> > This is done on server side and this engine
> > is very slow. If to switch Qt4 to raster engine, then performance goes
> > to normal.
>
> And that's why raster engine is the default since 4.8 and xrender is no
> longer present in 5.x. None of these improvements is present in Qt 3 btw,
> as Qt 3 only supports the slow XRender implementation.

Then what's the explanation for QT4 being way slower than QT3 on e.g. ('cause 
I have access to this hardware)  X61 and GeForce GTX 470?

>
> Cheers
> Martin



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