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| os | None |
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| git_commit |
commit 841895543edcf98bd16027c6b85fe7c6419a4566 Author: Petr Hosek <phosek@google.com> Date: Tue Jan 7 13:45:48 2025 -0800 [libcxx] Use alias for detecting overriden function (#120805) This mechanism is preferable in environments like embedded since it doesn't require special handling of the custom section. This is a reland of https://github.com/llvm/llvm-project/pull/114961 which addresses the issue reported by downstream users. Specifically, the two differences from the previous version are: * The internal `symbol##_impl__` symbol in the Mach-O implementation is annotated with `__attribute__((used))` to prevent LTO from deleting it which we've seen in the previous version. * `__is_function_overridden` is marked as `inline` so these symbols are placed in a COMDAT (or fully inlined) to avoid duplicate symbol errors which we've seen in the previous version. |
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ldionne-old-macbook-results test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 523050 | 2025-12-16T16:40:01 | 0:00:00 |
| Previous | 523180 | 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 | 18 |
| Unchanged Tests | 84 | 72 |
| Total Tests | 90 |
| Performance Regressions - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 727_cppcheck_r | 14.18% | 24.330 | 27.781 | - | 0.00% | - |
| 753_ns3_r | 3.15% | 10.283 | 10.607 | - | 0.00% | - |
| 748_flightdm_r | 1.24% | 8.880 | 8.990 | - | 0.00% | - |
| 707_ntest_r | 1.23% | 17.913 | 18.134 | - | 0.00% | - |
| Performance Improvements - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 710_omnetpp_r | -2.73% | 8.789 | 8.549 | - | 0.00% | - |
| 735_gem5_r | -1.10% | 13.883 | 13.731 | - | 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 |
| 735_gem5_r |
| 736_ocio_r |
| 737_gmsh_r |
| 748_flightdm_r |
| 750_sealcrypto_r |
| 753_ns3_r |
| 766_femflow_r |
| 767_nest_r |
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