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Issues list

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
3 👍 10
_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
11 👍 7
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
7 👍 7
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
16 👍 7
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
👍 5
Improve performance of startswith, endswith, count, *find, and *index methods for str, bytes and bytearray 3.13 bugs and security fixes performance Performance or resource usage type-feature A feature request or enhancement
#117431 opened Apr 1, 2024 by eendebakpt
3 👍 5
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
@ezio-melotti
1 👍 4
shutil: add reflink=False to file copy functions to control clone/CoW copies (use copy_file_range) 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
#81338 opened Jun 4, 2019 by vstinner
37 👍 4
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
👍 3
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 👍 3
dead store elimination in the compiler interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#104635 opened May 18, 2023 by carljm
12 👍 3
Optimize math.lcm(*xs) 3.13 bugs and security fixes extension-modules C modules in the Modules dir performance Performance or resource usage type-feature A feature request or enhancement
#102221 opened Feb 24, 2023 by pochmann
9 👍 3
Inspect module is prohibitively expensive to import performance Performance or resource usage type-feature A feature request or enhancement
#117865 opened Apr 14, 2024 by jaraco
9 👍 3
Improve performance of os.walk() performance Performance or resource usage
#119169 opened May 19, 2024 by barneygale
3 👍 3
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 👍 2
Speedup for PyFloat_Unpack4/8 extension-modules C modules in the Modules dir performance Performance or resource usage type-feature A feature request or enhancement
#106814 opened Jul 16, 2023 by yairlenga
3 👍 2
Improving JIT code quality 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-JIT
#115802 opened Feb 22, 2024 by brandtbucher
5 of 13 tasks
@brandtbucher
1 👍 2
Pluggable optimizer API 3.13 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage
#104584 opened May 17, 2023 by markshannon
4 👍 2
Use copy_file_range() in shutil.copyfile() (server-side copy) 3.12 bugs and security fixes performance Performance or resource usage stdlib Python modules in the Lib dir
#81340 opened Jun 5, 2019 by giampaolo
7 👍 2
Consider applying flags for warnings about potential security issues build The build process and cross-build performance Performance or resource usage type-feature A feature request or enhancement type-security A security issue
#112301 opened Nov 21, 2023 by mdboom
18 👍 2
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 👍 1
Avoid releasing the GIL in nonblocking socket operations 3.12 bugs and security fixes performance Performance or resource usage topic-IO
#89977 opened Nov 16, 2021 by jcrist mannequin
4 👍 1
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
3 👍 1
RotatingFileHandler formats the record twice performance Performance or resource usage
#116267 opened Mar 3, 2024 by serhiy-storchaka
1 👍 1
Type/constant/value propagation for BINARY_OP interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage type-feature A feature request or enhancement
#115480 opened Feb 14, 2024 by Fidget-Spinner
1 👍 1
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