Optimize calling special methods

[jdemeyer]

BPO	37231
Nosy	@methane, @jdemeyer
PRs	bpo-37231: optimize calls of special methods #13973 bpo-37231: remove _PyObject_FastCall_Prepend which is no longer used #14153

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2019-07-01.15:27:25.489>
created_at = <Date 2019-06-11.13:07:40.804>
labels = ['interpreter-core', '3.9', 'performance']
title = 'Optimize calling special methods'
updated_at = <Date 2019-07-01.15:27:25.489>
user = 'https://github.com/jdemeyer'

bugs.python.org fields:

activity = <Date 2019-07-01.15:27:25.489>
actor = 'jdemeyer'
assignee = 'none'
closed = True
closed_date = <Date 2019-07-01.15:27:25.489>
closer = 'jdemeyer'
components = ['Interpreter Core']
creation = <Date 2019-06-11.13:07:40.804>
creator = 'jdemeyer'
dependencies = []
files = []
hgrepos = []
issue_num = 37231
keywords = ['patch']
message_count = 3.0
messages = ['345231', '345482', '345847']
nosy_count = 2.0
nosy_names = ['methane', 'jdemeyer']
pr_nums = ['13973', '14153']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue37231'
versions = ['Python 3.9']

[jdemeyer]

Change call_method() and related functions in Objects/typeobject.c to allow profiting from the PY_VECTORCALL_ARGUMENTS_OFFSET optimization: instead of passing "self" as separate argument, put it inside the args vector.

[methane]

New changeset b4b814b by Inada Naoki (Jeroen Demeyer) in branch 'master':
bpo-37231: optimize calls of special methods (GH-13973)
b4b814b

[methane]

New changeset 0456df4 by Inada Naoki (Jeroen Demeyer) in branch 'master':
bpo-37231: remove _PyObject_FastCall_Prepend (GH-14153)
0456df4