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Date: Tue, 24 Feb 2004 17:03:37 -0800
From: Andrew Morton <akpm@osdl.org>
To: cliff white <cliffw@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: reaim - 2.6.3-mm1 IO performance down.
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cliff white <cliffw@osdl.org> wrote:
>
> For the same test on the same machine, results from 2.6.2-rc1-mm2 and 2.6.2-rc3-mm1
> were within 1.0% of the linux-2.6.2 runs. So this is new. 
> 
> More data and tests if requested - are there some patch sets we should try reverting?

Thanks.  You could try reverting adaptive-lazy-readahead.patch.  If it is
not that I'd be suspecting CPU scheduler changes.  Do you have uniprocessor
test results?