[Beowulf] Intel Xeon E5-2600 v2

Mark Hahn hahn at mcmaster.ca
Sun Sep 15 09:46:03 PDT 2013


> You should not guide your infrastructure investments on SP/DP FLOPs/clk/core
> metric.

for sure!  especially because these peak FP rates are for cache-friendly,
optimally-vectorizable codes.  I'm not arguing that no one does large 
matrix-matrix operations, for instance, but rather that a lot of codes 
have hot loops that don't vectorize - or at least not 8 to 16-wide...

regards, mark hahn.


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