Re: volanoMark regression with kernel 2.6.26-rc1

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From: Zhang, Yanmin <yanmin_zhang@...>

To: Dhaval Giani <dhaval@...>

Cc: Peter Zijlstra <a.p.zijlstra@...>, LKML <linux-kernel@...>, Srivatsa Vaddagiri <vatsa@...>, Ingo Molnar <mingo@...>

Subject: Re: volanoMark regression with kernel 2.6.26-rc1

Date: Thursday, May 8, 2008 - 1:21 am

On Wed, 2008-05-07 at 23:12 +0530, Dhaval Giani wrote:
quoted text> 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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Messages in current thread:

volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Mon May 5, 10:06 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Wed May 7, 1:42 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 1:21 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 1:39 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 2:03 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Ingo Molnar, (Wed May 7, 5:17 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Wed May 7, 1:34 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 1:20 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Thu May 8, 2:43 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 1:34 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Wed May 7, 2:58 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 2:07 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Wed May 7, 5:33 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Andrew Morton, (Wed May 7, 3:04 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Tue May 6, 7:52 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Wed May 7, 1:33 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 1:18 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 1:40 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 1:53 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 2:04 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Thu May 8, 2:11 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Fri May 9, 11:52 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Sun May 11, 9:39 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Sun May 11, 10:37 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Sun May 11, 11:33 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Mon May 12, 12:52 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Mon May 12, 1:02 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Mike Galbraith, (Mon May 12, 5:04 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Mon May 12, 5:20 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Wed May 14, 9:44 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Wed May 14, 11:12 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Thu May 15, 4:20 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Thu May 15, 4:41 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Thu May 15, 1:10 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Mike Galbraith, (Wed May 14, 10:50 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Wed May 14, 5:22 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Mon May 12, 1:43 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Sun May 11, 10:04 pm)

Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Fri May 9, 11:54 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 1:32 am)

Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Tue May 6, 1:41 am)

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