linux-kernel - Re: x264 benchmarks BFS vs CFS

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Message-ID: <28f2fcbc0912212333yd35f8a8jf0c7087b74fd3582@mail.gmail.com>
Date:	Tue, 22 Dec 2009 02:33:08 -0500
From:	Jason Garrett-Glaser <darkshikari@...il.com>
To:	Mike Galbraith <efault@....de>
Cc:	Kasper Sandberg <lkml@...anurb.dk>,
	Andres Freund <andres@...razel.de>,
	Con Kolivas <kernel@...ivas.org>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML Mailinglist <linux-kernel@...r.kernel.org>
Subject: Re: x264 benchmarks BFS vs CFS

Benchmarks for the new threading model are up, along with a few others:

http://doom10.org/index.php?topic=78.0

Interestingly enough, CFS beats BFS on zerolatency by a significant
margin.  Unsurprisingly, given the threading model, the optimal number
of threads is equal to the number of cores.

Jason
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