[gmx-users] AMD vs. XEON

Erik Lindahl lindahl at csb.stanford.edu
Thu Oct 9 23:09:00 CEST 2003

I would go with Xeon, since you might need to use 3DNow instead of SSE 
on some AMDs, and that's approx. another 10% slower.



On Wednesday, October 8, 2003, at 11:56 AM, Ilya Chorny wrote:

> Hello All
> I am trying to decide between building a very small cluster using XEON
> or ATHLON. What would you recommend? I have a dual 2800MP+ workstation
> thats been working great and I would like to add two or three nodes to
> it.
> I benchmarked my computer and a dual 2.4 GHZ XEON  using the gromacs
> benchmark systems d.dppc and d.villin. The XEON performed 7% better in
> serial and 9% in parallel with two processors when running the d.dppc
> code which has a much larger systen than d.villin. The reverse was true
> for the d.villin calculation.
> The price difference is roughly 20% with the AMD being cheaper
> All input is appreciated.
> Ilya
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