Bug 261449

Summary:	Update RenderLayerBacking to store backingSharingLayers in a WeakListHashSet
Product:	WebKit	Reporter:	Chris Dumez <cdumez>
Component:	Layout and Rendering	Assignee:	Chris Dumez <cdumez>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Chris Dumez 2023-09-11 19:08:43 PDT

Update RenderLayerBacking to store backingSharingLayers in a WeakListHashSet instead of a Vector. This is beneficial to performance as we keep doing linear searches in the vector otherwise.

Comment 1 Chris Dumez 2023-09-11 19:11:08 PDT

Pull request: https://github.com/WebKit/WebKit/pull/17682

Comment 2 EWS 2023-09-12 12:22:19 PDT

Committed 267912@main (3a63df505058): <https://commits.webkit.org/267912@main>

Reviewed commits have been landed. Closing PR #17682 and removing active labels.

Comment 3 Radar WebKit Bug Importer 2023-09-12 12:23:15 PDT

<rdar://problem/115378252>