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Date: Tue, 19 Nov 2002 13:53:43 -0800
From: Andrew Morton <akpm@digeo.com>
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To: Robert Love <rml@tech9.net>
CC: Con Kolivas <conman@kolivas.net>,
       linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [BENCHMARK] 2.5.48-mm1 with contest
References: <1037741326.3ddaad0ef119d@kolivas.net> <1037741983.1504.2229.camel@phantasy>
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Robert Love wrote:
> 
> On Tue, 2002-11-19 at 16:28, Con Kolivas wrote:
> 
> > xtar_load:
> > Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
> > 2.5.48 [5]              184.4   41      2       6       2.52
> > 2.5.48-mm1 [5]          210.7   35      2       6       2.88
> >
> > read_load:
> > Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
> > 2.5.48 [5]              102.9   74      6       4       1.41
> > 2.5.48-mm1 [5]          256.7   29      11      2       3.51*
> 
> What changed, Andrew?
> 
> Wall time is up but CPU is down... spending more time on I/O?

Big changes in the IO scheduler.  I have not really sat down
and looked at the effects of those changes - Jens keeps on
changing it, and I keep on diddling the queue sizes.  So it
has only really been "stability tested" at this time.
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