[issue26110] Speedup method calls 1.2x

[STINNER Victor]

STINNER Victor added the comment:

INADA Naoki: "My current idea is adding new `tp_fastcall` slot which has same signature to _PyFunction_FastCallDict or _PyCFunction_FastCallDict."

FYI I'm working on a solution to avoid tuple and dict to pass parameters to tp_new, tp_init and tp_call. I have PoC implementations (yeah, more than one). Please come to me directly if you are interested, this issue is not the right place to discuss.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26110>
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