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Date: Sat, 16 Feb 2002 02:25:50 -0800
From: Andrew Morton <akpm@zip.com.au>
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To: Daniel Phillips <phillips@bonn-fries.net>
CC: lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch] get_request starvation fix
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Daniel Phillips wrote:
> 
> On February 16, 2002 08:32 am, Andrew Morton wrote:
> > However, contrary to my earlier guess, the request batching does
> > make a measurable difference.  Changing the code so that we wake up
> > a sleeper as soon as any request is freed costs maybe 30%
> > on `dbench 64'.
> 
> Is this consistent with results on other IO benchmarks?
> 

I dunno.  I doubt it - few of the other benchmarks are very
seek-intensive.   dbench is somewhat repeatable if you load
it up with enough clients.  And average the results across
enough runs.  And stand on one leg and squint.
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