linux-kernel - Re: volanoMark regression with kernel 2.6.26-rc1

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Message-Id: <1210224087.3453.107.camel@ymzhang>
Date:	Thu, 08 May 2008 13:21:27 +0800
From:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
To:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: volanoMark regression with kernel 2.6.26-rc1


On Wed, 2008-05-07 at 23:12 +0530, Dhaval Giani wrote:
> On Tue, May 06, 2008 at 10:06:30AM +0800, Zhang, Yanmin wrote:
> > Comparing with 2.6.25, volanoMark has big regression with kernel 2.6.26-rc1.
> > It's about 50% on my 8-core stoakley, 16-core tigerton, and Itanium Montecito.
> > 
> 
> Just FYI, I am actually seeing 5 times performance on 2.6.26-rc1
> (I ran the benchmark twice before i sent out this mail and both
> times I have have these numbers)
What's the hardware/software configuration? And kernel .config?

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