New submission from Ma Lin <malin...@163.com>:
`bytes(m)` can be replaced by memoryview.cast('B'), then no need for data
copying.
m = memoryview(buf)
# HACK for byte-indexing of non-bytewise buffers (e.g. array.array)
if m.itemsize > 1:
m = memoryview(bytes(m))
n = len(m)
https://github.com/python/cpython/blob/v3.11.0a6/Lib/multiprocessing/connection.py#L190-L194
----------
components: Library (Lib)
messages: 416538
nosy: malin
priority: normal
severity: normal
status: open
title: multiprocessing: micro-optimize Connection.send_bytes() method
type: resource usage
versions: Python 3.11
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue47199>
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