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| hardware | None |
| os | None |
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| git_commit |
commit 1cac2be874c5f1b1b70bdaea8891f5e5b76a84e2 Author: Nikolas Klauser <nikolasklauser@berlin.de> Date: Tue Aug 5 09:49:40 2025 +0200 [libc++] Optimize copy construction and assignment of __tree (#151304) ``` ---------------------------------------------------------------------------------------------------------- Benchmark old new ---------------------------------------------------------------------------------------------------------- std::map<int, int>::ctor(const&)/0 15.5 ns 14.9 ns std::map<int, int>::ctor(const&)/32 474 ns 321 ns std::map<int, int>::ctor(const&)/1024 24591 ns 11101 ns std::map<int, int>::ctor(const&)/8192 236153 ns 98868 ns std::map<std::string, int>::ctor(const&)/0 15.2 ns 14.9 ns std::map<std::string, int>::ctor(const&)/32 2673 ns 2340 ns std::map<std::string, int>::ctor(const&)/1024 115354 ns 86088 ns std::map<std::string, int>::ctor(const&)/8192 1298510 ns 626876 ns std::map<int, int>::operator=(const&) (into cleared Container)/0 16.5 ns 16.1 ns std::map<int, int>::operator=(const&) (into cleared Container)/32 548 ns 323 ns std::map<int, int>::operator=(const&) (into cleared Container)/1024 28418 ns 11026 ns std::map<int, int>::operator=(const&) (into cleared Container)/8192 281827 ns 97113 ns std::map<int, int>::operator=(const&) (into populated Container)/0 2.42 ns 1.85 ns std::map<int, int>::operator=(const&) (into populated Container)/32 369 ns 73.0 ns std::map<int, int>::operator=(const&) (into populated Container)/1024 24078 ns 2322 ns std::map<int, int>::operator=(const&) (into populated Container)/8192 266537 ns 22963 ns std::map<std::string, int>::operator=(const&) (into cleared Container)/0 16.6 ns 16.2 ns std::map<std::string, int>::operator=(const&) (into cleared Container)/32 2614 ns 1622 ns std::map<std::string, int>::operator=(const&) (into cleared Container)/1024 116826 ns 63281 ns std::map<std::string, int>::operator=(const&) (into cleared Container)/8192 1316655 ns 649177 ns std::map<std::string, int>::operator=(const&) (into populated Container)/0 2.42 ns 1.89 ns std::map<std::string, int>::operator=(const&) (into populated Container)/32 1264 ns 581 ns std::map<std::string, int>::operator=(const&) (into populated Container)/1024 238826 ns 39943 ns std::map<std::string, int>::operator=(const&) (into populated Container)/8192 2412327 ns 379456 ns ``` Fixes #77658 Fixes #62571 |
Filter
ldionne-old-macbook-results test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 547428 | 2025-12-16T16:40:01 | 0:00:00 |
| Previous | 547445 | 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 |
| Added Tests | 0 | 16 |
| Unchanged Tests | 79 | 64 |
| Total Tests | 80 |
| Performance Regressions - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 710_omnetpp_r | 2.01% | 8.357 | 8.525 | - | 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: 0.08s