These two computer systems are my major workhorse.

The Kraken at NICS is a Cray XT5 system, consisting of 8,256 compute nodes, each with two 2.3 GHz quad-core AMD Opteron processors, totaling 66,048 compute cores.

The SGI Altix at NCSA has 1,024 Intel Itanium 2 processors, consisting of several Intel Itanium 2 processor shared-memory systems running the Linux operating system

Last updated: July 25, 2009