Test KDevelop4 with --graphicssystem native

[Andreas Pakulat]

On 21.11.09 22:25:03, David Nolden wrote:
> Am Samstag 21 November 2009 22:14:10 schrieb Aleix Pol:
> > 
> > Works fine here with both raster and native, but I guess using native will
> > be better.
> > 
> > Why don't we stop forcing raster for now? If it's outperforming we can go
> > back to force raster in january. It's something hard to measure, it's more
> > like a feeling I guess.
> > 
> > Aleix
> 
> The problem is that you might not feel the difference during a fast shallow 
> test, but only during 'real' usage. From what I remember, native vs. raster 
> was a giganting performance difference in the completion-list in the past: 
> Start code-completion at some place where there is really many completion 
> items visible, and then scroll through the list by keeping "PGDOWN" pressed.
> 
> Another important test: In a large file with a lot of semantic highlighting, 
> use the scrollbar to scroll up and down the document really fast, and measure 
> the _felt_ lag between scrolling and painting.

On my current desktop-machine (yes thats the new one) none of those
cause any lag with native. I'll try on the old laptop tomorrow (which
also uses Qt4.5 not 4.6)

As I said on IRC, I'm not pushing on this, just want to get some idea
about wether/how Qt improved in these areas (or X11 or drivers, whatever
the real issue is).

Andreas

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