[cairo] Cairo 1.3 performance loss

Jorn Baayen jorn at openedhand.com
Thu Feb 1 00:51:49 PST 2007


On Wed, 2007-01-31 at 08:18 -0800, Carl Worth wrote:
> On Wed, 31 Jan 2007 18:00:49 +0200, Jorn Baayen wrote:
> > Today I wrote a little tool, similar to cairo-perf but timing repeated
> > draws instead of single ones. This, contrary to cairo-perf (which
> > depends on a timer granularity that is not available on the machine I
> > test on), is producing useful output on this ARM here.
> 
> Can you recommend what should be changed in cairo-perf to make it more
> useful on your platform? Are you just saying that your timer
> granularity is coarse enough that each individual test should be
> adjusted to take more time?

Yeap. One idea would be to add a mode that times X iterations instead of
single ones, pretty much like my little tool above does.

Thanks,

Jorn

-- 
OpenedHand Ltd.
http://o-hand.com/



More information about the cairo mailing list