dual vs single core opteron 100's

Daniel Rock freebsd at deadcafe.de
Fri Jan 27 10:39:59 PST 2006

Alexander Konovalenko schrieb:
>  I have upgraded my AMD64 Athlon 3000+ to dual core X2 4400+. Now I can run 
> two oommf tasks at the same time, and performance (I measure total execution 
> time of the task) is around 186% comparing with 100% when only one task is 
> running. This 7% degrade in performance per task is probably due to 
> concurrent data transferring CPU<->RAM. I am very satisfied with X2 but just 
> wonder if dual core Opteron gives better performance? Does anybody run OOMMF 
> on Opteron?

Besides the different CPUID, Athlon64 X2 (with 2x1MB Cache) and Dual-Core 
Opteron 1xx are exactly the same.


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