linux-kernel - Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28

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Message-ID: <Pine.LNX.4.64.0811210936580.25354@quilx.com>
Date:	Fri, 21 Nov 2008 10:11:49 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Mike Galbraith <efault@....de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [Bug #11308] tbench regression on each kernel release from 2.6.22
 -&gt; 2.6.28

On Fri, 21 Nov 2008, Ingo Molnar wrote:

> > 2.6.22:
> > Throughput 2526.15 MB/sec 8 procs
> > 2.6.28-rc5:
> > Throughput 2486.2 MB/sec 8 procs
> >
> > 8p Dell 1950 and the number of processors specified on the tbench
> > command line.
>
> ... so might be worth a test. Just to satisfy our curiosity and to
> possibly close the entry :-)

Ahh.. Wow.... net-next gets us:

Throughput 2685.17 MB/sec 8 procs


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