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Message-ID: <Pine.LNX.4.63.0701031831160.29878@gockel.physik3.uni-rostock.de> 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? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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