linux-kernel - Re: [patch] CFS scheduler, -v7

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Message-Id: <200705041505.13513.prakash@punnoor.de>
Date:	Fri, 4 May 2007 15:05:12 +0200
From:	Prakash Punnoor <prakash@...noor.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Peter Williams <pwil3058@...pond.net.au>,
	Thomas Gleixner <tglx@...utronix.de>, caglar@...dus.org.tr,
	Willy Tarreau <w@....eu>,
	Gene Heskett <gene.heskett@...il.com>, Mark Lord <lkml@....ca>,
	Zach Carter <linux@...hcarter.com>,
	Kasper Sandberg <lkml@...anurb.dk>,
	buddabrod <buddabrod@...il.com>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>
Subject: Re: [patch] CFS scheduler, -v7

Am Sonntag 29 April 2007 schrieb Prakash Punnoor:
> Am Samstag 28 April 2007 schrieb Ingo Molnar:
> > i'm pleased to announce release -v7 of the CFS scheduler patchset. (The
> > main goal of CFS is to implement "desktop scheduling" with as high
> > quality as technically possible.)
> >
> > The CFS patch against v2.6.21 (or against v2.6.20.8) can be downloaded
> > from the usual place:
>
> I made a quick test with the ac3 encoder aften, I tested against rsdl 0.36
> (I think it was). Time was slightly worse: >5.9 secs (with two threads on
> Athlon64 X2 x86_64). mainline gives me 5.4sec. rsdl took 5.8 sec.
>
> I haven't testes earlier cfs nor later sd. Seems scheduler gets optimized
> more for single core than smp?
>
> http://aften.sourceforge.net/

Just as an update: Ingo managed to fix this issue in v9. Nice work!

Cheers,
-- 
(°=                 =°)
//\ Prakash Punnoor /\\
V_/                 \_V

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