René's URL Explorer Experiment


Title: cuda.core: close the old buffer when a VMM grow moves the mapping by Andy-Jost · Pull Request #2880 · NVIDIA/cuda-python · GitHub

Open Graph Title: cuda.core: close the old buffer when a VMM grow moves the mapping by Andy-Jost · Pull Request #2880 · NVIDIA/cuda-python

X Title: cuda.core: close the old buffer when a VMM grow moves the mapping by Andy-Jost · Pull Request #2880 · NVIDIA/cuda-python

Description: CUDA Python: Performance meets Productivity. Contribute to NVIDIA/cuda-python development by creating an account on GitHub.

Open Graph Description: Summary Fixes #2877. The slow path of VirtualMemoryResource.modify_allocation() unmapped the old VA range, remapped the physical memory into the new range, freed the old reservation by hand, and th...

X Description: Summary Fixes #2877. The slow path of VirtualMemoryResource.modify_allocation() unmapped the old VA range, remapped the physical memory into the new range, freed the old reservation by hand, and th...

Opengraph URL: https://github.com/NVIDIA/cuda-python/pull/2880

X: @github

direct link

Domain: github.com

react-profiling0
react-import-mapreact,react-dom,react-dom/client,react-dom/profiling,react-is,react-reconciler,react/compiler-runtime,react/jsx-dev-runtime,react/jsx-runtime,scheduler@d5750093facf
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-noncev2:512a949a-ce42-384d-7795-af311c18a718
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id9D78:271C3C:358A00:4959C6:6AF838AC
html-safe-nonce7971dd104a5afc0d1de4875c1a88b57fea78cf35db80c1653f1d0ba6d9398ee4
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5RDc4OjI3MUMzQzozNThBMDA6NDk1OUM2OjZBRjgzOEFDIiwidmlzaXRvcl9pZCI6IjgzNzMxMDMxNzQxNTEwNTk2MjgiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmacf274a7d5a06065886724ee190f93297156bdd472ab32056675db3f7300e402fe
hovercard-subject-tagpull_request:4551485910
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/NVIDIA/cuda-python/2880/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/2a3e2a2dfe86b10acedaf85152fcfe45c89e41195b7d514810099a119c55d173/NVIDIA/cuda-python/pull/2880
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/2a3e2a2dfe86b10acedaf85152fcfe45c89e41195b7d514810099a119c55d173/NVIDIA/cuda-python/pull/2880
og:image:altSummary Fixes #2877. The slow path of VirtualMemoryResource.modify_allocation() unmapped the old VA range, remapped the physical memory into the new range, freed the old reservation by hand, and th...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameAndy-Jost
hostnamegithub.com
expected-hostnamegithub.com
None5713ecd83001b2f55c3509fb7a292bf7d66d0f167c7ae87a9f7eaec5a52bf8db
turbo-cache-controlno-cache
go-importgithub.com/NVIDIA/cuda-python git https://github.com/NVIDIA/cuda-python.git
octolytics-dimension-user_id1728152
octolytics-dimension-user_loginNVIDIA
octolytics-dimension-repository_id381173759
octolytics-dimension-repository_nwoNVIDIA/cuda-python
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id381173759
octolytics-dimension-repository_network_root_nwoNVIDIA/cuda-python
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
release653be32ff5c755082a4db662491bfbbcfc9112c1
ui-targetfull
theme-color#1e2327
color-schemelight dark
react-app-namepull-requests

Links:

Skip to contenthttps://github.com/NVIDIA/cuda-python/pull/2880#start-of-content
https://github.com/
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FNVIDIA%2Fcuda-python%2Fpull%2F2880
GitHubRepository hosting, code review, and collaborationhttps://github.com/platform
CopilotAI coding agent for tasks, projects, and automated workhttps://github.com/features/copilot
ActionsCI/CD and automationhttps://github.com/features/actions
Code QualityQuality analysis, fixes, and enforcementhttps://github.com/features/code-quality
CodespacesCloud development environmentshttps://github.com/features/codespaces
Code SecurityVulnerability detection and remediationhttps://github.com/security/advanced-security/code-security
Secret ProtectionSecret scanning and leak preventionhttps://github.com/security/advanced-security/secret-protection
All Featureshttps://github.com/features
Documentationhttps://docs.github.com/en
Traininghttps://learn.github.com/skills
Certificationshttps://learn.github.com/credentials
Build with Copilothttps://github.com/features/ai
Customize Copilothttps://docs.github.com/en/copilot/how-tos/copilot-on-github/customize-copilot/customize-copilot-overview
Integrationshttps://github.com/marketplace
Trending reposhttps://github.com/trending
GitHub Sponsorshttps://github.com/open-source/sponsors
Developer articleshttps://github.com/resources/articles
ChangelogYour source for the latest features, improvements, and fixes across GitHub products, all in one place.https://github.blog/changelog/
Enterpriseshttps://github.com/enterprise
Teamhttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
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
See all industrieshttps://github.com/solutions/industry
Why GitHubhttps://github.com/why-github
Customer Storieshttps://github.com/customer-stories
Business insightshttps://github.com/solutions/executive-insights
Trust Centerhttps://github.com/trust-center
GitHub Advanced SecurityEnterprise-grade code securityhttps://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
Documentationhttps://docs.github.com/en
Resource centerhttps://github.com/resources
Bloghttps://github.blog/
Events & webinarshttps://github.com/resources/events
Community Forumhttps://github.com/orgs/community/discussions
Customer Storieshttps://github.com/customer-stories
Integrationshttps://github.com/marketplace
Customer supporthttps://help.github.com/
Traininghttps://learn.github.com/skills
GitHub Statushttps://www.githubstatus.com/
Abouthttps://github.com/about
Partnershttps://github.com/partners
Changeloghttps://github.blog/changelog/
GitHub UniverseThe event for developers, by developers — talks, workshops, and what’s next for GitHub.https://githubuniverse.com/
Pricinghttps://github.com/pricing
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FNVIDIA%2Fcuda-python%2Fpull%2F2880
Sign uphttps://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=NVIDIA%2Fcuda-python
Reloadhttps://github.com/NVIDIA/cuda-python/pull/2880
Reloadhttps://github.com/NVIDIA/cuda-python/pull/2880
Reloadhttps://github.com/NVIDIA/cuda-python/pull/2880
NVIDIAhttps://github.com/NVIDIA
cuda-pythonhttps://github.com/NVIDIA/cuda-python
Codehttps://github.com/NVIDIA/cuda-python
Issues219 (219)https://github.com/NVIDIA/cuda-python/issues
Pull requests92 (92)https://github.com/NVIDIA/cuda-python/pulls
Discussionshttps://github.com/NVIDIA/cuda-python/discussions
Actionshttps://github.com/NVIDIA/cuda-python/actions
Projectshttps://github.com/NVIDIA/cuda-python/projects
Wikihttps://github.com/NVIDIA/cuda-python/wiki
Security and qualityhttps://github.com/NVIDIA/cuda-python/security
Insightshttps://github.com/NVIDIA/cuda-python/pulse
https://github.com/NVIDIA/cuda-python
Andy-Josthttps://github.com/Andy-Jost
NVIDIA:mainhttps://github.com/NVIDIA/cuda-python/tree/main
Andy-Jost:ajost/issue-2877https://github.com/Andy-Jost/cuda-python/tree/ajost/issue-2877
Conversationhttps://github.com/NVIDIA/cuda-python/pull/2880
Commits2 (2)https://github.com/NVIDIA/cuda-python/pull/2880/commits
Checkshttps://github.com/NVIDIA/cuda-python/pull/2880/checks
Files changedhttps://github.com/NVIDIA/cuda-python/pull/2880/files
cuda.core: close the old buffer when a VMM grow moves the mappinghttps://github.com/NVIDIA/cuda-python/pull/2880#top
Andy-Josthttps://github.com/Andy-Jost
NVIDIA:mainhttps://github.com/NVIDIA/cuda-python/tree/main
Andy-Jost:ajost/issue-2877https://github.com/Andy-Jost/cuda-python/tree/ajost/issue-2877
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
Sep 16, 2026https://github.com/NVIDIA/cuda-python/pull/2880#issue-5479108443
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
#2877https://github.com/NVIDIA/cuda-python/issues/2877
#2759https://github.com/NVIDIA/cuda-python/pull/2759
[BUG]: VMM growth frees an unowned address after a failed adjacent reservation #2345https://github.com/NVIDIA/cuda-python/issues/2345
Avoid freeing failed VMM grow reservations #2237https://github.com/NVIDIA/cuda-python/pull/2237
Claude Codehttps://claude.com/claude-code
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
cuda.core 1.3.0https://github.com/NVIDIA/cuda-python/milestone/52
Sep 16, 2026https://github.com/NVIDIA/cuda-python/pull/2880#event-31271367921
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
bug https://github.com/NVIDIA/cuda-python/issues?q=state%3Aopen%20label%3Abug
P0 https://github.com/NVIDIA/cuda-python/issues?q=state%3Aopen%20label%3AP0
cuda.core https://github.com/NVIDIA/cuda-python/issues?q=state%3Aopen%20label%3Acuda.core
Sep 16, 2026https://github.com/NVIDIA/cuda-python/pull/2880#event-31271367972
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
Sep 16, 2026https://github.com/NVIDIA/cuda-python/pull/2880#event-31271369961
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
Sep 16, 2026https://github.com/NVIDIA/cuda-python/pull/2880#issuecomment-5703648076
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
Sep 16, 2026 https://github.com/NVIDIA/cuda-python/pull/2880#ref-pullrequest-5479852965
cuda.core: release VMM allocation handles once they are mapped #2884 https://github.com/NVIDIA/cuda-python/pull/2884
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
force-pushedhttps://github.com/NVIDIA/cuda-python/compare/9e7578df5bca89a8867f74ca5636c3b0665fc3ea..bd6b7d109eb96072057f575db565260ed8224437
9e7578dhttps://github.com/NVIDIA/cuda-python/commit/9e7578df5bca89a8867f74ca5636c3b0665fc3ea
bd6b7d1https://github.com/NVIDIA/cuda-python/commit/bd6b7d109eb96072057f575db565260ed8224437
Compare https://github.com/NVIDIA/cuda-python/compare/9e7578df5bca89a8867f74ca5636c3b0665fc3ea..bd6b7d109eb96072057f575db565260ed8224437
September 16, 2026 21:12https://github.com/NVIDIA/cuda-python/pull/2880#event-31276513534
https://github.com/apps/copy-pr-bot
copy-pr-bothttps://github.com/apps/copy-pr-bot
Sep 16, 2026https://github.com/NVIDIA/cuda-python/pull/2880#issuecomment-5704581655
herehttps://docs.gha-runners.nvidia.com/cpr/vetters
herehttps://docs.gha-runners.nvidia.com/cpr/contributors
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
Sep 16, 2026https://github.com/NVIDIA/cuda-python/pull/2880#issuecomment-5704629399
bd6b7d1https://github.com/NVIDIA/cuda-python/commit/bd6b7d109eb96072057f575db565260ed8224437
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
https://github.com/NVIDIA
NVIDIAhttps://github.com/NVIDIA
copy-pr-bothttps://github.com/apps/copy-pr-bot
Sep 16, 2026https://github.com/NVIDIA/cuda-python/pull/2880#event-31276747974
Fix VMM handle leaks in virtual memory paths #2235 https://github.com/NVIDIA/cuda-python/pull/2235
cuda.core: VirtualMemoryResource.deallocate() unmaps without ordering on the stream #2886 https://github.com/NVIDIA/cuda-python/issues/2886
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
force-pushedhttps://github.com/NVIDIA/cuda-python/compare/bd6b7d109eb96072057f575db565260ed8224437..23599fb02ecad8e28ab8b7db1b992665eca864b4
bd6b7d1https://github.com/NVIDIA/cuda-python/commit/bd6b7d109eb96072057f575db565260ed8224437
23599fbhttps://github.com/NVIDIA/cuda-python/commit/23599fb02ecad8e28ab8b7db1b992665eca864b4
Compare https://github.com/NVIDIA/cuda-python/compare/bd6b7d109eb96072057f575db565260ed8224437..23599fb02ecad8e28ab8b7db1b992665eca864b4
September 17, 2026 17:27https://github.com/NVIDIA/cuda-python/pull/2880#event-31337990630
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
Sep 17, 2026https://github.com/NVIDIA/cuda-python/pull/2880#issuecomment-5719014510
23599fbhttps://github.com/NVIDIA/cuda-python/commit/23599fb02ecad8e28ab8b7db1b992665eca864b4
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
Andy-Josthttps://github.com/Andy-Jost
September 17, 2026 16:13https://github.com/NVIDIA/cuda-python/pull/2880#commits-pushed-4fce1a9
https://github.com/Andy-Jost
https://github.com/claude
cuda.core: close the old buffer when a VMM grow moves the mappinghttps://github.com/NVIDIA/cuda-python/pull/2880/commits/4fce1a9611109b0a690422ea9f2ffad55a19e336
4fce1a9https://github.com/NVIDIA/cuda-python/pull/2880/commits/4fce1a9611109b0a690422ea9f2ffad55a19e336
NVIDIA#2759https://github.com/NVIDIA/cuda-python/pull/2759
NVIDIA#2877https://github.com/NVIDIA/cuda-python/issues/2877
https://github.com/Andy-Jost
https://github.com/claude
test(cuda.core): wait for the memset before growing the VMM bufferhttps://github.com/NVIDIA/cuda-python/pull/2880/commits/0fb501c393d6a39c553cdb1484f468ce05b6543d
0fb501chttps://github.com/NVIDIA/cuda-python/pull/2880/commits/0fb501c393d6a39c553cdb1484f468ce05b6543d
NVIDIA#2877https://github.com/NVIDIA/cuda-python/issues/2877
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
force-pushedhttps://github.com/NVIDIA/cuda-python/compare/23599fb02ecad8e28ab8b7db1b992665eca864b4..0fb501c393d6a39c553cdb1484f468ce05b6543d
23599fbhttps://github.com/NVIDIA/cuda-python/commit/23599fb02ecad8e28ab8b7db1b992665eca864b4
0fb501chttps://github.com/NVIDIA/cuda-python/commit/0fb501c393d6a39c553cdb1484f468ce05b6543d
Compare https://github.com/NVIDIA/cuda-python/compare/23599fb02ecad8e28ab8b7db1b992665eca864b4..0fb501c393d6a39c553cdb1484f468ce05b6543d
September 17, 2026 23:14https://github.com/NVIDIA/cuda-python/pull/2880#event-31355321166
EPIC: VirtualMemoryResource ownership redesign #2906 https://github.com/NVIDIA/cuda-python/issues/2906
cuda.core: a second grow of a grown VMM buffer fails #2908 https://github.com/NVIDIA/cuda-python/issues/2908
fix(core): restore access descriptors when a VMM grow rolls back #2440 https://github.com/NVIDIA/cuda-python/pull/2440
fix(cuda.core): move VirtualMemoryResource onto the _rt handle layer #2917 https://github.com/NVIDIA/cuda-python/pull/2917
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
Oct 2, 2026https://github.com/NVIDIA/cuda-python/pull/2880#issuecomment-5958699310
#2917https://github.com/NVIDIA/cuda-python/pull/2917
#2877https://github.com/NVIDIA/cuda-python/issues/2877
#2388https://github.com/NVIDIA/cuda-python/issues/2388
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
Oct 2, 2026https://github.com/NVIDIA/cuda-python/pull/2880#event-32356312749
https://github.com/Andy-Jost
Andy-Josthttps://github.com/Andy-Jost
October 2, 2026 18:25https://github.com/NVIDIA/cuda-python/pull/2880#event-32356345569
github-actionshttps://github.com/apps/github-actions
Oct 3, 2026 https://github.com/NVIDIA/cuda-python/pull/2880#ref-commit-3f5b6fd
Clean up PR preview folders for 10 closed/merged PRshttps://github.com/NVIDIA/cuda-python/commit/3f5b6fd529fd44fa0582db13399ba1f90bc67256
3f5b6fdhttps://github.com/NVIDIA/cuda-python/commit/3f5b6fd529fd44fa0582db13399ba1f90bc67256
#2880https://github.com/NVIDIA/cuda-python/pull/2880
#2917https://github.com/NVIDIA/cuda-python/pull/2917
#2947https://github.com/NVIDIA/cuda-python/pull/2947
#2965https://github.com/NVIDIA/cuda-python/pull/2965
#2996https://github.com/NVIDIA/cuda-python/pull/2996
#2998https://github.com/NVIDIA/cuda-python/pull/2998
#3003https://github.com/NVIDIA/cuda-python/pull/3003
#3005https://github.com/NVIDIA/cuda-python/pull/3005
#3008https://github.com/NVIDIA/cuda-python/pull/3008
#3010https://github.com/NVIDIA/cuda-python/pull/3010
https://github.co/hiddenchars
https://github.com/NVIDIA/cuda-python/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%2FNVIDIA%2Fcuda-python%2Fpull%2F2880
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
https://github.com/Andy-Jost
Andy-Jost https://github.com/Andy-Jost
bug https://github.com/NVIDIA/cuda-python/issues?q=state%3Aopen%20label%3Abug
cuda.core https://github.com/NVIDIA/cuda-python/issues?q=state%3Aopen%20label%3Acuda.core
P0 https://github.com/NVIDIA/cuda-python/issues?q=state%3Aopen%20label%3AP0
cuda.core 1.3.0 https://github.com/NVIDIA/cuda-python/milestone/52
cuda.core: VirtualMemoryResource grow path's Buffer._clear() re-triggers mr.deallocate() on an already-freed VA range https://github.com/NVIDIA/cuda-python/issues/2877
Please reload this pagehttps://github.com/NVIDIA/cuda-python/pull/2880
https://github.com/Andy-Jost
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.