[Webkit-unassigned] [Bug 143447] New: Chalkboard is very slow on iMac-Book relative to Mac when running with the same window size

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=143447

            Bug ID: 143447
           Summary: Chalkboard is very slow on iMac-Book relative to Mac
                    when running with the same window size
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com
                CC: zimmermann at kde.org

On Mac

Safari: takes 7.27 seconds.
Chrome: takes 21.13 seconds.

On iMacBook

Safari: takes 76.77 seconds.
Chrome: takes 46.97 seconds.

There should be something related to the CG on iMac-Book and how it measures/renders graphical items on the screen.

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