[Intel-gfx] X11 performance regressions

[Chris Wilson]

On Thu, 12 May 2011 09:19:39 +0200, Knut Petersen <Knut_Petersen at t-online.de> wrote:
> 
> >>      1        2    Operation
> >> --------  ------   ---------
> >>   965000.0   0.016   10x10 wide rectangle outline
> > Something is still not quite right here. This should be mostly CPU bound,
> > and even my Atom gets 734k.
> >
> > Can you check that (a) it is CPU bound and (b) the worst offenders
> > according to the system profiler of your choice (e.g. perf)?
> >
> 
> 734k would be nice ;-)
> 
> With current git Xorg its 10300 reps at 800 MHz and 16300 reps at 2000 MHz.
> Increasing cpu clock by a factor of 2.5 increases reps by a factor of 1.58.

Please do something like 'perf record -f -g -a x11perf -d :0 -worect10;
perf report | head -150' and paste the output.
-Chris
> 
> cu,
>  knut

-- 
Chris Wilson, Intel Open Source Technology Centre