Any chance you could upgrade to Open MPI 1.5.5? It has a better version of the processor affinity stuff than the 1.4 series.
On Apr 25, 2012, at 10:35 AM, Kyle Boe wrote:
> I tried this and got the same result. Any other thing I might be missing...?
> >Did you tell it --bind-to-core? If not, then the procs would be unbound to any particular core - so your code might well think they are "sharing" cores. _______________________________________________
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