Which CPUTYPE for a dualcore Xeon on AMD64

Martin Cracauer cracauer at cons.org
Wed Jun 27 15:27:25 UTC 2007


Mike Meyer wrote on Wed, Jun 27, 2007 at 09:22:25AM -0400: 
> In <20070626195031.GA29545 at cons.org>, Martin Cracauer <cracauer at cons.org> typed:
> > Martin Turgeon wrote on Sun, Jun 24, 2007 at 07:32:22PM -0400: 
> > > Hi,
> > > 
> > > I recently installed AMD64 6.2 Release on 2 PowerEdge servers, both with
> > > dual core Xeon (3070 and 5110). 
> > I extensively benchmarked different compiler options on Xeon 5160 (3.0
> > GHz Core2) with gcc-4.1.2 and gcc-4.2.
> 
> Using what benchmark? That makes a *lot* of difference.

A proprietory application.  I should have mentioned it does almost no
floating point, so the assumption to drop sse might not be valid.

However, the differences in compiler flags were generally huge and and
the simpler ones came out on or near the top.

Martin
-- 
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Martin Cracauer <cracauer at cons.org>   http://www.cons.org/cracauer/
FreeBSD - where you want to go, today.      http://www.freebsd.org/


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