Re: [proaudio] kernel speed

[Dominique Michel <dominique.michel@xxxxxxxxx>]

Le Mon, 8 Dec 2008 15:16:54 +0100,
Thomas Kuther <gimpel@xxxxxxxxxxxxxxxx> a écrit :

> On Mo, 08.12.08 14:00 Dominique Michel <dominique.michel@xxxxxxxxx>
> wrote:
> 
> > I done the speed/performance test from this forum thread :
> > http://forums.gentoo.org/viewtopic-t-401693-postdays-0-postorder-asc-start-0.html
> > 
> > My results for 2 different kernels are here :
> > http://forums.gentoo.org/viewtopic-t-401693-postdays-0-postorder-asc-start-25.html#5303444
> > 
> > What is very interesting is that 64studio kernel do performs better
> > for one of the test that my own kernel on gentoo.
> > 
> > I begun to investigate this. If someone is interested, I join 4 files:
> > 
> > config-2.6.21-1-multimedia-amd64 is 64studio config
> > config-2.6.26.6-rt11-3d is my gentoo config (-3D stand for the nvidia
> > driver) diff-config-2.6.21-1-multimedia-amd64 contain what in
> > 64studio config that is not into my config
> > diff-config-2.6.26.6-rt11-3d contain what in my config that is not
> > into 64studio config
> > 
> > The diff are simplified, I removed most of the drivers part of the
> > config.
> > 
> > Ciao,
> > Dominique
> 
> Just repeat that test a dozen of times. I got _totally_ different
> results on each run. So I consider this "speed test" to be total
> nonsense.
> 

It is already done. I get a little dispersion with both kernels, but not so
huge, a few per cent, nothing more. At the same time, the difference between the
2 kernels with the tickp result is about 1000 against 0.290 Huge difference.

Dominique