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| git_commit |
commit 9e3982d9ae8173171cd7247ee505e9c02079c6bf Author: Peng Liu <winner245@hotmail.com> Date: Fri Apr 18 20:57:05 2025 -0400 [libc++] Replace __libcpp_{ctz, clz} with __builtin_{ctzg, clzg} (#133920) `__libcpp_{ctz, clz}` were previously used as fallbacks for `__builtin_{ctzg, clzg}` to ensure compatibility with older compilers (Clang 18 and earlier), as `__builtin_{ctzg, clzg}` became available in Clang 19. Now that support for Clang 18 has been officially dropped in #130142, we can now safely replace all instances of `__libcpp_{ctz, clz}` with `__count{l,r}_zero` (which internally call `__builtin_{ctzg, clzg}` and eliminate the fallback logic. Closes #131179. |
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ldionne-old-macbook-results test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 534668 | 2025-12-16T16:40:01 | 0:00:00 |
| Previous | 534263 | 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 |
| Performance Improvements | 2 | 0 |
| Added Tests | 0 | 17 |
| Unchanged Tests | 84 | 73 |
| Total Tests | 90 |
| Performance Regressions - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 748_flightdm_r | 1.57% | 8.862 | 9.001 | - | 0.00% | - |
| 767_nest_r | 1.37% | 14.142 | 14.337 | - | 0.00% | - |
| 753_ns3_r | 1.25% | 10.582 | 10.714 | - | 0.00% | - |
| 729_abc_r | 1.01% | 18.647 | 18.835 | - | 0.00% | - |
| Performance Improvements - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 734_vpr_r | -1.57% | 15.661 | 15.416 | - | 0.00% | - |
| 727_cppcheck_r | -1.21% | 25.269 | 24.964 | - | 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 |
| 767_nest_r |
Report Time: 0.26s