Cray, Inc. designs, develops, manufactures, markets, and services high performance computer systems, commonly known as supercomputers. Its products portfolio comprises Cray XT4 system that uses dual-core Opteron processors connected to its second generation high speed network; Cray XT3 system that uses single-core and dual-core opteron processors connected via its high-bandwidth interconnect network, as well as incorporates a parallel optimized operating system and a standards-based programming ...