René's URL Explorer Experiment


Title: GH-117066: Tier 2 optimizer: Don't throw away good traces if we can't optimize them perfectly. by markshannon · Pull Request #117067 · python/cpython · GitHub

Open Graph Title: GH-117066: Tier 2 optimizer: Don't throw away good traces if we can't optimize them perfectly. by markshannon · Pull Request #117067 · python/cpython

X Title: GH-117066: Tier 2 optimizer: Don't throw away good traces if we can't optimize them perfectly. by markshannon · Pull Request #117067 · python/cpython

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

Open Graph Description: Increases the optimizer success ratio from less than 5% to over 98%, with only a very small reduction in mean executed trace length. From the stats: Base Count Base Ratio Head Count Head Ratio ...

X Description: Increases the optimizer success ratio from less than 5% to over 98%, with only a very small reduction in mean executed trace length. From the stats: Base Count Base Ratio Head Count Head Ratio ...

Opengraph URL: https://github.com/python/cpython/pull/117067

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:c3988297-c497-dcf3-0a73-fa56d4f7e75d
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idA718:2CBC5E:2FC642A:449C662:6A5679BE
html-safe-noncec4e192e7186206417e821d44d0f1deae388ae146519b1b92f919d433d57b2bff
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBNzE4OjJDQkM1RToyRkM2NDJBOjQ0OUM2NjI6NkE1Njc5QkUiLCJ2aXNpdG9yX2lkIjoiNjEwNjUzODE5OTE5NDQzMzk4MiIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmacdf0b30b9c93002892358c532d40b6c325aa4b2ce25707160e224fd2daea1d7d8
hovercard-subject-tagpull_request:1782118761
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/117067/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/49c9e01bfe531923dc6a42ef8c05a99e53bc2e108aa8428c169872527de1a688/python/cpython/pull/117067
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/49c9e01bfe531923dc6a42ef8c05a99e53bc2e108aa8428c169872527de1a688/python/cpython/pull/117067
og:image:altIncreases the optimizer success ratio from less than 5% to over 98%, with only a very small reduction in mean executed trace length. From the stats: Base Count Base Ratio Head Count Head Ratio ...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamemarkshannon
hostnamegithub.com
expected-hostnamegithub.com
None19b5ee9431dcfce15ab4b001d626e4e3a6ba1acb7be814813a52bbebd9a86ef5
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
releasefc131753d059926755b1ab26f13a2c96a692f5d7
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/117067#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F117067
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%2F117067
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/117067
Reloadhttps://github.com/python/cpython/pull/117067
Reloadhttps://github.com/python/cpython/pull/117067
Please reload this pagehttps://github.com/python/cpython/pull/117067
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/117067
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
markshannonhttps://github.com/markshannon
python:mainhttps://github.com/python/cpython/tree/main
faster-cpython:optimizer-trim-tracehttps://github.com/faster-cpython/cpython/tree/optimizer-trim-trace
Conversationhttps://github.com/python/cpython/pull/117067
Commits3 (3)https://github.com/python/cpython/pull/117067/commits
Checkshttps://github.com/python/cpython/pull/117067/checks
Files changedhttps://github.com/python/cpython/pull/117067/files
GH-117066: Tier 2 optimizer: Don't throw away good traces if we can't optimize them perfectly.https://github.com/python/cpython/pull/117067#top
markshannonhttps://github.com/markshannon
python:mainhttps://github.com/python/cpython/tree/main
faster-cpython:optimizer-trim-tracehttps://github.com/faster-cpython/cpython/tree/optimizer-trim-trace
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Mar 20, 2024https://github.com/python/cpython/pull/117067#issue-2197548750
Please reload this pagehttps://github.com/python/cpython/pull/117067
statshttps://github.com/faster-cpython/benchmarking-public/blob/main/results/bm-20240319-3.13.0a5%2B-f012ce0-PYTHON_UOPS/bm-20240319-azure-x86_64-faster%252dcpython-optimizer_trim_trace-3.13.0a5%2B-f012ce0-pystats-vs-base.md
Repeated optimizations in tier 2, due to the optimizer "failing" when it cannot optimize perfectly. #117066https://github.com/python/cpython/issues/117066
Please reload this pagehttps://github.com/python/cpython/pull/117067
https://github.com/markshannon
Tier 2 optimizer: Don't throw away good traces if we can't optimize t…https://github.com/python/cpython/pull/117067/commits/711d7e760eee64bfe1ae591eb3dc1a0e5b8f713c
711d7e7https://github.com/python/cpython/pull/117067/commits/711d7e760eee64bfe1ae591eb3dc1a0e5b8f713c
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Fidget-Spinnerhttps://github.com/Fidget-Spinner
code ownerhttps://github.com/python/cpython/blob/8182319de33a9519a2f243ac8c35a20ef82a4d2d/.github/CODEOWNERS#L40
March 20, 2024 13:33https://github.com/python/cpython/pull/117067#event-12184931976
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 20, 2024https://github.com/python/cpython/pull/117067#event-12184942842
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Mar 20, 2024 https://github.com/python/cpython/pull/117067#ref-issue-2197529281
Repeated optimizations in tier 2, due to the optimizer "failing" when it cannot optimize perfectly. #117066 https://github.com/python/cpython/issues/117066
markshannonhttps://github.com/markshannon
March 20, 2024 14:10https://github.com/python/cpython/pull/117067#commits-pushed-db050c0
https://github.com/markshannon
Revert behavior on finding a type contradiction, and improve commenthttps://github.com/python/cpython/pull/117067/commits/db050c0408dcb23e3eccb034643b01c148927f25
db050c0https://github.com/python/cpython/pull/117067/commits/db050c0408dcb23e3eccb034643b01c148927f25
https://github.com/markshannon
Don't forget to clean uphttps://github.com/python/cpython/pull/117067/commits/6710f70e016ebc10697ff1790c8f9de7ec046dc9
6710f70https://github.com/python/cpython/pull/117067/commits/6710f70e016ebc10697ff1790c8f9de7ec046dc9
https://github.com/markshannon
markshannonhttps://github.com/markshannon
skip news https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22skip%20news%22
Mar 20, 2024https://github.com/python/cpython/pull/117067#event-12185582334
https://github.com/gvanrossum
gvanrossumhttps://github.com/gvanrossum
Mar 20, 2024 https://github.com/python/cpython/pull/117067#pullrequestreview-1949540511
View reviewed changes https://github.com/python/cpython/pull/117067/files/6710f70e016ebc10697ff1790c8f9de7ec046dc9
gvanrossumhttps://github.com/gvanrossum
https://github.com/python/cpython/pull/117067#pullrequestreview-1949540511
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/117067
Python/optimizer_analysis.chttps://github.com/python/cpython/pull/117067/files/6710f70e016ebc10697ff1790c8f9de7ec046dc9#diff-eac5ab7e741b8b825a24d31a5bf844e86086431fb698cfcabe1277b68c375ca2
Please reload this pagehttps://github.com/python/cpython/pull/117067
Python/optimizer_bytecodes.chttps://github.com/python/cpython/pull/117067/files/6710f70e016ebc10697ff1790c8f9de7ec046dc9#diff-e5bd2b14b0b10f0f47786e26306d689ed1361c3dc3b11dcc3ea52b8a2422ff64
Please reload this pagehttps://github.com/python/cpython/pull/117067
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 20, 2024https://github.com/python/cpython/pull/117067#event-12188461014
https://github.com/markshannon
markshannonhttps://github.com/markshannon
63289b9https://github.com/python/cpython/commit/63289b9dfbc7d87e81f1517422ee91b6b6d19531
Mar 20, 2024https://github.com/python/cpython/pull/117067#event-12189469256
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 20, 2024https://github.com/python/cpython/pull/117067#event-12189469851
adorilsonhttps://github.com/adorilson
Mar 25, 2024 https://github.com/python/cpython/pull/117067#ref-commit-ec22eb9
https://github.com/markshannon
https://github.com/adorilson
pythonGH-117066https://github.com/python/cpython/issues/117066
: Tier 2 optimizer: Don't throw away good traces if we…https://github.com/adorilson/cpython/commit/ec22eb957de17cfb92d06f166d9c3e3ee2b31f1c
ec22eb9https://github.com/adorilson/cpython/commit/ec22eb957de17cfb92d06f166d9c3e3ee2b31f1c
pythonGH-117067https://github.com/python/cpython/pull/117067
NGRsoftlabhttps://github.com/NGRsoftlab
Apr 2, 2024 https://github.com/python/cpython/pull/117067#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/117067#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/117067#ref-commit-b3811e3
https://github.com/markshannon
https://github.com/diegorusso
pythonGH-117066https://github.com/python/cpython/issues/117066
: Tier 2 optimizer: Don't throw away good traces if we…https://github.com/diegorusso/cpython/commit/b3811e360df28554f56dbc654088b1272a52713a
b3811e3https://github.com/diegorusso/cpython/commit/b3811e360df28554f56dbc654088b1272a52713a
pythonGH-117067https://github.com/python/cpython/pull/117067
https://github.com/markshannon
markshannonhttps://github.com/markshannon
August 6, 2024 10:18https://github.com/python/cpython/pull/117067#event-13776334317
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%2F117067
https://github.com/gvanrossum
gvanrossum https://github.com/gvanrossum
https://github.com/python/cpython/pull/117067/files/6710f70e016ebc10697ff1790c8f9de7ec046dc9
https://github.com/Fidget-Spinner
Fidget-Spinner https://github.com/Fidget-Spinner
skip news https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22skip%20news%22
Please reload this pagehttps://github.com/python/cpython/pull/117067
https://github.com/markshannon
https://github.com/gvanrossum
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.