[Beowulf] evaluating FLOPS capacity of our cluster

Greg Lindahl lindahl at pbm.com
Mon May 11 18:28:14 EDT 2009


On Mon, May 11, 2009 at 05:56:43PM -0400, Gus Correa wrote:

> However, here is somebody that did an experiment with increasing
> values of N, and his results suggest that performance increases  
> logarithmically with problem size (N), not linearly,
> saturating when you get closer to the maximum possible for your
> current memory size.

This is well-known. And of course faster interconnect means that you
get closer to peak at smaller problem sizes.

-- greg


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