On Wed, Jun 14, 2006 at 09:35:23AM +0200, Peter Kümmel wrote:
> Here numbers from Windows/Linux,
> scrolling the Guide, in sec:
> 
> Qt4.1.3, release,
> Linux no   anti-al.: 19
> Linux with anti-al.: 25
> Windows 2k         : 30
> 
> LyX 1.3.6, Qt 3.3.4
> Linux no   anti-al.: 6-7
> Linux with anti-al.: 6-7
> 
> 
> Is 1.5 so slow only because of Qt
> or are there also changes of LyX
> responsible for?

There are also LyX changes that might contibute to the bad
performance.

> -Modules, 42.530127
>   -QtGui4.dll (SymExport), 18.157461
>      QPainter::drawTextItem, 3.968417
>      QPainter::drawPixmap, 1.599013
>      QPainter::drawRects, 1.450104
>      QPainter::begin, 1.413113
>      QPainter::QPainter, 0.828970
>      QBrush::init, 0.537057
>      QBrush::cleanUp, 0.520920
>      QPainter::~QPainter, 0.421153
>      QPainter::drawText, 0.395810
>      QTextEngine::itemize, 0.377406
>      QTextEngine::shapeText, 0.308763
>      QFontMetrics::~QFontMetrics, 0.288641
>      QFontDatabase::load, 0.225289
>      QPen::operator=, 0.221603
>      QPen::QPen, 0.200135
>  [....]

Do you have any caller tree information?

Andre'

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