readahead benchmark

Fengguang Wu
2006-06-05T00:28:04Z

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@gmail.com> were discouraging.

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

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Date: Mon, 29 May 2006 17:22:50 +0200
From: "Linux Portal" <linportal@gmail.com>
To: linux-kernel@vger.kernel.org
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).