From: Christian <christiand59@web.de>
To: Ingo Molnar <mingo@elte.hu>
Subject: Re: [patch] CFS scheduler, -v11
Date: Fri, 11 May 2007 14:01:59 +0200
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Cc: linux-kernel@vger.kernel.org, Kasper Sandberg <lkml@metanurb.dk>
References: <20070508150431.GA26977@elte.hu> <200705102051.09432.christiand59@web.de> <20070510200500.GB18741@elte.hu>
In-Reply-To: <20070510200500.GB18741@elte.hu>
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On Thursday 10 May 2007 22:05:00 Ingo Molnar wrote:
> * Christian <christiand59@web.de> wrote:
> > > > Desktop performance without any manual renicing is excellent, even
> > > > with make -j20. Gaming performance is at least on par with SD now!
> > > > I've tried to
> > >
> > > Which games are you trying? and have you tried other workloads then
> > > make -j20?
> > >
> > > try have a window with some 3d game open, and a browser besides it,
> > > and press a link. i cant seem to get smooth results with CFS.
>
> [...]
>
> > I've tried many different workloads, kernel compile (normal -j4),
> > extreme kernel compile (-j20) and Browsing/Open Office. GLXGears,
> > Briquolo and enemy-territory work relly well under these loads.
>
> do you have CONFIG_PREEMPT enabled - while perhaps Kasper has it
> disabled? Kasper, if so, could you try a quick test with CONFIG_PREEMPT
> enabled, does that make any difference to your gaming-smoothness
> results? [it's not a real solution, but this would help us narrow down
> the smoothness problem you are seeing.]

Yes, I have enabled full preemption and 1000 HZ.

-Christian


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