René's URL Explorer Experiment


Title: GH-117108: Set the "old space bit" to "visited" for all young objects by markshannon · Pull Request #117213 · python/cpython · GitHub

Open Graph Title: GH-117108: Set the "old space bit" to "visited" for all young objects by markshannon · Pull Request #117213 · python/cpython

X Title: GH-117108: Set the "old space bit" to "visited" for all young objects by markshannon · Pull Request #117213 · python/cpython

Description: When handling weakrefs, it is possible for objects to get moved from the young generation or pending old space in the visited old space. By setting the "old space bit" (bit 0 of _gc_next) to matche...

Open Graph Description: When handling weakrefs, it is possible for objects to get moved from the young generation or pending old space in the visited old space. By setting the "old space bit" (bit 0 of _gc_next)...

X Description: When handling weakrefs, it is possible for objects to get moved from the young generation or pending old space in the visited old space. By setting the "old space bit" (bit 0 of _...

Opengraph URL: https://github.com/python/cpython/pull/117213

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-noncev2:17f10318-12f4-39d5-8844-7fdbc351a0c4
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id9B74:A39F5:11EDBCF:1887976:696A9D1C
html-safe-nonceb17a616381927796b1b2e200cd00eb3796f682caab58637906c9f9d728b3dafc
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5Qjc0OkEzOUY1OjExRURCQ0Y6MTg4Nzk3Njo2OTZBOUQxQyIsInZpc2l0b3JfaWQiOiI5NzAzMTc3NzIwMzUzNjYxNzIiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac0dcdf4b46606fff61b61444eca2d5685ea1ff821644ef8c70f818d803eb6337b
hovercard-subject-tagpull_request:1789413087
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/117213/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/5974c1846dbc4060d8b9ad50a755cb20219df93682560b50a7a1c3ea6ec9b5a7/python/cpython/pull/117213
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/5974c1846dbc4060d8b9ad50a755cb20219df93682560b50a7a1c3ea6ec9b5a7/python/cpython/pull/117213
og:image:altWhen handling weakrefs, it is possible for objects to get moved from the young generation or pending old space in the visited old space. By setting the "old space bit" (bit 0 of _gc_next)...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamemarkshannon
hostnamegithub.com
expected-hostnamegithub.com
Nonec0d8175e41e0e55b9e984c935b24b808cabab919dd3174aa45dac3ef503ed1af
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
release99aab454e5ddc8df30805fb76c114c3008a15842
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/117213#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F117213
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%2F117213
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/117213
Reloadhttps://github.com/python/cpython/pull/117213
Reloadhttps://github.com/python/cpython/pull/117213
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/117213
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/117213
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/117213#issue-comment-box
vstinnerhttps://github.com/vstinner
python:mainhttps://github.com/python/cpython/tree/main
faster-cpython:fix-gc-young-old-spacehttps://github.com/faster-cpython/cpython/tree/fix-gc-young-old-space
GH-117108: Set the "old space bit" to "visited" for all young objects https://github.com/python/cpython/pull/117213#top
vstinnerhttps://github.com/vstinner
python:mainhttps://github.com/python/cpython/tree/main
faster-cpython:fix-gc-young-old-spacehttps://github.com/faster-cpython/cpython/tree/fix-gc-young-old-space
Conversation 6 https://github.com/python/cpython/pull/117213
Commits 3 https://github.com/python/cpython/pull/117213/commits
Checks 0 https://github.com/python/cpython/pull/117213/checks
Files changed 5 https://github.com/python/cpython/pull/117213/files
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Mar 25, 2024https://github.com/python/cpython/pull/117213#issue-2205739354
Please reload this pagehttps://github.com/python/cpython/pull/117213
Major slowdown on large listcomp #117108https://github.com/python/cpython/issues/117108
Please reload this pagehttps://github.com/python/cpython/pull/117213
markshannonhttps://github.com/markshannon
March 25, 2024 12:49https://github.com/python/cpython/pull/117213#commits-pushed-33fe22c
https://github.com/markshannon
Change old space bit of young objects from 0 to gcstate->visited_spac…https://github.com/python/cpython/pull/117213/commits/33fe22c5fd04fcbbaa6ea23e3ea7eb997b3a182a
33fe22chttps://github.com/python/cpython/pull/117213/commits/33fe22c5fd04fcbbaa6ea23e3ea7eb997b3a182a
https://github.com/markshannon
Add newshttps://github.com/python/cpython/pull/117213/commits/bc3431591d651fe3c111028212180f3d5154839d
bc34315https://github.com/python/cpython/pull/117213/commits/bc3431591d651fe3c111028212180f3d5154839d
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
Mar 25, 2024https://github.com/python/cpython/pull/117213#event-12234439240
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Mar 25, 2024 https://github.com/python/cpython/pull/117213#ref-issue-2198916355
Major slowdown on large listcomp #117108 https://github.com/python/cpython/issues/117108
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Mar 25, 2024 https://github.com/python/cpython/pull/117213#ref-pullrequest-2200098434
GH-117108: Change the size of the GC increment to about 1% of the total heap size. #117120 https://github.com/python/cpython/pull/117120
https://github.com/markshannon
markshannonhttps://github.com/markshannon
🔨 test-with-buildbots https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22%3Ahammer%3A%20test-with-buildbots%22
Mar 25, 2024https://github.com/python/cpython/pull/117213#event-12234705577
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
Mar 25, 2024https://github.com/python/cpython/pull/117213#issuecomment-2018013255
@markshannonhttps://github.com/markshannon
bc34315https://github.com/python/cpython/commit/bc3431591d651fe3c111028212180f3d5154839d
Please reload this pagehttps://github.com/python/cpython/pull/117213
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
🔨 test-with-buildbots https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22%3Ahammer%3A%20test-with-buildbots%22
Mar 25, 2024https://github.com/python/cpython/pull/117213#event-12234706515
https://github.com/gvanrossum
gvanrossumhttps://github.com/gvanrossum
Mar 25, 2024https://github.com/python/cpython/pull/117213#issuecomment-2018644759
buildbot failureshttps://github.com/python/cpython/issues/108362#issuecomment-2016583997
Please reload this pagehttps://github.com/python/cpython/pull/117213
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
Mar 26, 2024 https://github.com/python/cpython/pull/117213#ref-issue-2207540012
multiprocessing test_processes: test_thread_safety() fails with: Assertion failed: gc_list_is_empty(to) || gc_old_space(to_tail) == gc_old_space(from_tail) #117252 https://github.com/python/cpython/issues/117252
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
Mar 26, 2024https://github.com/python/cpython/pull/117213#issuecomment-2019799466
#108362 (comment)https://github.com/python/cpython/issues/108362#issuecomment-2016583997
gh-117252https://github.com/python/cpython/issues/117252
Please reload this pagehttps://github.com/python/cpython/pull/117213
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
Mar 26, 2024 https://github.com/python/cpython/pull/117213#pullrequestreview-1959642305
View reviewed changes https://github.com/python/cpython/pull/117213/files/bc3431591d651fe3c111028212180f3d5154839d
vstinnerhttps://github.com/vstinner
https://github.com/python/cpython/pull/117213#pullrequestreview-1959642305
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/117213
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
Mar 26, 2024https://github.com/python/cpython/pull/117213#event-12245934268
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
March 26, 2024 08:28https://github.com/python/cpython/pull/117213#event-12245955483
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
Mar 26, 2024https://github.com/python/cpython/pull/117213#issuecomment-2019814910
@markshannonhttps://github.com/markshannon
23e4f80https://github.com/python/cpython/commit/23e4f80ce2a2bac50acd1785e791316d5b578b8d
Please reload this pagehttps://github.com/python/cpython/pull/117213
https://github.com/markshannon
Merge branch 'main' into fix-gc-young-old-spacehttps://github.com/python/cpython/pull/117213/commits/bba8f31c52dc98c61c88557b4d227c63917c8d7d
bba8f31https://github.com/python/cpython/pull/117213/commits/bba8f31c52dc98c61c88557b4d227c63917c8d7d
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Mar 26, 2024https://github.com/python/cpython/pull/117213#issuecomment-2019964350
@vstinnerhttps://github.com/vstinner
Please reload this pagehttps://github.com/python/cpython/pull/117213
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
8bef34fhttps://github.com/python/cpython/commit/8bef34f625e21886b1c64544c060e19ee2e229bf
Mar 26, 2024https://github.com/python/cpython/pull/117213#event-12248257232
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
Mar 26, 2024https://github.com/python/cpython/pull/117213#event-12248257844
NGRsoftlabhttps://github.com/NGRsoftlab
Apr 2, 2024 https://github.com/python/cpython/pull/117213#ref-commit-1b5fe4c
https://github.com/ngr-ilmarh
Squashed commit of the following:https://github.com/NGRsoftlab/cpython/commit/1b5fe4cad096e32efee3a0477ef6f277ec2a2b96
1b5fe4chttps://github.com/NGRsoftlab/cpython/commit/1b5fe4cad096e32efee3a0477ef6f277ec2a2b96
NGRsoftlabhttps://github.com/NGRsoftlab
Apr 2, 2024 https://github.com/python/cpython/pull/117213#ref-commit-a016a54
https://github.com/ngr-ilmarh
Squashed commit of the following:https://github.com/NGRsoftlab/cpython/commit/a016a5413a6d8bd02939a6fb9afef90dbbb2fb54
a016a54https://github.com/NGRsoftlab/cpython/commit/a016a5413a6d8bd02939a6fb9afef90dbbb2fb54
diegorussohttps://github.com/diegorusso
Apr 17, 2024 https://github.com/python/cpython/pull/117213#ref-commit-6ca8a3e
https://github.com/markshannon
https://github.com/diegorusso
pythonGH-117108https://github.com/python/cpython/issues/117108
: Set the "old space bit" to "visited" for all young o…https://github.com/diegorusso/cpython/commit/6ca8a3e9ce8296a1c801a49d16d9b9b1792a4de4
6ca8a3ehttps://github.com/diegorusso/cpython/commit/6ca8a3e9ce8296a1c801a49d16d9b9b1792a4de4
python#117213https://github.com/python/cpython/pull/117213
https://github.com/markshannon
markshannonhttps://github.com/markshannon
August 6, 2024 10:18https://github.com/python/cpython/pull/117213#event-13776335236
Yhg1shttps://github.com/Yhg1s
Sep 29, 2024 https://github.com/python/cpython/pull/117213#ref-commit-2992289
https://github.com/Yhg1s
Revert "https://github.com/Yhg1s/cpython/commit/299228923496f6e69f6d73ccc2ebe8d78a528f8f
pythonGH-117108https://github.com/python/cpython/issues/117108
: Set the "old space bit" to "visited" for all…https://github.com/Yhg1s/cpython/commit/299228923496f6e69f6d73ccc2ebe8d78a528f8f
2992289https://github.com/Yhg1s/cpython/commit/299228923496f6e69f6d73ccc2ebe8d78a528f8f
python#117213https://github.com/python/cpython/pull/117213
8bef34fhttps://github.com/Yhg1s/cpython/commit/8bef34f625e21886b1c64544c060e19ee2e229bf
https://github.com/Yhg1s
Yhg1shttps://github.com/Yhg1s
Sep 29, 2024 https://github.com/python/cpython/pull/117213#ref-pullrequest-2555159725
[3.13] GH-124567: Revert the Incremental GC in 3.13 #124770 https://github.com/python/cpython/pull/124770
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%2F117213
https://github.com/vstinner
vstinner https://github.com/vstinner
https://github.com/python/cpython/pull/117213/files/bc3431591d651fe3c111028212180f3d5154839d
Please reload this pagehttps://github.com/python/cpython/pull/117213
https://github.com/markshannon
https://github.com/bedevere-bot
https://github.com/gvanrossum
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.