Performance of an Optimized Eta Model Code
on the Cray T3E and a Network of PCs


Jules Kouatchou, Miodrag Rancic and Jim Geiger


We carry out an optimization of the distributed memory parallel version of the Eta model code on a Cray T3E and a network of PCs at NASA Goddard Space Flight Center. Using two test problems, our numerical results present the elapsed time, the speedup and the Mflops as function of the number of processors and show how the optimization affects these parameters.