René's URL Explorer Experiment


Title: gh-139103: Use borrowed references for positional args in _PyStack_UnpackDict by colesbury · Pull Request #144407 · python/cpython · GitHub

Open Graph Title: gh-139103: Use borrowed references for positional args in _PyStack_UnpackDict by colesbury · Pull Request #144407 · python/cpython

X Title: gh-139103: Use borrowed references for positional args in _PyStack_UnpackDict by colesbury · Pull Request #144407 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: The positional arguments passed to _PyStack_UnpackDict are already kept alive by the caller, so we can avoid the extra reference count operations by using borrowed references instead of creating ne...

X Description: The positional arguments passed to _PyStack_UnpackDict are already kept alive by the caller, so we can avoid the extra reference count operations by using borrowed references instead of creating ne...

Opengraph URL: https://github.com/python/cpython/pull/144407

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-noncev2:5032f7c0-69e0-d3c6-e372-8cd28c4e0cd6
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idDFB2:27E37A:7A9EA:B29C3:6A573AD1
html-safe-noncec7d3c0f13a9f7e5741f1b3e7d2192c41783681ba50cbe1551d994feb90cd35bb
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJERkIyOjI3RTM3QTo3QTlFQTpCMjlDMzo2QTU3M0FEMSIsInZpc2l0b3JfaWQiOiIyMDA4MjYxNzI2NTM4NTEzMTA1IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmac081c77a7155b451314f38b1b8af7d6b9102b531e648802084a2a4b331bd5bb83
hovercard-subject-tagpull_request:3238091475
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/144407/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/faf007a29aa88613d703f6879ad77302d386389b869ec680794b7206b42d44ca/python/cpython/pull/144407
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/faf007a29aa88613d703f6879ad77302d386389b869ec680794b7206b42d44ca/python/cpython/pull/144407
og:image:altThe positional arguments passed to _PyStack_UnpackDict are already kept alive by the caller, so we can avoid the extra reference count operations by using borrowed references instead of creating ne...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamecolesbury
hostnamegithub.com
expected-hostnamegithub.com
None4e7a7296a3830877cf21a6ad2a972c9e618a48915e03966cf0c53eb08e5aad98
turbo-cache-controlno-cache
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
release2576d1f0198cf1588faf2edf27f1ed120903be10
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/144407#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F144407
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
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
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
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/enterprise/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%2F144407
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/144407
Reloadhttps://github.com/python/cpython/pull/144407
Reloadhttps://github.com/python/cpython/pull/144407
Please reload this pagehttps://github.com/python/cpython/pull/144407
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/144407
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.3k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality 0 https://github.com/python/cpython/security
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 and quality https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
colesburyhttps://github.com/colesbury
python:mainhttps://github.com/python/cpython/tree/main
colesbury:gh-139103-stack-unpack-dict-borrowedhttps://github.com/colesbury/cpython/tree/gh-139103-stack-unpack-dict-borrowed
Conversationhttps://github.com/python/cpython/pull/144407
Commits1 (1)https://github.com/python/cpython/pull/144407/commits
Checkshttps://github.com/python/cpython/pull/144407/checks
Files changedhttps://github.com/python/cpython/pull/144407/files
gh-139103: Use borrowed references for positional args in _PyStack_UnpackDicthttps://github.com/python/cpython/pull/144407#top
colesburyhttps://github.com/colesbury
python:mainhttps://github.com/python/cpython/tree/main
colesbury:gh-139103-stack-unpack-dict-borrowedhttps://github.com/colesbury/cpython/tree/gh-139103-stack-unpack-dict-borrowed
https://github.com/colesbury
colesburyhttps://github.com/colesbury
Feb 2, 2026https://github.com/python/cpython/pull/144407#issue-3887676418
Please reload this pagehttps://github.com/python/cpython/pull/144407
Poor thread scaling when constructing instances or accessing attributes #139103https://github.com/python/cpython/issues/139103
Please reload this pagehttps://github.com/python/cpython/pull/144407
https://github.com/colesbury
pythongh-139103https://github.com/python/cpython/issues/139103
: Use borrowed references for positional args in _PySt…https://github.com/python/cpython/pull/144407/commits/42d8d7ee671208ae0ef0ba9b1f33a477ee173ecf
42d8d7ehttps://github.com/python/cpython/pull/144407/commits/42d8d7ee671208ae0ef0ba9b1f33a477ee173ecf
https://github.com/colesbury
colesburyhttps://github.com/colesbury
skip news https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22skip%20news%22
topic-free-threading https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atopic-free-threading
Feb 2, 2026https://github.com/python/cpython/pull/144407#event-22476558737
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Feb 2, 2026 https://github.com/python/cpython/pull/144407#ref-issue-3429494310
Poor thread scaling when constructing instances or accessing attributes #139103 https://github.com/python/cpython/issues/139103
https://github.com/colesbury
colesburyhttps://github.com/colesbury
Feb 2, 2026https://github.com/python/cpython/pull/144407#event-22476561168
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
Feb 2, 2026 https://github.com/python/cpython/pull/144407#pullrequestreview-3741748972
View reviewed changes https://github.com/python/cpython/pull/144407/files/42d8d7ee671208ae0ef0ba9b1f33a477ee173ecf
vstinnerhttps://github.com/vstinner
https://github.com/python/cpython/pull/144407#pullrequestreview-3741748972
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/144407
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
Feb 2, 2026https://github.com/python/cpython/pull/144407#event-22477498312
https://github.com/colesbury
colesburyhttps://github.com/colesbury
Feb 2, 2026https://github.com/python/cpython/pull/144407#issuecomment-3837532452
cpython/Objects/call.chttps://github.com/python/cpython/blob/29acc08c8dad664cd5713cb392e5beba65724c10/Objects/call.c#L133-L136
29acc08https://github.com/python/cpython/commit/29acc08c8dad664cd5713cb392e5beba65724c10
Please reload this pagehttps://github.com/python/cpython/pull/144407
https://github.com/colesbury
colesburyhttps://github.com/colesbury
February 2, 2026 21:44https://github.com/python/cpython/pull/144407#event-22477725608
https://github.com/colesbury
colesburyhttps://github.com/colesbury
markshannonhttps://github.com/markshannon
code ownerhttps://github.com/python/cpython/blob/29acc08c8dad664cd5713cb392e5beba65724c10/.github/CODEOWNERS#L210
February 2, 2026 21:44https://github.com/python/cpython/pull/144407#event-22477725767
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
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
Feb 2, 2026https://github.com/python/cpython/pull/144407#event-22477726429
https://github.com/colesbury
colesburyhttps://github.com/colesbury
79c43e7https://github.com/python/cpython/commit/79c43e7c249e61d959550c20f798a88c8829a8a8
Feb 3, 2026https://github.com/python/cpython/pull/144407#event-22504079376
Please reload this pagehttps://github.com/python/cpython/pull/144407
https://github.com/colesbury
colesburyhttps://github.com/colesbury
February 3, 2026 17:24https://github.com/python/cpython/pull/144407#event-22504080487
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
Feb 3, 2026https://github.com/python/cpython/pull/144407#event-22504080846
thunder-codinghttps://github.com/thunder-coding
Feb 15, 2026 https://github.com/python/cpython/pull/144407#ref-commit-07bd182
https://github.com/colesbury
https://github.com/thunder-coding
pythongh-139103https://github.com/python/cpython/issues/139103
: Use borrowed references for positional args in _PySt…https://github.com/thunder-coding/cpython/commit/07bd18291f10ad0202a207ac035750ca3e8faa26
07bd182https://github.com/thunder-coding/cpython/commit/07bd18291f10ad0202a207ac035750ca3e8faa26
pythongh-144407https://github.com/python/cpython/pull/144407
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
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%2F144407
https://github.com/vstinner
vstinner https://github.com/vstinner
https://github.com/python/cpython/pull/144407/files/42d8d7ee671208ae0ef0ba9b1f33a477ee173ecf
https://github.com/markshannon
markshannon https://github.com/markshannon
skip news https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22skip%20news%22
topic-free-threading https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atopic-free-threading
Please reload this pagehttps://github.com/python/cpython/pull/144407
https://github.com/colesbury
https://github.com/vstinner
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.