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Issues list

Do we still need asciilib for better performance? interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#98229 opened Oct 12, 2022 by sobolevn
argparse.ArgumentParser is slow when parsing a very long option list 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#96859 opened Sep 16, 2022 by alexeypa
Enable -fstrict-overflow build The build process and cross-build performance Performance or resource usage type-feature A feature request or enhancement
#96821 opened Sep 14, 2022 by matthiasgoergens
IDLE: In the shell, when a long line of output is written progressively, there is a big delay performance Performance or resource usage topic-IDLE type-bug An unexpected behavior, bug, or error
#96560 opened Sep 4, 2022 by taleinat
Save a few bits in dicts 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#96472 opened Sep 1, 2022 by matthiasgoergens
_PyStaticCode_InternStrings is called ~800 times during startup. 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-subinterpreters type-bug An unexpected behavior, bug, or error
#96459 opened Aug 31, 2022 by markshannon
ipaddress performance and ease when excluding networks from networks performance Performance or resource usage stdlib Python modules in the Lib dir
#96302 opened Aug 26, 2022 by nlsj1985
Build Python with frame pointers (-fno-omit-frame-pointer) build The build process and cross-build performance Performance or resource usage type-feature A feature request or enhancement
#96174 opened Aug 22, 2022 by tiran
Avoid extraneous copy when _recving bytes through pipes in multiprocessing "connections" performance Performance or resource usage stdlib Python modules in the Lib dir
#96059 opened Aug 17, 2022 by igozali
CALL_FUNCTION_EX argument passing routine can be improved for vectorcalls interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#95757 opened Aug 7, 2022 by Fidget-Spinner
Support the use of the managed pre-header in builtin classes. 3.12 bugs and security fixes 3.13 bugs and security fixes docs Documentation in the Doc dir interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#95707 opened Aug 5, 2022 by markshannon
2 of 3 tasks
Inline call frames for CALL_FUNCTION_EX 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#95126 opened Jul 22, 2022 by Fidget-Spinner
OpenSSL 3.0 performance issue: SSLContext.set_default_verify_paths / load_verify_locations about 5x slower 3.12 bugs and security fixes extension-modules C modules in the Modules dir performance Performance or resource usage type-bug An unexpected behavior, bug, or error
#95031 opened Jul 20, 2022 by fcfangcc
Specialize access to Enum attributes 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#95004 opened Jul 19, 2022 by markshannon
Avoid excessive stack usage in all cases. 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#94445 opened Jun 30, 2022 by markshannon
linecache should remember files it failed to read and not try again 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#94436 opened Jun 30, 2022 by iritkatriel
ABC causing massive memory swell 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#94284 opened Jun 26, 2022 by zrothberg
Reduce overhead of pushing and popping frames in Python-to-Python calls. 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#93897 opened Jun 16, 2022 by markshannon
Specialized match_keys for exact dictionary type 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#93714 opened Jun 11, 2022 by da-woods
The inline cache for LOAD_ATTR is too large. 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#93533 opened Jun 6, 2022 by markshannon
Performance gap of match statements of classes compared with equivalent Python 3.9 code 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-bug An unexpected behavior, bug, or error
#92868 opened May 17, 2022 by tonybaloney
_abc._abc_subclasscheck has very poor performance and (I think) a memory leak 3.12 bugs and security fixes extension-modules C modules in the Modules dir performance Performance or resource usage type-bug An unexpected behavior, bug, or error
#92810 opened May 14, 2022 by samuelcolvin
ParserBase could be optimized 3.13 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir type-feature A feature request or enhancement
#92088 opened Apr 30, 2022 by be-thomas
Slow inspect.getmodule 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#92041 opened Apr 29, 2022 by mdeck
Free list for longobject medium value 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#91912 opened Apr 25, 2022 by penguin-wwy
ProTip! What’s not been updated in a month: updated:<2024-06-11.