[Beowulf] Opteron with ifort and Intel MKL
reuti at staff.uni-marburg.de
Sat Aug 25 03:31:57 EDT 2007
Am 24.08.2007 um 11:58 schrieb Bertrand Russell:
> Dear Beowulf Community members,
> I am planning to build a Beowulf cluster of 12 SUN FIRE 2200 boxes
> with Opteron-2.6GHz processor (Dual Core). The purpose of this
> cluster is to run my Amber9 code. I want to know one thing, Would
> the Opteron can give better benchmarks if I compile my Amber9 with
> Intel MKL and ifort compiler? I googled around it, but I could not
> get any positive or negative results either. I am looking for
> expertise and experinced advices and suggestions. Many thanks in
AFAIK programs compiled with ifort run best on Intel CPUs, as
otherwise only a generic version of the code is used.
But checkout the -xO switch in their 10.0 release, which will use
SSEx commands also on Opterons.
> Miles to go......... Millions to meet...........
> Bertrand. P. S. Russell
> +91 - 98943 98441
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