On 3/28/2011 3:44 AM, Jeff Squyres (jsquyres) wrote:
> Ah, I didn't catch before that there were more variables than just tcp
> vs. shmem.
>
> What happens with 2 processes on the same node with tcp?
>
> Eg, when both procs are on the same node, are you thrashing caches or
> memory?
>
In fact, I made the guess that the performance difference under
discussion referred to a single node.
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