[issue39978] Vectorcall implementation should conform to PEP 590.

STINNER Victor added the comment: > The change has a negative impact on performance How did you notice the slowdown? I ran benchmarks in https://github.com/python/cpython/pull/17052 and I didn't notice any performance overhead. -- ___ Python trac

[issue39978] Vectorcall implementation should conform to PEP 590.

Change by Jeremy Kloth : -- nosy: +jkloth ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python

[issue39978] Vectorcall implementation should conform to PEP 590.

New submission from Mark Shannon : The implementation of `PyObject_Vectorcall` adds unnecessary overhead to PEP 590, which undermines its purpose. The implementation was changed in https://github.com/python/cpython/pull/17052, which I objected to at the time. The change has a negative impact