mean 14.107 -