Re: higher performance in knoppix
On Fri, Jun 25, 2004 at 09:24:00PM +0200, David Fokkema wrote:
> On Wed, Jun 23, 2004 at 03:19:08PM -0400, Nathan wrote:
> > Recently I was playing around with Knoppix 3.4, and I decided to check
> > out glxgears performance. After loading the nVidia driver, I got
> > 1500-1700 frames per second. The interesting thing is that on the same
> > exact computer, with Debian unstable running, I only get around 800.
> >
> > I've looked at the XFree configs, and they're effectively the same. Does
> > anyone have any idea what would cause an approximately 100% increase in
> > performance?
>
> No, but my Ati Radeon Mobility 9000 shows the same behaviour. I have not
> checked anything different from glxgears, though, so I don't know if the
> driver really _is_ faster, or that simply glxgears is misreporting or
> different, or...
>
Different/no DRI drivers (propriatary vs. dri.sf.net vs. no dri)? Maybe
one driver is enabling DMA by default and the other is not? (don't
remember how to force or check it, sorry).
Don't think it should cause 100% difference, but maybe ...
does glxinfo say for both (near the top):
direct rendering: Yes
> David
>
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