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GeezerVison is showing github.com — gh-109653: Improve `enum` import time by avoiding import of `functools` by AlexWaygood · Pull Request #109789 · python/cpython

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@AlexWaygood

@AlexWaygood AlexWaygood commented Sep 23, 2023 •
edited by bedevere-app Bot
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This reduces the import time of enum by over 50% on my machine (PGO-optimised, non-debug build on Windows), from around 0.007s to around 0.003s

  • Issue: Improve import time of various stdlib modules #109653

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@AlexWaygood
pythongh-109653: Improve enum import time by avoiding import of `fu…
de366dc 
…nctools`
@AlexWaygood
AlexWaygood requested a review from ethanfurman as a code owner September 23, 2023 11:49
@bedevere-app bedevere-app Bot added the awaiting review label Sep 23, 2023
@bedevere-app bedevere-app Bot mentioned this pull request Sep 23, 2023
Improve import time of various stdlib modules #109653
Closed
JelleZijlstra
JelleZijlstra approved these changes Sep 23, 2023
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@bedevere-app bedevere-app Bot added awaiting core review and removed awaiting review labels Sep 23, 2023
@AlexWaygood AlexWaygood added performance Performance or resource usage 3.13 only security fixes type-feature A feature request or enhancement stdlib Standard Library Python modules in the Lib/ directory labels Sep 23, 2023
ethanfurman
ethanfurman approved these changes Sep 23, 2023
View reviewed changes
@ethanfurman
ethanfurman merged commit 51863b7 into python:main Sep 23, 2023
@bedevere-app bedevere-app Bot removed the awaiting core review label Sep 23, 2023
@AlexWaygood
AlexWaygood deleted the enum-import-time branch September 23, 2023 18:32
csm10495 pushed a commit to csm10495/cpython that referenced this pull request Sep 28, 2023
@AlexWaygood @csm10495
pythongh-109653: Improve enum import time by avoiding import of `fu…
9087a14 
…nctools` (pythonGH-109789)
Glyphack pushed a commit to Glyphack/cpython that referenced this pull request Sep 2, 2024
@AlexWaygood @Glyphack
pythongh-109653: Improve enum import time by avoiding import of `fu…
77ec380 
…nctools` (pythonGH-109789)
@dmartmillan dmartmillan mentioned this pull request Nov 13, 2024
Openvariant | Failing with python 3.13 bbglab/openvariant#27
Closed
@sharktide sharktide mentioned this pull request Apr 11, 2026
gh-154675: Improve import performance of tkinter library with lazy imports #148409
Open
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@JelleZijlstra JelleZijlstra JelleZijlstra approved these changes
@ethanfurman ethanfurman ethanfurman approved these changes

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3.13 only security fixes performance Performance or resource usage stdlib Standard Library Python modules in the Lib/ directory type-feature A feature request or enhancement

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3 participants

@AlexWaygood @JelleZijlstra @ethanfurman
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