Author malin
Recipients anton.gruebel, eric.smith, malin, python-dev, serhiy.storchaka
Date 2021-07-23.00:54:21
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Message-id <1627001661.74.0.533767868471.issue44711@roundup.psfhosted.org>
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> I suppose it is a very old code

I also found a few old code may have performance loss.

memoryview.cast() method was add in Python 3.3.
This code doesn't use memoryview.cast(), which will bring extra memory overhead when the amount of data is very large.
https://github.com/python/cpython/blob/v3.10.0b4/Lib/multiprocessing/connection.py#L190-L194
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Date User Action Args
2021-07-23 00:54:21malinsetrecipients: + malin, eric.smith, python-dev, serhiy.storchaka, anton.gruebel
2021-07-23 00:54:21malinsetmessageid: <1627001661.74.0.533767868471.issue44711@roundup.psfhosted.org>
2021-07-23 00:54:21malinlinkissue44711 messages
2021-07-23 00:54:21malincreate