[issue37017] Use LOAD_METHOD optimization in CallMethod C API functions

Thu May 23 12:48:57 EDT 2019

Michael J. Sullivan <sully at msully.net> added the comment:

I believe that this is orthogonal to PEP 590.

PyObject_CallMethodObjArgs and friends take varargs which need to be copied into an array one way or another. It is easy (and efficient) to prepend the base while copying the function arguments into the array (see the attached PR). I don't think that vector call will change anything about this.

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