readahead benchmark

[Fengguang Wu]

On Sun, Jun 04, 2006 at 01:50:11PM -0700, Andrew Morton wrote:
> readahead-kconfig-options.patch
[...] 
>  It's early days yet - needs heaps more performance testing.  The results
>  from "Linux Portal" <linportal@xxxxxxxxx> were discouraging.

I found this mail from the lkml archive, did you happen to have more
results?

------
Date:	Mon, 29 May 2006 17:22:50 +0200
From:	"Linux Portal" <linportal@xxxxxxxxx>
To:	linux-kernel@xxxxxxxxxxxxxxx
Subject: The adaptive readahead patch benchmark

There is an interesting (although simple) benchmark of Wu's adaptive
readahead patchset (v12) together with graphs here:

  http://linux.inet.hr/adaptive_readahead_benchmark.html

In that simple test it definitely looks promising (3x speedup).
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