[Webkit-unassigned] [Bug 11607] New: Possible optimization in RenderBlock::calcMinMaxWidth()

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=11607

           Summary: Possible optimization in RenderBlock::calcMinMaxWidth()
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: EasyFix
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: mitz at webkit.org
                CC: hyatt at apple.com, sam.weinig at gmail.com


RenderBlock::calcMinMaxWidth() shouldn't call
calcInlineMinMaxWidth/calcBlockMinMaxWidth (which iterate over all children) if
it's not a table cell and has fixed positive width, since in that case it
overwrites m_minWidth and m_maxWidth anyway. This is a fairly common case, and
a very easy fix that could improve performance.

I think this also applies to RenderFlexibleBox.


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