Re: Schedulers benchmark - Was: [ANNOUNCE][RFC] PlugSched-5.2.4 for 2.6.12 and 2.6.13-rc6

[Con Kolivas <kernel@kolivas.org>]

On Fri, 19 Aug 2005 01:28 pm, Lee Revell wrote:
> On Fri, 2005-08-19 at 05:09 +0200, Michal Piotrowski wrote:
> > Hi,
> > here are interbench v0.29 resoults:
>
> The X test under simulated "Compile" load looks most interesting.
>
> Most of the schedulers do quite poorly on this test - only Zaphod with
> default max_ia_bonus and max_tpt_bonus manages to deliver under 100ms
> max latency.  As expected with interactivity bonus disabled it performs
> horribly.

The compile load is not a real compile load; it is an extreme exaggeration of 
what happens during a compile and this is done to increase the sensitivity of 
this test. It is _not_ worth trying to get a perfect score in this.

> I'd like to see some results with X reniced to -10.  Despite what the
> 2.6 release notes say, this still seems to make a difference.

Well of course it helps X - but then any X load totally fscks up audio on 
mainline and staircase which is why it's recommended not to renice it.

Cheers,
Con