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List:       koffice-devel
Subject:    Re: kword rendering speed: QTextFormatCollection
From:       Thomas Zander <zander () kde ! org>
Date:       2009-09-26 8:33:14
Message-ID: 200909261033.16518.zander () kde ! org
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On Saturday 26. September 2009 01.52.06 Jos van den Oever wrote:
> I looked into KWord loading speed today and found an interesting
> bottleneck. While loading the ODF 1.2 draft [1], 23% of CPU time was
> spent in QTextFormatCollection::indexForFormat, which itself called
> QTextFormat::operator==(QTextFormat const&) a lot.
>
> The reason for this is inefficient looking up of QTextFormat indexes in
> QTextFormatCollection. I have attached a patch for Qt that fixes the
> problem.

Did you make a merge request on qt.gitorious.org ?
-- 
Thomas Zander

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