René's URL Explorer Experiment


Title: bpo-43760: Check for tracing using 'bitwise or' instead of branch in dispatch. by markshannon · Pull Request #28723 · python/cpython · GitHub

Open Graph Title: bpo-43760: Check for tracing using 'bitwise or' instead of branch in dispatch. by markshannon · Pull Request #28723 · python/cpython

X Title: bpo-43760: Check for tracing using 'bitwise or' instead of branch in dispatch. by markshannon · Pull Request #28723 · python/cpython

Description: About 1% faster Use bitwise or instead of additional jump to handle tracing in dispatch. What was: if (use_tracing) goto tracing_dispatch goto *jump_table[opcode]; becomes: got...

Open Graph Description: About 1% faster Use bitwise or instead of additional jump to handle tracing in dispatch. What was: if (use_tracing) goto tracing_dispatch goto *jump_table[opcode]; becomes: got...

X Description: About 1% faster Use bitwise or instead of additional jump to handle tracing in dispatch. What was: if (use_tracing) goto tracing_dispatch goto *jump_table[opcode]; becomes: got...

Opengraph URL: https://github.com/python/cpython/pull/28723

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-noncev2:81ee6d31-5983-9883-d882-ffbc7343af37
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idE7AC:3CA8DF:10A4988:15D278E:696B6F86
html-safe-noncea69adccc2bb8e424d3c9e3cde486afacce53ceb7fab26fe1a7c442df93d74b5b
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJFN0FDOjNDQThERjoxMEE0OTg4OjE1RDI3OEU6Njk2QjZGODYiLCJ2aXNpdG9yX2lkIjoiNzU3MTE0MTE2ODMwOTQzMjE5OCIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac4aa99239be8b184812bae6d73d219e7a748014105629c18ced5b8c33f2a930d6
hovercard-subject-tagpull_request:749017246
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/28723/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/d2f355d53a61e2a23b399d1e2e64d290ddab0240ede2ef61aceec42af34c32ec/python/cpython/pull/28723
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/d2f355d53a61e2a23b399d1e2e64d290ddab0240ede2ef61aceec42af34c32ec/python/cpython/pull/28723
og:image:altAbout 1% faster Use bitwise or instead of additional jump to handle tracing in dispatch. What was: if (use_tracing) goto tracing_dispatch goto *jump_table[opcode]; becomes: got...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamemarkshannon
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/28723#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F28723
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%2F28723
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/28723
Reloadhttps://github.com/python/cpython/pull/28723
Reloadhttps://github.com/python/cpython/pull/28723
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/28723
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/28723
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/28723#issue-comment-box
markshannonhttps://github.com/markshannon
python:mainhttps://github.com/python/cpython/tree/main
faster-cpython:use-tracing-bitwisehttps://github.com/faster-cpython/cpython/tree/use-tracing-bitwise
bpo-43760: Check for tracing using 'bitwise or' instead of branch in dispatch. https://github.com/python/cpython/pull/28723#top
markshannonhttps://github.com/markshannon
python:mainhttps://github.com/python/cpython/tree/main
faster-cpython:use-tracing-bitwisehttps://github.com/faster-cpython/cpython/tree/use-tracing-bitwise
Conversation 2 https://github.com/python/cpython/pull/28723
Commits 4 https://github.com/python/cpython/pull/28723/commits
Checks 0 https://github.com/python/cpython/pull/28723/checks
Files changed https://github.com/python/cpython/pull/28723/files
Please reload this pagehttps://github.com/python/cpython/pull/28723
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Oct 4, 2021https://github.com/python/cpython/pull/28723#issue-1015277462
Please reload this pagehttps://github.com/python/cpython/pull/28723
1% fasterhttps://gist.github.com/markshannon/1a53db698270c31dad1f033adb8e9682
https://bugs.python.org/issue43760https://bugs.python.org/issue43760
Please reload this pagehttps://github.com/python/cpython/pull/28723
markshannonhttps://github.com/markshannon
October 4, 2021 12:10https://github.com/python/cpython/pull/28723#commits-pushed-d98c170
https://github.com/markshannon
Check for tracing using 'bitwise or' instead of branch in dispatch.https://github.com/python/cpython/pull/28723/commits/d98c170120205898abd387a4ec3ed68d5207c61e
d98c170https://github.com/python/cpython/pull/28723/commits/d98c170120205898abd387a4ec3ed68d5207c61e
https://github.com/markshannon
Restore dtrace supoort.https://github.com/python/cpython/pull/28723/commits/65f42c4bc7497a96836430097e9df6dc0bd992d8
65f42c4https://github.com/python/cpython/pull/28723/commits/65f42c4bc7497a96836430097e9df6dc0bd992d8
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
awaiting core review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
Oct 4, 2021https://github.com/python/cpython/pull/28723#event-5404572701
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
Oct 4, 2021https://github.com/python/cpython/pull/28723#event-5404572756
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Oct 4, 2021 https://github.com/python/cpython/pull/28723#ref-pullrequest-1006266737
bpo-43760: Add PyThreadState_EnterTracing() #28542 https://github.com/python/cpython/pull/28542
https://github.com/markshannon
Add NEWShttps://github.com/python/cpython/pull/28723/commits/a9ff90457fe3f0d3268ed7953b215bd358da3aa6
a9ff904https://github.com/python/cpython/pull/28723/commits/a9ff90457fe3f0d3268ed7953b215bd358da3aa6
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
Oct 4, 2021https://github.com/python/cpython/pull/28723#event-5405063415
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
Oct 4, 2021https://github.com/python/cpython/pull/28723#issuecomment-933626376
@markshannonhttps://github.com/markshannon
a9ff904https://github.com/python/cpython/commit/a9ff90457fe3f0d3268ed7953b215bd358da3aa6
Please reload this pagehttps://github.com/python/cpython/pull/28723
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
Oct 4, 2021https://github.com/python/cpython/pull/28723#event-5405063718
https://github.com/markshannon
Remove artifacts from NEWS entry.https://github.com/python/cpython/pull/28723/commits/e8df4ed4a4c719a3641a4ad442641f35972ecefb
e8df4edhttps://github.com/python/cpython/pull/28723/commits/e8df4ed4a4c719a3641a4ad442641f35972ecefb
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Oct 5, 2021https://github.com/python/cpython/pull/28723#issuecomment-934230528
Please reload this pagehttps://github.com/python/cpython/pull/28723
https://github.com/markshannon
markshannonhttps://github.com/markshannon
bd627ebhttps://github.com/python/cpython/commit/bd627eb7ed08a891dd1356756feb1ce2600358e4
Oct 5, 2021https://github.com/python/cpython/pull/28723#event-5409578765
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
awaiting core review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
Oct 5, 2021https://github.com/python/cpython/pull/28723#event-5409579053
https://github.com/markshannon
markshannonhttps://github.com/markshannon
October 5, 2021 10:01https://github.com/python/cpython/pull/28723#event-5409579564
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Oct 5, 2021 https://github.com/python/cpython/pull/28723#ref-pullrequest-1015851104
bpo-45367: Specialize BINARY_MULTIPLY #28727 https://github.com/python/cpython/pull/28727
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Sep 13, 2022 https://github.com/python/cpython/pull/28723#ref-issue-1199056144
The DISPATCH() macro is not as efficient as it could be (move PyThreadState.use_tracing) #87926 https://github.com/python/cpython/issues/87926
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%2F28723
Please reload this pagehttps://github.com/python/cpython/pull/28723
https://github.com/markshannon
https://github.com/bedevere-bot
https://github.com/the-knights-who-say-ni
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.