[Webkit-unassigned] [Bug 106444] New: Poor scrolling performance with the attached test document

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106444

           Summary: Poor scrolling performance with the attached test
                    document
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.8
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: andreas at projectwizards.net


Created an attachment (id=181900)
 --> (https://bugs.webkit.org/attachment.cgi?id=181900&action=review)
Test document

The test document consists of two tables. Each with 1000 rows but with different content. The vertical scroll position is synchronized between the two tables. But even if the scroll position is not synchronized scrolling is jerking slow compared to other browsers. For example: If I use 10000 instead of 1000 rows Firefox still allows non jerking scrolling but then in Webkit scrolling is not possible any more.

Note: You can change the number of rows inside the attached HTML document.

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