[New-bugs-announce] [issue46993] Speed up bytearray creation from list and tuple

[Kumar Aditya]

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

The attached PR speeds up bytearray creation from list and tuple.

Benchmark (uses pyperf):
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import pyperf

runner = pyperf.Runner()
runner.timeit(name="bench bytearray",
              stmt="bytearray([42]*10000)",)
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Results:

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Mean +- std dev: [base] 74.8 us +- 5.5 us -> [patch] 53.2 us +- 3.3 us: 1.41x faster
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components: Interpreter Core
messages: 414987
nosy: gvanrossum, kumaraditya303
priority: normal
pull_requests: 29935
severity: normal
status: open
title: Speed up bytearray creation from list and tuple
type: performance
versions: Python 3.11

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46993>
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