linux-kernel - Re: [patch] CFS scheduler, -v8

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Message-ID: <20070503130201.GA9000@elte.hu>
Date:	Thu, 3 May 2007 15:02:02 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Zoltan Boszormenyi <zboszor@...aweb.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch] CFS scheduler, -v8


* Zoltan Boszormenyi <zboszor@...aweb.hu> wrote:

> I started up 12 glxgears to see the effect of CFS v8 on my Athlon64 X2 
> 4200.
> 
> Without this patch all the GL load was handled by the second core, the 
> system only stressed the first core if other processes were also 
> started, i.e. a kernel compilation. With this patch the load is evenly 
> balanced across the two cores all the time.

ok, i didnt realize that it would affect x86_64 too. I'll do a -v9 
release with this fix included.

> [...] And while doing make -j4 on the kernel, the 12 gears are still 
> spinning about 185+ FPS and there are only slightly visible hiccups. 
> Switching between workspaces, i.e. refreshing the large windows of 
> Thunderbird and Firefox are done very quickly, the whole system is 
> exceptionally responsive.

great! So it seems -v8 does improve OpenGL handling too :-)

> Thanks for this great work!

you are welcome :)

	Ingo
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