energy costs

Dean Johnson dtj at
Tue Mar 11 08:30:38 PST 2003

On Tue, 2003-03-11 at 09:40, Josip Loncaric wrote:
> I can't seem to find my KW/Gflop data right now, but I believe that in that 
> regard a machine such as Cray X1 compares rather favorably with Beowulf 
> clusters.  Both kinds of systems will improve power efficiency each year, but 
> their relative merit will probably evolve quite slowly...

Its rated at 13 GFLOPS/kw and Compute Density of 25 GFLOPS/ft^2

Dean Johnson <dtj at>

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