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From: Marc-Christian Petersen <m.c.p@wolk-project.de>
To: linux-kernel@vger.kernel.org
Subject: Re: Read this and be ashamed ;) or: Awfull performance loss since 2.4.18 to 2.4.21-pre2
Date: Sun, 22 Dec 2002 15:38:32 +0100
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On Sunday 22 December 2002 14:47, Marc-Christian Petersen wrote:

Hi again,

> root@codeman:[/] # uname -r
> 2.4.20
> root@codeman:[/] # dd if=/dev/zero of=/home/largefile bs=16384 count=131072
> 131072+0 records in
> 131072+0 records out
> 2147483648 bytes transferred in 172.327570 seconds (12461637 bytes/sec)

root@codeman:[/] # uname -r
2.4.20-rmap15b
root@codeman:[/] # dd if=/dev/zero of=/home/largefile bs=16384 count=131072
131072+0 records in
131072+0 records out
2147483648 bytes transferred in 140.460427 seconds (15288887 bytes/sec)

ciao, Marc
-
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