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Date:	Sun, 26 Oct 2008 15:23:01 +0300
From:	Evgeniy Polyakov <zbr@...emap.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Evgeniy Polyakov <s0mbre@...rvice.net.ru>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	David Miller <davem@...emloft.net>,
	Mike Galbraith <efault@....de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [tbench regression fixes]: digging out smelly deadmen.

Hi.

> > > > > > vanilla 27: 347.222
> > > > > > no TSO/GSO: 357.331
> > > > > > no hrticks: 382.983
> > > > > > no balance: 389.802
> > 
> > Can anyone please tell me if there was any conclusion of this thread?
> 
> For the reference, just pulled git tree (4403b4 commit): 361.184
> and with dirty_ratio set to 50: 361.086
> without scheduler domain tuning things are essentially the same: 361.367
> 
> So, things are getting worse with time, and previous tunes do not help
> anymore.

That's the picture, how we go on my hardware:
4 (2 physical, 2 logical hyper-threaded) 32-bit xeons 8gb of ram.
We probably can be a little bit better for -rc1 kernel though,
if I enable only 4gb via config.

Better one time to see than 1000 times to read. One can scare children
with our graphs... Picture attached.

-- 
	Evgeniy Polyakov

Download attachment "tbench-regression-2.6.27-rc1.png" of type "image/png" (4996 bytes)

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