Re: Fwd: How will cairo influence GTK's performance?



Richard Stellingwerff (remenic gmail com):

> On 7/21/05, Billy Biggs <vektor dumbterm net> wrote:
> > Resizing mozilla tests your window manager and mozilla's rendering
> > more than GTK+ itself.
> 
> Correct, but both use GDK to draw their things, so what makes this
> different from any GTK widget, that uses GDK internally as well?

  GDK doesn't really do much though, for rendering it's just a wrapper
for Xlib.

> > However, since you're seeing differences between drivers, you might
> > want to look at raw throughput to the card.  Compare the output of
> > this command (let it run to completion, bonus points: run without a
> > window manager and let it be the only client):
> > 
> >     x11perf -shmput500
> >
> >   On a 24-bit display, you should see numbers over 200. 
> 
> 267.0/s on average on the NVidia box (1,33GHz Athlon with Geforce FX 5200)
> 275.0/s on average on the Ati box (930MHz Mobile Athlon XP with Ati
> Mobility 9200)

  Those are reasonable results for a 24-bit display.  So, is it correct
that these do not significantly change between drivers on the same
machine, or what?

  -Billy



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