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Issues list

multiprocessing.pool ThreadPool.imap does not respect memory scarcity performance Performance or resource usage stdlib Python modules in the Lib dir topic-multiprocessing type-bug An unexpected behavior, bug, or error
#101586 opened Feb 5, 2023 by shaundaley39
Make BOLT as stable feature build The build process and cross-build performance Performance or resource usage type-feature A feature request or enhancement
#101525 opened Feb 2, 2023 by corona10
3 of 6 tasks
@corona10
5
bytearray slice assignment for bytes-like object is much slower than that for bytearray interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-bug An unexpected behavior, bug, or error
#101444 opened Jan 31, 2023 by msoxzw
2
Optimize makedirs on Windows OS-windows performance Performance or resource usage type-feature A feature request or enhancement
#101358 opened Jan 26, 2023 by DefaultRyan
@mdboom
Add fast Windows implementation for os.path.isjunction OS-windows performance Performance or resource usage stdlib Python modules in the Lib dir type-feature A feature request or enhancement
#101356 opened Jan 26, 2023 by mdboom
The hash and equals methods of code objects are large, complex and unnecessary. interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#101346 opened Jan 26, 2023 by markshannon
1
9
Restore (or beat) Python 2 performance for arithmetic operations on ints that fit into a single word interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#101291 opened Jan 24, 2023 by markshannon
7
Faster ASCII and possibly UTF-8 decoding of text files with TextIOWrapper performance Performance or resource usage topic-IO type-feature A feature request or enhancement
#101289 opened Jan 24, 2023 by rhpvorderman
BlocksOutputBuffer causes a performance regression in bz2, lzma and zlib modules performance Performance or resource usage stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#101260 opened Jan 23, 2023 by rhpvorderman
6
base64.b85encode uses significant amount of RAM performance Performance or resource usage stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#101178 opened Jan 20, 2023 by AbdealiLoKo
1
2
Add free list optimization for generators/co-routines interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#101140 opened Jan 18, 2023 by DinoV
@DinoV
Strange reference cycle (?) introduced with shim frames 3.12 bugs and security fixes 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#100964 opened Jan 12, 2023 by A5rocks
@markshannon
16
Per-class type cache interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#100870 opened Jan 9, 2023 by Fidget-Spinner
Generator finalization is slower in 3.11 vs 3.10 3.11 only security fixes 3.12 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#100762 opened Jan 5, 2023 by Onlooker2186
@markshannon
30
Reduce frequency of memory overallocation in some int additions and subtractions interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#100687 opened Jan 2, 2023 by mdickinson
2
Finish up LOAD_ATTR specialisation interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#100288 opened Dec 16, 2022 by Fidget-Spinner
1 of 2 tasks
15
Use a principled, and consistent, implementation of freelists. interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#100240 opened Dec 14, 2022 by markshannon
@markshannon
2
Specialize long tail of binary operations using a table. interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#100239 opened Dec 14, 2022 by markshannon
@brandtbucher
Avoid exc=None; del exc in bytecode where unnecessary 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
#99360 opened Nov 11, 2022 by sweeneyde
3
Optimize away creation of immediately discarded tuples interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#99077 opened Nov 3, 2022 by markshannon
1
Add CALL_INTRINSIC instruction. interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#99005 opened Nov 2, 2022 by markshannon
7
csv.Sniffer().sniff() Hangs on Single-Column Data performance Performance or resource usage stdlib Python modules in the Lib dir
#98820 opened Oct 28, 2022 by jackdesert
@serhiy-storchaka
2
Speed up sysconfig performance Performance or resource usage topic-sysconfig type-feature A feature request or enhancement
#98718 opened Oct 26, 2022 by FFY00
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
Deferring side effecting code in _Py_Dealloc() interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#98260 opened Oct 14, 2022 by markshannon
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