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Issues list

Make rawiobase_read() read directly to bytes object 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir topic-IO
#60107 opened Sep 10, 2012 by sbt mannequin
20
doc: pathological performance using tarfile 3.10 only security fixes 3.11 only security fixes 3.12 bugs and security fixes docs Documentation in the Doc dir easy performance Performance or resource usage stdlib Python modules in the Lib dir
#62944 opened Aug 15, 2013 by teamnoir mannequin
7
Calling assertEquals for moderately long list takes too long 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#63416 opened Oct 10, 2013 by JacekBzdak mannequin
@ezio-melotti
30
Use the _functools module to speed up functools.total_ordering 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#66268 opened Jul 25, 2014 by ncoghlan
3
multiprocessing .Condition.notify(_all) function has O(N) time complexity where N is the number of wait() calls with a timeout since the last notify(_all) call 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir topic-multiprocessing
#69655 opened Oct 24, 2015 by vilnistermanis mannequin
4
Low FD_SETSIZE limit on Windows 3.12 bugs and security fixes extension-modules C modules in the Modules dir OS-windows performance Performance or resource usage
#72894 opened Nov 15, 2016 by DavidHirschfeld mannequin
20
urllib2 works slowly with proxy on windows 3.10 only security fixes 3.11 only security fixes 3.12 bugs and security fixes OS-windows performance Performance or resource usage stdlib Python modules in the Lib dir
#73719 opened Feb 11, 2017 by juliadolgova mannequin
23
Optimize calling type slots 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#74694 opened May 30, 2017 by serhiy-storchaka
17
Excessive memory use or memory fragmentation when unpickling many small objects 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#80875 opened Apr 21, 2019 by Paul-E mannequin
8
Garbage Collection makes some object live for very long 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#83242 opened Dec 16, 2019 by mistasse mannequin
4
A little faster ElementTree serializing 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir topic-XML
#70069 opened Dec 16, 2015 by serhiy-storchaka
2
Use sendfile where possible in httplib 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#57768 opened Dec 8, 2011 by benjaminp
13
ftplib and sendfile() 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#57773 opened Dec 9, 2011 by giampaolo
@giampaolo
32
[easy C] long type performance waste in 64-bit Windows build 3.12 bugs and security fixes OS-windows performance Performance or resource usage
#86470 opened Nov 10, 2020 by animalize mannequin
6
date.today() is half as fast as datetime.now().date() 3.12 bugs and security fixes extension-modules C modules in the Modules dir performance Performance or resource usage
#88473 opened Jun 4, 2021 by asottile mannequin
5
Certain methods that heap allocated subtypes inherit suffer a 50-80% performance penalty 3.12 bugs and security fixes performance Performance or resource usage topic-C-API
#78577 opened Aug 13, 2018 by mr-nfamous mannequin
8
Convert collections (cmp_op, hasconst, hasname and others) in opcode module to more optimal type 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#77507 opened Apr 21, 2018 by godaygo mannequin
6
sum() several times slower on Python 3 64-bit 3.11 only security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#68264 opened Apr 29, 2015 by ambv
1
40
Use zlib-ng or chromium's zlib rather than mainline stale zlib in binary releases 3.13 bugs and security fixes OS-windows performance Performance or resource usage
#91349 opened Apr 1, 2022 by gpshead
18
Quicken everything 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#98686 opened Oct 25, 2022 by brandtbucher
@brandtbucher
1
Speed up sysconfig performance Performance or resource usage topic-sysconfig type-feature A feature request or enhancement
#98718 opened Oct 26, 2022 by FFY00
importlib does unnecessary os.stat calls checking for namespace __init__.py files 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir topic-importlib
#91519 opened Apr 14, 2022 by novoselov-ab
3
Speed up classmethod calls via LOAD_METHOD 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#89458 opened Sep 26, 2021 by Fidget-Spinner
1
Split function versions into 1-0xffff and 0x1000+ regions 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#90255 opened Dec 16, 2021 by markshannon
3
ShareableList memory bloat and performance improvement 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#90955 opened Feb 19, 2022 by tcl326 mannequin
3
ProTip! Updated in the last three days: updated:>2024-07-08.