From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: Mike Galbraith <efault@gmx.de>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>
Subject: Re: sysbench+mysql(oltp, readonly) 30% regression with 2.6.26-rc1
Date: Fri, 09 May 2008 08:51:10 +0200 [thread overview]
Message-ID: <1210315870.13978.204.camel@twins> (raw)
In-Reply-To: <1210295779.3453.155.camel@ymzhang>
> > > -rc1. Do you have the fix below applied?
> >
> > Oooh - good catch, that seems to be a post -rc1 merge.
> >
> > Yes this is required.
> With below patch+previous_fix_weight_calc, the result is improved, but is still
> about 10% worse than the one of pure 2.6.26-rc1.
> Number of threads: 16
> read/write requests: 6104336 (50867.11 per sec.)
>
So puzzling - could you try -git + fix_weight_calc, as I think that is
what Mike tested and proved good on his Quad.
next prev parent reply other threads:[~2008-05-09 6:51 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-07 4:55 sysbench+mysql(oltp, readonly) 30% regression with 2.6.26-rc1 Zhang, Yanmin
2008-05-07 9:16 ` Ingo Molnar
2008-05-07 9:33 ` Zhang, Yanmin
2008-05-07 10:40 ` Ingo Molnar
2008-05-07 16:26 ` Peter Zijlstra
2008-05-08 6:35 ` Zhang, Yanmin
2008-05-08 8:00 ` Mike Galbraith
2008-05-08 8:46 ` Ingo Molnar
2008-05-08 9:25 ` Ingo Molnar
2008-05-08 10:00 ` Mike Galbraith
2008-05-08 9:37 ` Mike Galbraith
2008-05-08 9:01 ` Zhang, Yanmin
2008-05-08 9:13 ` Peter Zijlstra
2008-05-08 9:15 ` Mike Galbraith
2008-05-08 9:22 ` Zhang, Yanmin
2008-05-08 9:23 ` Peter Zijlstra
2008-05-09 1:16 ` Zhang, Yanmin
2008-05-09 6:51 ` Peter Zijlstra [this message]
2008-05-09 7:32 ` Mike Galbraith
2008-05-09 7:50 ` Peter Zijlstra
2008-05-09 7:58 ` Mike Galbraith
2008-05-09 8:02 ` Peter Zijlstra
2008-05-09 8:23 ` Mike Galbraith
2008-05-09 9:47 ` Mike Galbraith
2008-05-09 7:59 ` Mike Galbraith
2008-05-09 8:10 ` Peter Zijlstra
2008-05-09 8:25 ` Mike Galbraith
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