[gmx-users] Xeon and Athlon64 benchmarks

Berk Hess gmx3 at hotmail.com
Wed Aug 11 14:10:50 CEST 2004

>From: Heikki Käsnänen <hkasnane at hytti.uku.fi>
>Reply-To: Discussion list for GROMACS users <gmx-users at gromacs.org>
>To: Discussion list for GROMACS users <gmx-users at gromacs.org>
>Subject: [gmx-users] Xeon and Athlon64 benchmarks
>Date: Wed, 11 Aug 2004 14:59:08 +0300 (EEST)
>I would like to contribute my gmx-benchmarks, which were done in two 
>machines. Both were done on single nodes (that is because Athlon had only
>1. Machine
>Xeon 3,2 GHz, 1024 Kb cache, 1Gb DDR 266 MHz
>OS:SuSe Linux 9.0
>Gromacs 3.2.1 compiled with gcc
>Villin: 10248
>Lys/Cut: 3089
>Lys/PME: 1731
>DPPC: 187
>Poly-CH2: 4036
>2. Machine
>Athlon64 2,1 GHz, 512 Kb cache, 1 Gb DDR 400 MHz
>OS: Fedora Core 2 64-bit
>Gromacs 3.2.1 compiled with gcc
>Villin: 5935
>Lys/Cut: 1877
>Lys/PME: 1298
>DPPC: 139
>Poly-CH2: 3379
>Athlon's poor performance surprised me a bit. I guess that even 2,4 GHz 
>is not as fast as these new Xeon's (3.6 GHz Xeon is coming for sale soon). 
>have read that there is not much use of 64-bit extensions in Gromacs (yet), 
>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 


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