“…As described on its website, the Keck Cluster is "… a 64 node Beowulf cluster … [containing] Dual Pentium III 1GHz CPUs, 1GB RAM, [and a] Myrinet Network card … connected by … a 2Gbps Myrinet network used exclusively for communication between MPI programs." 3 The default MPI environment on the Keck Cluster is Myrinet's MPICH-GM v. 1.2.4..8a, which was used for all compilation, linkage, and execution. 4 The Keck Cluster is a login/logout system, has no batch execution control, and runs RedHat Linux 8.0.…”