Date: Fri, 15 Dec 2006 13:39:48 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Stefan Ehmann <shoesoft@gmx.net> Cc: Peter Jeremy <peterjeremy@optushome.com.au>, freebsd-current@freebsd.org, Steve Kargl <sgk@troutmask.apl.washington.edu> Subject: Re: Let's use gcc-4.2, not 4.1 -- OpenMP Message-ID: <23331.1166189988@critter.freebsd.dk> In-Reply-To: Your message of "Fri, 15 Dec 2006 12:50:08 %2B0100." <200612151250.10033.shoesoft@gmx.net>
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In message <200612151250.10033.shoesoft@gmx.net>, Stefan Ehmann writes: >Settings/Compiler | gcc-3.4 | gcc-4.1 | gcc-4.2 >----------------------------+---------+---------+--------- >-O2 | 13.1bn | 13.8bn | 13.5bn >-O2 -funroll-loops | 9.6bn | 9.3bn | 9.2bn >-O2 -march=athlon-xp -fun.. | 9.7bn | 10.6bn | 10.7bn >-O3 | 11.5bn | 9.5bn | 9.6bn >-O3 -funroll-loops | 8.4bn | 9.2bn | 9.4bn >-O3 -march=athlon-xp -fun.. | 8.8bn | 10.6bn | 11.1bn I love benchmarks. It's great when people benchmark things. Unfortunately, that is not what you have done, because you have not indicated what the standard deviation on your numbers are, so they are totally worthless. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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