[Beowulf] New HPCC results and the Myri viewpoint

Keith D. Underwood kdunder at sandia.gov
Thu Jul 21 15:03:25 EDT 2005



> Yes, Keith noted it also, it's useful to evaluate the receive rate of
> a
> N-to-1 pattern. I meant that it's useless to optimize the send side in
> this case.

Except that many nodes to both an N-to-1 and a 1-to-N.  i.e. they
receive from N neighbors and send to those same N neighbors in each time
step.  That means that both the send and receive sides of the streaming
bandwidth issue matter.

					Keith

-- 
Keith D. Underwood <kdunder at sandia.gov>


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