[Xorg] Solicitation of screen shots of new facilities in action...
Thomas Winischhofer
thomas at winischhofer.net
Sun Aug 15 11:29:18 PDT 2004
Keith Packard wrote:
> Around 18 o'clock on Aug 15, "Ronny V. Vindenes" wrote:
>
>
>>With cvs today (the 15th), everything I've tested is drawing correctly.
>>Performance with xcompmgr running is pretty good, BUT without xcompmgr
>>running it's really poor - scrolling in gnome-terminal is so slow it's
>>completely unusable and moving windows around is all "skip-n-jump".
>
>
> I cannot reproduce this kind of performance problem. I'm going to need
> some help to fix it. What video card? CPU? I did find a minor
> performance issue with window manipulation using x11perf:
>
> $ x11perf -move
2Ghz Celeron, SiS M650 (shared memory):
>
> With composite extension enabled, no xcompmgr:
>
> 80000 reps @ 0.1137 msec ( 8790.0/sec): Move window (4 kids)
80000 reps @ 0.1104 msec (9060.0/sec): Move window (4 kids)
> With composite extension disabled:
>
> 240000 reps @ 0.0210 msec ( 47700.0/sec): Move window (4 kids)
120000 reps @ 0.0497 msec (20100.0/sec): Move window (4 kids)
Seems that with composite enabled, the CPU copies the data instead of
the engine.
Thomas
--
Thomas Winischhofer
Vienna/Austria
thomas AT winischhofer DOT net http://www.winischhofer.net/
twini AT xfree86 DOT org
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