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git_commit commit 804b46bb45d2c52c873f7b06c8f12cde6d6c0814
Author: Hristo Hristov <hghristov.rmm@gmail.com>
Date: Thu Sep 25 03:08:15 2025 +0300

[libc++][string] P3044R2: sub-`string_view` from `string` (#147095)

Implements [P3044R2](https://wg21.link/P3044R2)

Note: `substr.pass.cpp` is refactored to accommodate the test of
`basic_string_view`'s `subview` which is an alias of `substr` without
changing the test cases.

Closes #148140

# References

- https://github.com/cplusplus/draft/pull/7975
- https://wg21.link/string.substr
- https://wg21.link/string.view.ops

---------

Co-authored-by: Hristo Hristov <zingam@outlook.com>
Co-authored-by: Nikolas Klauser <nikolasklauser@berlin.de>
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 553820 2025-12-16T16:40:01 0:00:00
Previous 553742 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 6 0
Performance Improvements 1 0
Added Tests 1 16
Unchanged Tests 72 64
Total Tests 80

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
727_cppcheck_r 3.28% 24.695 25.505 - 0.00% -
737_gmsh_r 2.09% 12.741 13.007 - 0.00% -
707_ntest_r 1.86% 17.968 18.302 - 0.00% -
710_omnetpp_r 1.69% 8.764 8.912 - 0.00% -
731_astcenc_r 1.38% 10.024 10.162 - 0.00% -
706_stockfish_r 1.18% 22.007 22.266 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
729_abc_r -1.49% 19.115 18.830 - 0.00% -

Added Tests - execution_time
735_gem5_r

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 22.266 1.18%
707_ntest_r 18.302 1.86%
709_cactus_r 19.818 -
710_omnetpp_r 8.912 1.69%
721_gcc_r 13.062 -
723_llvm_r 11.583 -
727_cppcheck_r 25.505 3.28%
729_abc_r 18.830 -1.49%
731_astcenc_r 10.162 1.38%
735_gem5_r 13.944 -
736_ocio_r 16.368 -
737_gmsh_r 13.007 2.09%
748_flightdm_r 8.829 -
750_sealcrypto_r 18.528 -
753_ns3_r 10.427 -
766_femflow_r 12.946 -
Geometric Mean 14.417 -