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bpo-44661: Update property_descr_set to use vectorcall if possible. - #27206
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corona10
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erlend-aasland
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Jul 17, 2021
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@erlend-aasland FYI, I updated the benchmark with the result :) (old one was wrong actually it became more faster) |
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Out of curiosity, is the benchmark from LTO+PGO build or non-debug build? |
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The attached result is tested on a non-debug build but the optimized build(Clang 12.0.0, macOS) also shows a similar result. |
Fidget-Spinner
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Wow those are some nice results for a few lines of code changed!
If I understand correctly, this won't slow down any other calls too right? The fast path with vectorcall should always be taken, since in most cases func should always be a python function/method which supports vectorcall.
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* origin/main: (1146 commits) bpo-42064: Finalise establishing sqlite3 global state (pythonGH-27155) bpo-44678: Separate error message for discontinuous padding in binascii.a2b_base64 strict mode (pythonGH-27249) correct spelling (pythonGH-27076) bpo-44524: Add missed __name__ and __qualname__ to typing module objects (python#27237) bpo-27513: email.utils.getaddresses() now handles Header objects (python#13797) Clean up comma usage in Doc/library/functions.rst (python#27083) bpo-42238: Fix small rst issue in NEWS.d/. (python#27238) bpo-41972: Tweak fastsearch.h string search algorithms (pythonGH-27091) bpo-44340: Add support for building with clang full/thin lto (pythonGH-27231) bpo-44661: Update property_descr_set to use vectorcall if possible. (pythonGH-27206) bpo-44645: Check for interrupts on any potentially backwards edge (pythonGH-27216) bpo-41546: make pprint (like print) not write to stdout when it is None (pythonGH-26810) bpo-44554: refactor pdb targets (and internal tweaks) (pythonGH-26992) bpo-43086: Add handling for out-of-spec data in a2b_base64 (pythonGH-24402) bpo-44561: Update hyperlinks in Doc/distributing/index.rst (python#27032) bpo-42355: symtable.get_namespace() now checks whether there are multiple or any namespaces found (pythonGH-23278) bpo-44654: Do not export the union type related symbols (pythonGH-27223) bpo-44633: Fix parameter substitution of the union type with wrong types. (pythonGH-27218) bpo-44654: Refactor and clean up the union type implementation (pythonGH-27196) bpo-20291: Fix MSVC warnings in getargs.c (pythonGH-27211) ...
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https://bugs.python.org/issue44661