[Webkit-unassigned] [Bug 250654] New: GraphicsLayer::removeAllChildren shouldn't be n^2

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=250654

            Bug ID: 250654
           Summary: GraphicsLayer::removeAllChildren shouldn't be n^2
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Compositing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ahmad.saleem792 at gmail.com
                CC: simon.fraser at apple.com

Hi Team,

Usually reducing expensive calls are always better, so I just wanted to raise and get input whether we can do similar to improve performance or reach to similar idea:

Blink Commit - https://chromium.googlesource.com/chromium/blink/+/ea1156d6f005f978e4da707ef4e2060c2fc7151f

WebKit GitHub - https://searchfox.org/wubkat/source/Source/WebCore/platform/graphics/GraphicsLayer.cpp#316 & https://searchfox.org/wubkat/source/Source/WebCore/platform/graphics/GraphicsLayer.cpp#395

Just wanted to raise so if it is something worth implementing with the same idea, we can gain some performance point.

Thanks!

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