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Date: Sun, 3 Feb 2002 14:31:08 +0000 (GMT)
From: <chris@scary.beasts.org>
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To: <rwhron@earthlink.net>
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Subject: Re: [PATCH] Radix-tree pagecache for 2.5
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On Sat, 2 Feb 2002 rwhron@earthlink.net wrote:

>  		Num    Seq Write    CPU    Rand Write   CPU
>  		Thr   Rate (CPU%)   Eff    Rate (CPU%)  Eff
>  		---  -------------------  -----------------
> 2.4.17            1  11.08  50.5%  21.94  0.69  1.6%  44.10
> 2.4.17rat         1   7.77  32.8%  23.69  0.53  1.1%  48.44

This is a worrying trend your benching has exposed - all the streaming
write tests have taken a performance hit. Above is tiobench, and bonnie
showed the same trend too.

Chris


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