[Beowulf] AMD Opteron Linpack Benchmark

[Toon Knapen]

Craig Tierney wrote:

> 
>> Anyone has good suggestions of combination of compiler (appreciate if 
>> includes compiler flags) + math lib on AMD platforms?
>> thanks a lot.
>>  
> 
> Compiler and flags don't matter.  HPL spends about 99.999% of its
> time in BLAS.  Use GotoBLAS, it is very fast.
> 


If you compile GotoBLAS yourself, you can select to compile for opteron 
with or without SSE3. I actually benchmarked both (in our application) 
and the difference in performance was not significant.

toon