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Date:	Wed, 3 Jan 2007 18:45:15 +0100 (CET)
From:	Tim Schmielau <tim@...sik3.uni-rostock.de>
To:	l.genoni@...relinux.com
cc:	Linus Torvalds <torvalds@...l.org>,
	Grzegorz Kulewski <kangur@...com.net>,
	Alan <alan@...rguk.ukuu.org.uk>,
	Mikael Pettersson <mikpe@...uu.se>, s0348365@....ed.ac.uk,
	76306.1226@...puserve.com, akpm@...l.org, bunk@...sta.de,
	greg@...ah.com, linux-kernel@...r.kernel.org,
	yanmin_zhang@...ux.intel.com
Subject: Re: kernel + gcc 4.1 = several problems

Well, on a P4 (which is supposed to be soo bad) I get:

> gcc -O2 t.c -o t
> foreach x ( 1 2 3 4 5 )
>> time ./t > /dev/null
>> end
0.196u 0.004s 0:00.19 100.0%    0+0k 0+0io 0pf+0w
0.168u 0.004s 0:00.16 100.0%    0+0k 0+0io 0pf+0w
0.168u 0.000s 0:00.16 100.0%    0+0k 0+0io 0pf+0w
0.160u 0.000s 0:00.15 106.6%    0+0k 0+0io 0pf+0w
0.180u 0.000s 0:00.18 100.0%    0+0k 0+0io 0pf+0w
> gcc -DCMOV -O2 t.c -o t
> foreach x ( 1 2 3 4 5 )
>> time ./t > /dev/null
>> end
0.168u 0.000s 0:00.17 94.1%     0+0k 0+0io 0pf+0w
0.152u 0.000s 0:00.15 100.0%    0+0k 0+0io 0pf+0w
0.136u 0.004s 0:00.13 100.0%    0+0k 0+0io 0pf+0w
0.168u 0.000s 0:00.16 100.0%    0+0k 0+0io 0pf+0w
0.172u 0.000s 0:00.17 100.0%    0+0k 0+0io 0pf+0w

see?
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