| Function Name | Total [unit, %] | Self [unit, %] | Call Count | Module | Avg Self | Max Self | Min Self | Avg Total | Max Total | Min Total |
|---|---|---|---|---|---|---|---|---|---|---|
| PyStackRef_CLOSE_SPECIALIZED | 131,73ms (7,34 %) | 131,69ms (7,34 %) | 972192 | python315 | 100ns | 131,55ms | 100ns | 100ns | 131,55ms | 100ns |
| _PyLong_CheckExactAndCompact | 64,01ms (3,57 %) | 64,01ms (3,57 %) | 931156 | python315 | 0ns | 63,94ms | 100ns | 0ns | 63,94ms | 100ns |
| _PyStackRef_FromPyObjectNew | 498,31ms (27,76 %) | 498,31ms (27,76 %) | 764658 | python315 | 600ns | 497,32ms | 0ns | 600ns | 497,32ms | 0ns |
| dictkeys_get_index | 15,21ms (0,85 %) | 15,21ms (0,85 %) | 263503 | python315 | 0ns | 3,70ms | 0ns | 0ns | 3,70ms | 0ns |
| Py_DECREF_MORTAL | 22,66ms (1,26 %) | 20,87ms (1,16 %) | 256257 | python315 | 0ns | 20,65ms | 0ns | 0ns | 19,39ms | 0ns |
| PyStackRef_AsPyObjectSteal | 15,93ms (0,89 %) | 15,93ms (0,89 %) | 233924 | python315 | 0ns | 15,69ms | 0ns | 0ns | 15,69ms | 0ns |
Chris Eibl chris-eibl
chris-eibl
/ top_call_counts.md
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October 27, 2025 17:41
Profile of pystone for MSVC PGO build showing the effect of not being able to inline stack refs et al.
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Raw data for https://gist.github.com/chris-eibl/114a42f22563956fdb5cd0335b28c7ae
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| +----------------------------------+-------------------------+---------------------------------+--------------------------+------------------------------------+-----------------------------+-------------------------------------------+ | |
| | Benchmark | msvc.release.9db1a297d9 | clang.release.18.1.8.9db1a297d9 | clang.release.9db1a297d9 | clang.release.cg.18.1.8.9db1a297d9 | clang.release.cg.9db1a297d9 | clang.release.tc.gc.20.1.0.rc2.9db1a297d9 | | |
| +==================================+=========================+=================================+==========================+====================================+=============================+===========================================+ | |
| | Geometric mean | (ref) | 1.32x faster | 1.27x faster | 1.34x faster | 1.27x faster | 1.40x faster | | |
| +----------------------------------+-------------------------+---------------------- |