[Beowulf] evaluating FLOPS capacity of our cluster

[Greg Lindahl]

On Mon, May 11, 2009 at 02:30:31PM -0400, Mark Hahn wrote:

> 80 is fairly high, and generally requires a high-bw, low-lat net.
> gigabit, for instance, is normally noticably lower, often not much  
> better than 50%.  but yes, top500 linpack is basically just
> interconnect factor * peak, and so unlike real programs...

Don't forget that it depends significantly on memory size.

-- greg