On 3/28/2011 3:44 AM, Jeff Squyres (jsquyres) wrote:
In fact, I made the guess that the performance difference under discussion referred to a single node.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?
-- Tim Prince