[Webkit-unassigned] [Bug 65711] New: Large SVG text layout performance regression in r81168

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=65711

           Summary: Large SVG text layout performance regression in r81168
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://trac.webkit.org/changeset/81168
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: timothy_horton at apple.com
                CC: zimmermann at kde.org, timothy_horton at apple.com


Using the attached test document, one can reproduce a noticeable and significant performance regression in SVG text layout between r81167 and r81168 (the commit which fixed BiDi support in SVG text) which has not improved in ToT.

Samples from ToT (r92290) attached.

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