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Subject: Re: 2.5.44-[mm3, ac2] time to tar zxf kernel tarball compared
	forvarious  fs.
From: Steven Cole <elenstev@mesatop.com>
To: Andrew Morton <akpm@digeo.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>
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	<3DB6FF24.9B50A7C0@digeo.com>
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Date: 23 Oct 2002 14:32:20 -0600
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On Wed, 2002-10-23 at 13:57, Andrew Morton wrote:
> Steven Cole wrote:
> > 
> > ext3
> > tar zxf linux-2.5.44.tar.gz     2.5.44-mm3      2.5.44-ac2
> > user                            4.42            4.39
> > system                          4.09            4.05
> > elapsed                         00:53.17        00:34.05
> > % CPU                           16              24
> 
> The smaller fifo_batch setting hurts when there are competing
> reads and writes on the same disk.
> 
> > reiserfs
> > xfs
> > jfs
> 
> ext2?

OK, here is the ext2 data.  This was done on my /tmp partition.

For ext2, the variation between runs was as much as between 
mm3 and ac2.  This data is from the first of 4 runs as before.

Steven

ext2		
tar zxf linux-2.5.44.tar.gz	2.5.44-mm3	2.5.44-ac2
user				4.17		4.16
system				2.76		2.7
elapsed				00:08.39	00:08.05
% CPU				82		85
		
rm -rf linux-2.5.44		2.5.44-mm3	2.5.44-ac2
user				0.01		0.01
system				0.4		0.37
elapsed				00:02.31	00:01.17
% CPU				18		33

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