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git_commit commit d5778a7ff55688de0d6c87204fdd8d32ac1bdc99
Author: Hristo Hristov <hghristov.rmm@gmail.com>
Date: Thu Nov 27 00:04:27 2025 +0200

[libc++] Applied `[[nodiscard]]` to concurrency (partially) (#169463)

`[[nodiscard]]` should be applied to functions where discarding the
return value is most likely a correctness issue.

- https://libcxx.llvm.org/CodingGuidelines.html#apply-nodiscard-where-relevant

The following utilities have been annotated in this patch:

- [x] `<barrier>`
- [x] `<condition_variable>`
- [x] `<latch>`
- [x] `<mutex>`
- [x] `<semaphore>`
- [x] `<thread>`

N.B. Some classes don't provide all specified methods, which were not
annotated.
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 560799 2025-12-16T16:40:01 0:00:00
Previous 560787 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 1 0
Performance Improvements 3 0
Added Tests 0 16
Unchanged Tests 76 64
Total Tests 80

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
707_ntest_r 1.11% 16.463 16.646 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
727_cppcheck_r -2.20% 25.100 24.549 - 0.00% -
710_omnetpp_r -1.65% 8.588 8.446 - 0.00% -
731_astcenc_r -1.34% 10.167 10.031 - 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: 0.06s
Name Current %
706_stockfish_r 21.580 -
707_ntest_r 16.646 1.11%
709_cactus_r 19.739 -
710_omnetpp_r 8.446 -1.65%
721_gcc_r 12.923 -
723_llvm_r 11.503 -
727_cppcheck_r 24.549 -2.20%
729_abc_r 18.808 -
731_astcenc_r 10.031 -1.34%
735_gem5_r 13.342 -
736_ocio_r 16.170 -
737_gmsh_r 12.865 -
748_flightdm_r 8.895 -
750_sealcrypto_r 18.409 -
753_ns3_r 10.155 -
766_femflow_r 12.814 -
Geometric Mean 14.099 -