[ltp] New Xorg ATI video drivers sloooow (in Fedora 10)

Matthias Runge linux-thinkpad@linux-thinkpad.org
Thu, 08 Jan 2009 08:42:55 +0100


Michael Karcher wrote:
> Am Mittwoch, den 07.01.2009, 10:17 -0500 schrieb Bill Green:
>> I'm seeing almost exactly the same performance (~58 fps) in glxgears on 
>> an x200 (intel 4500 graphics) on Debian sid with xorg, intel video 
>> driver, mesa, and libdrm from experimental (that's versions 7.4, 2.5.1, 
>> 7.2, and 2.4.1, respectively) and kernel 2.6.27.10.
> 
> I have a Intel 945G here, Debian experimental X (a month old) and see
> 59.4fps on glxgear with default driconf parameters, but if I pick "never
> synchronize" or "initial swap interval 0" in driconf, I get 960 fps. So
> for intel at least, ~60fps is expected behaviour.
> 
> Regards,
>   Michael Karcher
Thank you for your information. Sadly, I did not have time yesterday to
verify this on my hardware. I'll do that as fast as I can and will post
results.

Matthias