Fields
| hardware | None |
| os | None |
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| git_commit |
commit d282452e4ca5e402cad9a734a21889030e086cea Author: Timothy Choi <101849050+tinnamchoi@users.noreply.github.com> Date: Wed Aug 20 22:58:21 2025 +0800 [libc++] Avoid string reallocation in `std::filesystem::path::lexically_relative` (#152964) Improves runtime by around 20 to 40%. (1.3x to 1.7x) ``` Benchmark Time CPU Time Old Time New CPU Old CPU New ------------------------------------------------------------------------------------------------------------------------------------------------ BM_LexicallyRelative/small_path/2 -0.2111 -0.2082 229 181 228 180 BM_LexicallyRelative/small_path/4 -0.2579 -0.2550 455 338 452 337 BM_LexicallyRelative/small_path/8 -0.2643 -0.2616 844 621 838 619 BM_LexicallyRelative/small_path/16 -0.2582 -0.2556 1562 1158 1551 1155 BM_LexicallyRelative/small_path/32 -0.2518 -0.2496 3023 2262 3004 2254 BM_LexicallyRelative/small_path/64 -0.2806 -0.2775 6344 4564 6295 4549 BM_LexicallyRelative/small_path/128 -0.2165 -0.2137 11762 9216 11683 9186 BM_LexicallyRelative/small_path/256 -0.2672 -0.2645 24499 17953 24324 17891 BM_LexicallyRelative/large_path/2 -0.3268 -0.3236 426 287 422 285 BM_LexicallyRelative/large_path/4 -0.3274 -0.3248 734 494 729 492 BM_LexicallyRelative/large_path/8 -0.3586 -0.3560 1409 904 1399 901 BM_LexicallyRelative/large_path/16 -0.3978 -0.3951 2764 1665 2743 1659 BM_LexicallyRelative/large_path/32 -0.3934 -0.3908 5323 3229 5283 3218 BM_LexicallyRelative/large_path/64 -0.3629 -0.3605 10340 6587 10265 6564 BM_LexicallyRelative/large_path/128 -0.3450 -0.3423 19379 12694 19233 12649 BM_LexicallyRelative/large_path/256 -0.3097 -0.3054 36293 25052 35943 24965 ``` --------- Co-authored-by: Nikolas Klauser <nikolasklauser@berlin.de> |
Filter
ldionne-old-macbook-results test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 549306 | 2025-12-16T16:40:01 | 0:00:00 |
| Previous | 549246 | 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 | 4 | 0 |
| Added Tests | 0 | 16 |
| Unchanged Tests | 76 | 64 |
| Total Tests | 80 |
| Performance Regressions - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 734_vpr_r | 2.36% | 15.165 | 15.523 | - | 0.00% | - |
| 753_ns3_r | 1.42% | 10.554 | 10.704 | - | 0.00% | - |
| 706_stockfish_r | 1.30% | 22.250 | 22.539 | - | 0.00% | - |
| 731_astcenc_r | 1.06% | 10.048 | 10.154 | - | 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 |
| 736_ocio_r |
| 737_gmsh_r |
| 748_flightdm_r |
| 750_sealcrypto_r |
| 753_ns3_r |
| 766_femflow_r |
Report Time: 0.06s