René's URL Explorer Experiment


Title: bpo-30416: Protect the optimizer during constant folding. by serhiy-storchaka · Pull Request #4860 · python/cpython · GitHub

Open Graph Title: bpo-30416: Protect the optimizer during constant folding. by serhiy-storchaka · Pull Request #4860 · python/cpython

X Title: bpo-30416: Protect the optimizer during constant folding. by serhiy-storchaka · Pull Request #4860 · python/cpython

Description: It no longer spends much time doing complex calculations and no longer consumes much memory for creating large constants that will be dropped later. This fixes also bpo-21074. https://bugs.python....

Open Graph Description: It no longer spends much time doing complex calculations and no longer consumes much memory for creating large constants that will be dropped later. This fixes also bpo-21074. https://bugs.python....

X Description: It no longer spends much time doing complex calculations and no longer consumes much memory for creating large constants that will be dropped later. This fixes also bpo-21074. https://bugs.python....

Opengraph URL: https://github.com/python/cpython/pull/4860

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-noncev2:4fe6b222-4d26-7eea-7d9d-5505c4636e1a
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idC59E:3BAB6B:203563:2A925F:696B00B8
html-safe-nonce2e6100e270d5e4df0a97f0e0451365d25bf5e3c88f29fa2aebbcdc32a11d3f13
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDNTlFOjNCQUI2QjoyMDM1NjM6MkE5MjVGOjY5NkIwMEI4IiwidmlzaXRvcl9pZCI6IjY4Mjc4MTg0MzI1OTA0NDY3NzYiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmacace73aefff12da930e31a0f625fe6948978fece4612715344dbb48cab3f008e7
hovercard-subject-tagpull_request:158316867
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/4860/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/ac731049f3bea57ff40fd020c08c2cc2562c70483c0e9247c76bf85bc068e776/python/cpython/pull/4860
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/ac731049f3bea57ff40fd020c08c2cc2562c70483c0e9247c76bf85bc068e776/python/cpython/pull/4860
og:image:altIt no longer spends much time doing complex calculations and no longer consumes much memory for creating large constants that will be dropped later. This fixes also bpo-21074. https://bugs.python....
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameserhiy-storchaka
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/4860#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F4860
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%2F4860
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/4860
Reloadhttps://github.com/python/cpython/pull/4860
Reloadhttps://github.com/python/cpython/pull/4860
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/4860
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/4860
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/4860#issue-comment-box
serhiy-storchakahttps://github.com/serhiy-storchaka
python:masterhttps://github.com/python/cpython/tree/master
serhiy-storchaka:safe-const-foldinghttps://github.com/serhiy-storchaka/cpython/tree/safe-const-folding
bpo-30416: Protect the optimizer during constant folding. https://github.com/python/cpython/pull/4860#top
serhiy-storchakahttps://github.com/serhiy-storchaka
python:masterhttps://github.com/python/cpython/tree/master
serhiy-storchaka:safe-const-foldinghttps://github.com/serhiy-storchaka/cpython/tree/safe-const-folding
Conversation 15 https://github.com/python/cpython/pull/4860
Commits 5 https://github.com/python/cpython/pull/4860/commits
Checks 0 https://github.com/python/cpython/pull/4860/checks
Files changed https://github.com/python/cpython/pull/4860/files
Please reload this pagehttps://github.com/python/cpython/pull/4860
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
https://github.com/serhiy-storchaka
serhiy-storchakahttps://github.com/serhiy-storchaka
Dec 14, 2017https://github.com/python/cpython/pull/4860#issue-282047825
Please reload this pagehttps://github.com/python/cpython/pull/4860
bpo-21074https://bugs.python.org/issue?@action=redirect&bpo=21074
https://bugs.python.org/issue30416https://bugs.python.org/issue30416
Please reload this pagehttps://github.com/python/cpython/pull/4860
https://github.com/serhiy-storchaka
bpo-30416: Protect the optimizer during constant folding.https://github.com/python/cpython/pull/4860/commits/68f097d1ee7f96fd6fa2fbcb2778b7638dcacdcd
68f097dhttps://github.com/python/cpython/pull/4860/commits/68f097d1ee7f96fd6fa2fbcb2778b7638dcacdcd
https://github.com/serhiy-storchaka
serhiy-storchakahttps://github.com/serhiy-storchaka
methanehttps://github.com/methane
December 14, 2017 10:17https://github.com/python/cpython/pull/4860#event-1387373739
https://github.com/the-knights-who-say-ni
the-knights-who-say-nihttps://github.com/the-knights-who-say-ni
CLA signed https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22CLA%20signed%22
Dec 14, 2017https://github.com/python/cpython/pull/4860#event-1387373813
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
Dec 14, 2017https://github.com/python/cpython/pull/4860#event-1387373815
https://github.com/serhiy-storchaka
Fix tests.https://github.com/python/cpython/pull/4860/commits/5ded1400f3120dcebf2bdd7ba59807b61be7043a
5ded140https://github.com/python/cpython/pull/4860/commits/5ded1400f3120dcebf2bdd7ba59807b61be7043a
https://github.com/methane
methanehttps://github.com/methane
Dec 14, 2017 https://github.com/python/cpython/pull/4860#pullrequestreview-83462989
View reviewed changes https://github.com/python/cpython/pull/4860/files/5ded1400f3120dcebf2bdd7ba59807b61be7043a
methanehttps://github.com/methane
https://github.com/python/cpython/pull/4860#pullrequestreview-83462989
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
https://github.com/serhiy-storchaka
serhiy-storchakahttps://github.com/serhiy-storchaka
rhettingerhttps://github.com/rhettinger
December 14, 2017 10:55https://github.com/python/cpython/pull/4860#event-1387439097
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
Dec 14, 2017 https://github.com/python/cpython/pull/4860#pullrequestreview-83504018
View reviewed changes https://github.com/python/cpython/pull/4860/files/5ded1400f3120dcebf2bdd7ba59807b61be7043a
vstinnerhttps://github.com/vstinner
https://github.com/python/cpython/pull/4860#pullrequestreview-83504018
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
@serhiy-storchakahttps://github.com/serhiy-storchaka
Please reload this pagehttps://github.com/python/cpython/pull/4860
Python/ast_opt.chttps://github.com/python/cpython/pull/4860/files/5ded1400f3120dcebf2bdd7ba59807b61be7043a#diff-7a65e647c7985eb08fdefdab01ccdd2505c86ecdee2fa856fc9627c552ded146
vstinnerhttps://github.com/vstinner
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156944790
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
serhiy-storchakahttps://github.com/serhiy-storchaka
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156966376
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
Python/ast_opt.chttps://github.com/python/cpython/pull/4860/files/5ded1400f3120dcebf2bdd7ba59807b61be7043a#diff-7a65e647c7985eb08fdefdab01ccdd2505c86ecdee2fa856fc9627c552ded146
vstinnerhttps://github.com/vstinner
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156944825
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
serhiy-storchakahttps://github.com/serhiy-storchaka
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156966487
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
Python/ast_opt.chttps://github.com/python/cpython/pull/4860/files/5ded1400f3120dcebf2bdd7ba59807b61be7043a#diff-7a65e647c7985eb08fdefdab01ccdd2505c86ecdee2fa856fc9627c552ded146
vstinnerhttps://github.com/vstinner
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156945005
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
serhiy-storchakahttps://github.com/serhiy-storchaka
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156967897
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
bpo-30416https://bugs.python.org/issue?@action=redirect&bpo=30416
Please reload this pagehttps://github.com/python/cpython/pull/4860
vstinnerhttps://github.com/vstinner
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156973358
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
serhiy-storchakahttps://github.com/serhiy-storchaka
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156985252
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
vstinnerhttps://github.com/vstinner
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r157016084
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
serhiy-storchakahttps://github.com/serhiy-storchaka
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r157021501
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
Python/ast_opt.chttps://github.com/python/cpython/pull/4860/files/5ded1400f3120dcebf2bdd7ba59807b61be7043a#diff-7a65e647c7985eb08fdefdab01ccdd2505c86ecdee2fa856fc9627c552ded146
vstinnerhttps://github.com/vstinner
Dec 14, 2017https://github.com/python/cpython/pull/4860#discussion_r156945417
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/4860
serhiy-storchakahttps://github.com/serhiy-storchaka
December 14, 2017 17:24https://github.com/python/cpython/pull/4860#commits-pushed-87b1b2b
https://github.com/serhiy-storchaka
Address review comments.https://github.com/python/cpython/pull/4860/commits/87b1b2b1cfe62123369e67b72a8c05bb131bcf9b
87b1b2bhttps://github.com/python/cpython/pull/4860/commits/87b1b2b1cfe62123369e67b72a8c05bb131bcf9b
https://github.com/serhiy-storchaka
Tweak limits.https://github.com/python/cpython/pull/4860/commits/86326ee3a315ce4651dfb9f088e38fa0ba8aaa72
86326eehttps://github.com/python/cpython/pull/4860/commits/86326ee3a315ce4651dfb9f088e38fa0ba8aaa72
https://github.com/serhiy-storchaka
Merge branch 'master' into safe-const-foldinghttps://github.com/python/cpython/pull/4860/commits/509f3d9a48bc75739a588f9d1e40eab24ae43d40
509f3d9https://github.com/python/cpython/pull/4860/commits/509f3d9a48bc75739a588f9d1e40eab24ae43d40
https://github.com/vstinner
vstinnerhttps://github.com/vstinner
Dec 14, 2017https://github.com/python/cpython/pull/4860#issuecomment-351809102
Please reload this pagehttps://github.com/python/cpython/pull/4860
https://github.com/serhiy-storchaka
serhiy-storchakahttps://github.com/serhiy-storchaka
Dec 14, 2017https://github.com/python/cpython/pull/4860#issuecomment-351829351
Please reload this pagehttps://github.com/python/cpython/pull/4860
https://github.com/serhiy-storchaka
serhiy-storchakahttps://github.com/serhiy-storchaka
2e3f570https://github.com/python/cpython/commit/2e3f5701858d1fc04caedefdd9a8ea43810270d2
Dec 15, 2017https://github.com/python/cpython/pull/4860#event-1389501672
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
Dec 15, 2017https://github.com/python/cpython/pull/4860#event-1389501720
https://github.com/serhiy-storchaka
serhiy-storchakahttps://github.com/serhiy-storchaka
December 15, 2017 12:11https://github.com/python/cpython/pull/4860#event-1389501757
https://github.com/WolframAlph
WolframAlphhttps://github.com/WolframAlph
Feb 19, 2025 https://github.com/python/cpython/pull/4860#ref-pullrequest-2825298831
gh-126835: Move constant unaryop & binop folding to CFG #129550 https://github.com/python/cpython/pull/129550
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%2F4860
https://github.com/vstinner
vstinner https://github.com/vstinner
https://github.com/python/cpython/pull/4860/files/5ded1400f3120dcebf2bdd7ba59807b61be7043a
https://github.com/methane
methane https://github.com/methane
https://github.com/python/cpython/pull/4860/files/5ded1400f3120dcebf2bdd7ba59807b61be7043a
https://github.com/rhettinger
rhettinger https://github.com/rhettinger
Please reload this pagehttps://github.com/python/cpython/pull/4860
https://github.com/serhiy-storchaka
https://github.com/vstinner
https://github.com/methane
https://github.com/the-knights-who-say-ni
https://github.com/bedevere-bot
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.