OpenGL screensavers MUCH slower now
Mike A. Harris
mharris at redhat.com
Fri Oct 31 07:10:35 UTC 2003
On Thu, 30 Oct 2003, Douglas Stewart wrote:
>Since the slew of upgrades over the past few days, I've noticed that
>OpenGL screensavers run far, far slower than they used to. Also, when
>they run, my laptop fan kicks on with far greater frequency than it ever
>used to.
>
>Any ideas as to what's going on? It's a Dell Inspiron 4150 with a ATI
>Radeon Mobility 7500 (using the "radeon" driver FC ships with.)
>
>Should I perhaps try the ATI-provided binary driver?
Since nothing has changed in the Radeon drivers or X server,
libGL, DRI drivers, etc. whatsoever in a long time, it is highly
unlikely that any performance loss is an XFree86 driver induced
problem.
Oddly enough, Ingo Molnar, and several other people have remarked
to me this week that OpenGL performance has magically sped up
dramatically lately. I haven't changed anything which would
change performance up or down, so I'm surprised anyone sees any
difference at all. My guess is something in the kernel changed.
Personally, I see no change in performance either way.
--
Mike A. Harris ftp://people.redhat.com/mharris
OS Systems Engineer - XFree86 maintainer - Red Hat
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