[issue46953] use FASTCALL for __import__ builtin

[Kumar Aditya]

New submission from Kumar Aditya <rahuladitya303 at gmail.com>:

Use FASTCALL for __import__ builtin.

Benchmark:
--------------------------------------------------------------------------
import pyperf

runner = pyperf.Runner()
runner.timeit(name="bench __import__",
              stmt="__import__('asyncio')"
------------------------------------------------------------------------

Result:

Mean +- std dev: [base] 191 ns +- 16 ns -> [patch] 112 ns +- 11 ns: 1.71x faster

----------
components: Interpreter Core
messages: 414729
nosy: Dennis Sweeney, Mark.Shannon, kumaraditya303
priority: normal
pull_requests: 29865
severity: normal
status: open
title: use FASTCALL for __import__ builtin
type: performance
versions: Python 3.11

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46953>
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