René's URL Explorer Experiment


Title: Incremental "mark alive" pass for cyclic GC by nascheme · Pull Request #126511 · python/cpython · GitHub

Open Graph Title: Incremental "mark alive" pass for cyclic GC by nascheme · Pull Request #126511 · python/cpython

X Title: Incremental "mark alive" pass for cyclic GC by nascheme · Pull Request #126511 · python/cpython

Description: This adds a "mark alive" pass to the cyclic GC, done incrementally in order to reduce pause times for full GC collections. The "mark alive" pass works by starting from known GC roots and then usin...

Open Graph Description: This adds a "mark alive" pass to the cyclic GC, done incrementally in order to reduce pause times for full GC collections. The "mark alive" pass works by starting from known GC...

X Description: This adds a "mark alive" pass to the cyclic GC, done incrementally in order to reduce pause times for full GC collections. The "mark alive" pass works by starti...

Opengraph URL: https://github.com/python/cpython/pull/126511

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:d8aa9f9f-b8af-990d-f894-75825eebcd42
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idB928:16403E:665651:867A67:696BA71B
html-safe-nonced0f40e8e09e28447b134868f0bcb3b7895e89be25d203a44b45fb8be12fb6eca
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJCOTI4OjE2NDAzRTo2NjU2NTE6ODY3QTY3OjY5NkJBNzFCIiwidmlzaXRvcl9pZCI6Ijg4NjkwODE1MzA3MDExNjIyNjciLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac95d8f125f9b5089d02ee51fecfd5b9a63f1383c061ee07d1358e1a9144567a88
hovercard-subject-tagpull_request:2165866928
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/126511/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/8412eaa4706bb109b60c943fca07fd35b62a8d580c5daddd820df26802fe7c37/python/cpython/pull/126511
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/8412eaa4706bb109b60c943fca07fd35b62a8d580c5daddd820df26802fe7c37/python/cpython/pull/126511
og:image:altThis adds a "mark alive" pass to the cyclic GC, done incrementally in order to reduce pause times for full GC collections. The "mark alive" pass works by starting from known GC...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamenascheme
hostnamegithub.com
expected-hostnamegithub.com
None5f99f7c1d70f01da5b93e5ca90303359738944d8ab470e396496262c66e60b8d
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
release82560a55c6b2054555076f46e683151ee28a19bc
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/126511#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F126511
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%2F126511
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/126511
Reloadhttps://github.com/python/cpython/pull/126511
Reloadhttps://github.com/python/cpython/pull/126511
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/126511
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/126511
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/126511#issue-comment-box
naschemehttps://github.com/nascheme
python:3.13https://github.com/python/cpython/tree/3.13
nascheme:gc_mark_alive_inchttps://github.com/nascheme/cpython/tree/gc_mark_alive_inc
Incremental "mark alive" pass for cyclic GC https://github.com/python/cpython/pull/126511#top
naschemehttps://github.com/nascheme
python:3.13https://github.com/python/cpython/tree/3.13
nascheme:gc_mark_alive_inchttps://github.com/nascheme/cpython/tree/gc_mark_alive_inc
Conversation 2 https://github.com/python/cpython/pull/126511
Commits 7 https://github.com/python/cpython/pull/126511/commits
Checks 0 https://github.com/python/cpython/pull/126511/checks
Files changed https://github.com/python/cpython/pull/126511/files
Please reload this pagehttps://github.com/python/cpython/pull/126511
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
https://github.com/nascheme
naschemehttps://github.com/nascheme
Nov 6, 2024https://github.com/python/cpython/pull/126511#issue-2638939616
Please reload this pagehttps://github.com/python/cpython/pull/126511
gh-124772https://github.com/python/cpython/pull/124772
Please reload this pagehttps://github.com/python/cpython/pull/126511
naschemehttps://github.com/nascheme
October 19, 2024 10:40https://github.com/python/cpython/pull/126511#commits-pushed-bbbe019
https://github.com/nascheme
wip: mark alive with listhttps://github.com/python/cpython/pull/126511/commits/bbbe0191334a5440fa39d471bfaa98fe89c562a8
bbbe019https://github.com/python/cpython/pull/126511/commits/bbbe0191334a5440fa39d471bfaa98fe89c562a8
https://github.com/nascheme
wip: progresshttps://github.com/python/cpython/pull/126511/commits/49400976680828e31d5be7bb070d9c100cdd475e
4940097https://github.com/python/cpython/pull/126511/commits/49400976680828e31d5be7bb070d9c100cdd475e
https://github.com/nascheme
wip: workinghttps://github.com/python/cpython/pull/126511/commits/84d405374524989ef91328c5aaab5942cc282541
84d4053https://github.com/python/cpython/pull/126511/commits/84d405374524989ef91328c5aaab5942cc282541
https://github.com/nascheme
wip: add timing statshttps://github.com/python/cpython/pull/126511/commits/4f69eadbb30122329b857fd7d44ff7307acb5268
4f69eadhttps://github.com/python/cpython/pull/126511/commits/4f69eadbb30122329b857fd7d44ff7307acb5268
https://github.com/nascheme
wip: improve commentshttps://github.com/python/cpython/pull/126511/commits/04c2dbfc39ca972e50f99e03934b89cccb4c36bd
04c2dbfhttps://github.com/python/cpython/pull/126511/commits/04c2dbfc39ca972e50f99e03934b89cccb4c36bd
https://github.com/nascheme
wip: add timing stats for full collectionshttps://github.com/python/cpython/pull/126511/commits/ec98e5785969e69c365b394d04622b48540d11c1
ec98e57https://github.com/python/cpython/pull/126511/commits/ec98e5785969e69c365b394d04622b48540d11c1
https://github.com/nascheme
Add WITH_GC_MARK_ALIVE and WITH_GC_TIMING_STATShttps://github.com/python/cpython/pull/126511/commits/12ceba2e6ed365b1204141a9121b4adb6232fcd8
12ceba2https://github.com/python/cpython/pull/126511/commits/12ceba2e6ed365b1204141a9121b4adb6232fcd8
https://github.com/nascheme
naschemehttps://github.com/nascheme
type-feature https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-feature
DO-NOT-MERGE https://github.com/python/cpython/issues?q=state%3Aopen%20label%3ADO-NOT-MERGE
interpreter-core https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Ainterpreter-core
Nov 6, 2024https://github.com/python/cpython/pull/126511#event-15156153425
https://github.com/nascheme
naschemehttps://github.com/nascheme
ericsnowcurrentlyhttps://github.com/ericsnowcurrently
pablogsalhttps://github.com/pablogsal
code ownershttps://github.com/python/cpython/blob/83827ad81972e8e6438a29274dbdcb923d7b1cc4/.github/CODEOWNERS#L51
November 6, 2024 18:48https://github.com/python/cpython/pull/126511#event-15156153579
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
Nov 6, 2024https://github.com/python/cpython/pull/126511#event-15156154411
https://github.com/nascheme
naschemehttps://github.com/nascheme
Nov 6, 2024 https://github.com/python/cpython/pull/126511#ref-issue-2637923216
Mark all objects reachable from roots as live before doing main cyclic GC pass #126491 https://github.com/python/cpython/issues/126491
https://github.com/nascheme
naschemehttps://github.com/nascheme
November 6, 2024 23:57https://github.com/python/cpython/pull/126511#event-15162785905
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
Nov 6, 2024https://github.com/python/cpython/pull/126511#event-15162787100
https://github.com/ericsnowcurrently
ericsnowcurrentlyhttps://github.com/ericsnowcurrently
Nov 11, 2024https://github.com/python/cpython/pull/126511#issuecomment-2469181452
@DinoVhttps://github.com/DinoV
@markshannonhttps://github.com/markshannon
Please reload this pagehttps://github.com/python/cpython/pull/126511
https://github.com/nascheme
naschemehttps://github.com/nascheme
Apr 28, 2025https://github.com/python/cpython/pull/126511#issuecomment-2836509804
GH-127110https://github.com/python/cpython/pull/127110
GH-128808https://github.com/python/cpython/pull/128808
Please reload this pagehttps://github.com/python/cpython/pull/126511
https://github.com/nascheme
naschemehttps://github.com/nascheme
Apr 28, 2025https://github.com/python/cpython/pull/126511#event-17441797211
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%2F126511
https://github.com/pablogsal
pablogsal https://github.com/pablogsal
https://github.com/ericsnowcurrently
ericsnowcurrently https://github.com/ericsnowcurrently
DO-NOT-MERGE https://github.com/python/cpython/issues?q=state%3Aopen%20label%3ADO-NOT-MERGE
interpreter-core https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Ainterpreter-core
type-feature https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-feature
Please reload this pagehttps://github.com/python/cpython/pull/126511
https://github.com/nascheme
https://github.com/ericsnowcurrently
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.