[gmx-users] Xeon and Athlon64 benchmarks

Pim Schravendijk schraven at mpip-mainz.mpg.de
Wed Aug 11 15:25:14 CEST 2004

On the Opterons, gromacs should be compiled in 32 bit mode as I remember 
well, you have to link to the 32 bit libraries then, this might require a 
bit of work, you might try to use the 32 bit rpms from the website, these 
should already give faster results.

> >Athlon's poor performance surprised me a bit. I guess that even 2,4 GHz 
> >Opteron
> >is not as fast as these new Xeon's (3.6 GHz Xeon is coming for sale soon). 
> >I
> >have read that there is not much use of 64-bit extensions in Gromacs (yet), 
> >so
> >double-Xeon's are the weapon of choice for new workstations.
> The benchmark page already has benchmarks for a 3 GHz Xeon
> and a 2.0 and 2.2 GHz Opteron.
> Both Opterons score more than 9000 on Villin and outrun the Xeon
> on all other benchmarks, so there is something wrong with your Opteron 
> setup.

Pim Schravendijk - PhD Student
Max Planck Institute for Polymer Research

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