René's URL Explorer Experiment


Title: gh-118761: substitute `re` import in `base64.b16decode` for a more efficient alternative by picnixz · Pull Request #128736 · python/cpython · GitHub

Open Graph Title: gh-118761: substitute `re` import in `base64.b16decode` for a more efficient alternative by picnixz · Pull Request #128736 · python/cpython

X Title: gh-118761: substitute `re` import in `base64.b16decode` for a more efficient alternative by picnixz · Pull Request #128736 · python/cpython

Description: Benchmarks are on a RELEASE build (no PGO, no LTO). See #128736 (comment) for the runtime performance improvements as well. PR $ ./python -I -X importtime -c 'import base64' import time: self [us] ...

Open Graph Description: Benchmarks are on a RELEASE build (no PGO, no LTO). See #128736 (comment) for the runtime performance improvements as well. PR $ ./python -I -X importtime -c 'import base64' import time: se...

X Description: Benchmarks are on a RELEASE build (no PGO, no LTO). See #128736 (comment) for the runtime performance improvements as well. PR $ ./python -I -X importtime -c 'import base64' import ...

Opengraph URL: https://github.com/python/cpython/pull/128736

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:be933adb-fc50-2f56-7c5b-1e12eaf825d2
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idB9B8:2004F6:16AFA56:1E6CECD:6969BAB5
html-safe-nonce13737b40fa9a853b97108b4798f99d550326319ee1c36ce119ac3df2c70fcd2d
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJCOUI4OjIwMDRGNjoxNkFGQTU2OjFFNkNFQ0Q6Njk2OUJBQjUiLCJ2aXNpdG9yX2lkIjoiODEyMzUyNzIzMTc5MTI1NDI5IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmac22ebdcd5868489460e7a1f22d060924fde9100a95c0aa91e0366ed3f7a1e8f82
hovercard-subject-tagpull_request:2271960441
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/128736/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/4c65569ef0d9206bc4956865421eda63cc7b208ac197f932994e4012b66b55fc/python/cpython/pull/128736
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/4c65569ef0d9206bc4956865421eda63cc7b208ac197f932994e4012b66b55fc/python/cpython/pull/128736
og:image:altBenchmarks are on a RELEASE build (no PGO, no LTO). See #128736 (comment) for the runtime performance improvements as well. PR $ ./python -I -X importtime -c 'import base64' import time: se...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamepicnixz
hostnamegithub.com
expected-hostnamegithub.com
Noneacedec8b5f975d9e3d494ddd8f949b0b8a0de59d393901e26f73df9dcba80056
turbo-cache-controlno-preview
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release83c08c21cdda978090dc44364b71aa5bc6dcea79
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/128736#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F128736
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub SparkBuild and deploy intelligent appshttps://github.com/features/spark
GitHub ModelsManage and compare promptshttps://github.com/features/models
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F128736
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/128736
Reloadhttps://github.com/python/cpython/pull/128736
Reloadhttps://github.com/python/cpython/pull/128736
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/128736
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 33.9k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 71.1k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.1k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects 31 https://github.com/python/cpython/projects
Security Uh oh! There was an error while loading. Please reload this page. https://github.com/python/cpython/security
Please reload this pagehttps://github.com/python/cpython/pull/128736
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Sign up for GitHub https://github.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://github.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
Jump to bottomhttps://github.com/python/cpython/pull/128736#issue-comment-box
AA-Turnerhttps://github.com/AA-Turner
python:mainhttps://github.com/python/cpython/tree/main
picnixz:perf/import/base64-118761https://github.com/picnixz/cpython/tree/perf/import/base64-118761
gh-118761: substitute re import in base64.b16decode for a more efficient alternative https://github.com/python/cpython/pull/128736#top
AA-Turnerhttps://github.com/AA-Turner
python:mainhttps://github.com/python/cpython/tree/main
picnixz:perf/import/base64-118761https://github.com/picnixz/cpython/tree/perf/import/base64-118761
Conversation 25 https://github.com/python/cpython/pull/128736
Commits 8 https://github.com/python/cpython/pull/128736/commits
Checks 36 https://github.com/python/cpython/pull/128736/checks
Files changed https://github.com/python/cpython/pull/128736/files
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Jan 11, 2025https://github.com/python/cpython/pull/128736#issue-2781795609
Please reload this pagehttps://github.com/python/cpython/pull/128736
#128736 (comment)https://github.com/python/cpython/pull/128736#discussion_r1913101433
Improve import time of various stdlib modules #118761https://github.com/python/cpython/issues/118761
Please reload this pagehttps://github.com/python/cpython/pull/128736
picnixzhttps://github.com/picnixz
January 11, 2025 12:59https://github.com/python/cpython/pull/128736#commits-pushed-3a92fce
https://github.com/picnixz
Improve import time of the base64 module.https://github.com/python/cpython/pull/128736/commits/3a92fce45aa5e2e0bd53a081213c725af76d72e6
3a92fcehttps://github.com/python/cpython/pull/128736/commits/3a92fce45aa5e2e0bd53a081213c725af76d72e6
https://github.com/picnixz
blurbhttps://github.com/python/cpython/pull/128736/commits/0b52712c2bc4b7ff3bed98c0825ef2dbfabd33c1
0b52712https://github.com/python/cpython/pull/128736/commits/0b52712c2bc4b7ff3bed98c0825ef2dbfabd33c1
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Jan 11, 2025 https://github.com/python/cpython/pull/128736#ref-issue-2285570381
Improve import time of various stdlib modules #118761 https://github.com/python/cpython/issues/118761
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting core review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
Jan 11, 2025https://github.com/python/cpython/pull/128736#event-15892394428
https://github.com/picnixz
picnixzhttps://github.com/picnixz
performance https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Aperformance
Jan 11, 2025https://github.com/python/cpython/pull/128736#event-15892425605
https://github.com/picnixz
picnixzhttps://github.com/picnixz
hugovkhttps://github.com/hugovk
January 11, 2025 16:30https://github.com/python/cpython/pull/128736#event-15893056692
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Jan 11, 2025https://github.com/python/cpython/pull/128736#issuecomment-2585325740
@hugovkhttps://github.com/hugovk
#128732https://github.com/python/cpython/pull/128732
#128738https://github.com/python/cpython/pull/128738
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/AA-Turner
AA-Turnerhttps://github.com/AA-Turner
Jan 12, 2025 https://github.com/python/cpython/pull/128736#pullrequestreview-2545469558
View reviewed changes https://github.com/python/cpython/pull/128736/files/0b52712c2bc4b7ff3bed98c0825ef2dbfabd33c1
Lib/base64.pyhttps://github.com/python/cpython/pull/128736/files/0b52712c2bc4b7ff3bed98c0825ef2dbfabd33c1#diff-1d196d93fbeed5133b0bc9de7b58a2f5a0caee15e693ba605c7182d127e7f263
Please reload this pagehttps://github.com/python/cpython/pull/128736
picnixzhttps://github.com/picnixz
January 13, 2025 13:23https://github.com/python/cpython/pull/128736#commits-pushed-d7b6253
https://github.com/picnixz
Improve base64.b16decode() by a factor 10.https://github.com/python/cpython/pull/128736/commits/d7b6253759ead4e28ba664d0950a0c3aaeb0036a
d7b6253https://github.com/python/cpython/pull/128736/commits/d7b6253759ead4e28ba664d0950a0c3aaeb0036a
https://github.com/picnixz
update NEWShttps://github.com/python/cpython/pull/128736/commits/9e8fe5dbc099105c6768cb3588d15209412b86df
9e8fe5dhttps://github.com/python/cpython/pull/128736/commits/9e8fe5dbc099105c6768cb3588d15209412b86df
https://github.com/hugovk
hugovkhttps://github.com/hugovk
Jan 13, 2025 https://github.com/python/cpython/pull/128736#pullrequestreview-2546712536
View reviewed changes https://github.com/python/cpython/pull/128736/files/9e8fe5dbc099105c6768cb3588d15209412b86df
hugovkhttps://github.com/hugovk
https://github.com/python/cpython/pull/128736#pullrequestreview-2546712536
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/128736
Misc/NEWS.d/next/Library/2025-01-10-13-06-54.gh-issue-118761.f8oADD.rsthttps://github.com/python/cpython/pull/128736/files/9e8fe5dbc099105c6768cb3588d15209412b86df#diff-24bd3f250fb99deb3647bd219a7b664a79f787514421dc59e88df0a92be8374b
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
awaiting core review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
Jan 13, 2025https://github.com/python/cpython/pull/128736#event-15905948794
https://github.com/picnixz
https://github.com/hugovk
Update Misc/NEWS.d/next/Library/2025-01-10-13-06-54.gh-issue-118761.f…https://github.com/python/cpython/pull/128736/commits/5be6178e771adbd7f197fc2fc461e63c89eb021b
5be6178https://github.com/python/cpython/pull/128736/commits/5be6178e771adbd7f197fc2fc461e63c89eb021b
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Jan 13, 2025https://github.com/python/cpython/pull/128736#event-15906448311
https://github.com/picnixz
add What's New entryhttps://github.com/python/cpython/pull/128736/commits/b36d9156fe89441f35fa6c50cc744b46174c095f
b36d915https://github.com/python/cpython/pull/128736/commits/b36d9156fe89441f35fa6c50cc744b46174c095f
https://github.com/picnixz
picnixzhttps://github.com/picnixz
AA-Turnerhttps://github.com/AA-Turner
January 14, 2025 12:26https://github.com/python/cpython/pull/128736#event-15922220735
https://github.com/AA-Turner
AA-Turnerhttps://github.com/AA-Turner
Jan 14, 2025 https://github.com/python/cpython/pull/128736#pullrequestreview-2549584017
View reviewed changes https://github.com/python/cpython/pull/128736/files/b36d9156fe89441f35fa6c50cc744b46174c095f
Doc/whatsnew/3.14.rsthttps://github.com/python/cpython/pull/128736/files/b36d9156fe89441f35fa6c50cc744b46174c095f#diff-24e6cbe61d91e61059c44a7cf5f712499a11eb47a82d5f1a8db16ec7f9023c31
Please reload this pagehttps://github.com/python/cpython/pull/128736
Misc/NEWS.d/next/Library/2025-01-10-13-06-54.gh-issue-118761.f8oADD.rsthttps://github.com/python/cpython/pull/128736/files/b36d9156fe89441f35fa6c50cc744b46174c095f#diff-24bd3f250fb99deb3647bd219a7b664a79f787514421dc59e88df0a92be8374b
Please reload this pagehttps://github.com/python/cpython/pull/128736
picnixzhttps://github.com/picnixz
January 14, 2025 13:43https://github.com/python/cpython/pull/128736#commits-pushed-5562c81
https://github.com/picnixz
https://github.com/AA-Turner
Update Doc/whatsnew/3.14.rsthttps://github.com/python/cpython/pull/128736/commits/5562c81785ada71cd2f19de995a0c855aa476f0d
5562c81https://github.com/python/cpython/pull/128736/commits/5562c81785ada71cd2f19de995a0c855aa476f0d
https://github.com/picnixz
https://github.com/AA-Turner
Update Misc/NEWS.d/next/Library/2025-01-10-13-06-54.gh-issue-118761.f…https://github.com/python/cpython/pull/128736/commits/82d18d7b522ed60b6b042d88e8046061f3dfd49f
82d18d7https://github.com/python/cpython/pull/128736/commits/82d18d7b522ed60b6b042d88e8046061f3dfd49f
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Jan 14, 2025 https://github.com/python/cpython/pull/128736#ref-pullrequest-2781803112
gh-118761: improve import time for secrets #128738 https://github.com/python/cpython/pull/128738
https://github.com/picnixz
picnixzhttps://github.com/picnixz
AA-Turnerhttps://github.com/AA-Turner
hugovkhttps://github.com/hugovk
January 14, 2025 13:19https://github.com/python/cpython/pull/128736#event-15922823485
https://github.com/AA-Turner
AA-Turnerhttps://github.com/AA-Turner
Jan 14, 2025 https://github.com/python/cpython/pull/128736#pullrequestreview-2549686579
View reviewed changes https://github.com/python/cpython/pull/128736/files/82d18d7b522ed60b6b042d88e8046061f3dfd49f
https://github.com/AA-Turner
AA-Turnerhttps://github.com/AA-Turner
bbd3300https://github.com/python/cpython/commit/bbd3300ae82a71da483dbb0c345175ba090263c4
Jan 14, 2025https://github.com/python/cpython/pull/128736#event-15922902645
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
Jan 14, 2025https://github.com/python/cpython/pull/128736#event-15922903288
https://github.com/AA-Turner
AA-Turnerhttps://github.com/AA-Turner
Jan 14, 2025https://github.com/python/cpython/pull/128736#issuecomment-2589906047
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/picnixz
picnixzhttps://github.com/picnixz
January 14, 2025 13:49https://github.com/python/cpython/pull/128736#event-15923249304
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
Jan 14, 2025https://github.com/python/cpython/pull/128736#issuecomment-2590194501
@AA-Turnerhttps://github.com/AA-Turner
@picnixzhttps://github.com/picnixz
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Jan 14, 2025https://github.com/python/cpython/pull/128736#issuecomment-2590197613
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/chris-eibl
chris-eiblhttps://github.com/chris-eibl
Jan 14, 2025https://github.com/python/cpython/pull/128736#issuecomment-2590706985
Please reload this pagehttps://github.com/python/cpython/pull/128736
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Jan 14, 2025https://github.com/python/cpython/pull/128736#issuecomment-2590710967
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/chris-eibl
chris-eiblhttps://github.com/chris-eibl
Jan 14, 2025https://github.com/python/cpython/pull/128736#issuecomment-2590727800
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/picnixz
picnixzhttps://github.com/picnixz
Jan 17, 2025 https://github.com/python/cpython/pull/128736#ref-pullrequest-2791360346
gh-118761: Reduce import time of gettext.py by delaying re import #128898 https://github.com/python/cpython/pull/128898
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F128736
https://github.com/AA-Turner
AA-Turner https://github.com/AA-Turner
https://github.com/python/cpython/pull/128736/files/82d18d7b522ed60b6b042d88e8046061f3dfd49f
https://github.com/hugovk
hugovk https://github.com/hugovk
https://github.com/effigies
effigies https://github.com/effigies
https://github.com/python/cpython/pull/128736/files/0b52712c2bc4b7ff3bed98c0825ef2dbfabd33c1
performance https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Aperformance
Please reload this pagehttps://github.com/python/cpython/pull/128736
https://github.com/picnixz
https://github.com/AA-Turner
https://github.com/vstinner
https://github.com/chris-eibl
https://github.com/effigies
https://github.com/hugovk
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.