Poor compositing performance on 965Q chipset with intel 2.2.1 driver
Steven J Newbury
steve at snewbury.org.uk
Fri May 9 11:58:31 PDT 2008
On Fri, 2008-05-09 at 19:31 +0200, Hugo Mildenberger wrote:
> Am Freitag, 9. Mai 2008 18:48 schrieb Barry Scott:
> > >> mg at platonas:~ $ x11perf -shmput500
> > >> x11perf - X11 performance program, version 1.5
> > >> The X.Org Foundation server version 10400090 on :0.0
> > >> from platonas
> > >> Fri May 9 18:31:46 2008
> > >>
> > >> Sync time adjustment is 0.0309 msecs.
> > >>
> > >> 3200 reps @ 1.6794 msec ( 595.0/sec): ShmPutImage 500x500 square
> > >> 3200 reps @ 1.6568 msec ( 604.0/sec): ShmPutImage 500x500 square
> > >> 3200 reps @ 1.7887 msec ( 559.0/sec): ShmPutImage 500x500 square
> > >> 3200 reps @ 1.6947 msec ( 590.0/sec): ShmPutImage 500x500 square
> > >> 3200 reps @ 1.6732 msec ( 598.0/sec): ShmPutImage 500x500 square
> > >> 16000 trep @ 1.6986 msec ( 589.0/sec): ShmPutImage 500x500 square
> > >>
> > >> This is with GM965 and intel driver 2.2.1, but I haven't noticed poor
> > >> compositing performance.
>
> Running "x11perf -shmput500", I get these similar numbers using 965G rev 02:
>
> Sync time adjustment is 0.0326 msecs.
>
> 3200 reps @ 1.7145 msec ( 583.0/sec): ShmPutImage 500x500 square
> 3200 reps @ 1.7133 msec ( 584.0/sec): ShmPutImage 500x500 square
> 3200 reps @ 1.7132 msec ( 584.0/sec): ShmPutImage 500x500 square
> 3200 reps @ 1.7133 msec ( 584.0/sec): ShmPutImage 500x500 square
> 3200 reps @ 1.7134 msec ( 584.0/sec): ShmPutImage 500x500 square
> 16000 trep @ 1.7135 msec ( 584.0/sec): ShmPutImage 500x500 square
>
>
> using current master branch of xf86-video-intel and libpciaccess.
>
Just as another datapoint:
x11perf - X11 performance program, version 1.2
The X.Org Foundation server version 10599001 on :0.0
from infinity
Fri May 9 19:51:25 2008
Sync time adjustment is 0.0405 msecs.
12000 reps @ 0.5318 msec ( 1880.0/sec): ShmPutImage 500x500 square
12000 reps @ 0.5333 msec ( 1880.0/sec): ShmPutImage 500x500 square
12000 reps @ 0.5312 msec ( 1880.0/sec): ShmPutImage 500x500 square
12000 reps @ 0.5301 msec ( 1890.0/sec): ShmPutImage 500x500 square
12000 reps @ 0.5303 msec ( 1890.0/sec): ShmPutImage 500x500 square
60000 trep @ 0.5313 msec ( 1880.0/sec): ShmPutImage 500x500 square
Everything from master branches as today (20080509), GM965. Linux
kernel from master branch yesterday with exception of the reversion of
the "nopage removal" since the mesa/drm module hasn't yet been updated.
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