Bug 304869

Summary: [Grid] Lots of time spent in GridTrackSizingAlgorithm::accumulateIntrinsicSizesForTrack with subgrids that span lots of rows
Product: WebKit Reporter: Sammy Gill <sgill26>
Component: Layout and RenderingAssignee: Sammy Gill <sgill26>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, ntim, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=302529
https://bugs.webkit.org/show_bug.cgi?id=232176
Attachments:
Description Flags
Testcase none

Sammy Gill
Reported 2026-01-02 15:35:57 PST
Created attachment 477890 [details] Testcase In the attached test case we end up spending a lot of time in this function
Attachments
Testcase (914 bytes, text/html)
2026-01-02 15:35 PST, Sammy Gill 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2026-01-02 15:36:09 PST
<rdar://problem/167456605>
Sammy Gill
Comment 2 2026-01-02 15:42:31 PST
Pull request: https://github.com/WebKit/WebKit/pull/56024
EWS
Comment 3 2026-01-05 13:47:37 PST
Committed 305121@main (425f9293f8d4): <https://commits.webkit.org/305121@main> Reviewed commits have been landed. Closing PR #56024 and removing active labels.
Sammy Gill
Comment 4 2026-01-20 10:07:16 PST
*** Bug 232176 has been marked as a duplicate of this bug. ***
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