July 21 - 10:50am EDT   Virginia Tech has recently installed a new Mac-based supercomputing cluster, according to an announcement. The cluster is being used by the university's Center for High-End Computing Systems, and consists of 324 Mac Pros operating as servers, with eight cores apiece, for a total of 2,592 cores. The computers are networked together via a 40Gbps copper LAN connection. [full story]

June 9 - 5:30pm EDT   IBM today announced it will commission a $100 million hybrid supercomputer, the world's fastest, codenamed Roadrunner, to the US Department of Energy's National Nuclear Security Administration. The supercomputer is claimed to be able to perform 1,000 trillion operations per second, or one petaflop. According to IBM, the array has the same computing power as 100,000 of today’s fastest laptop computers combined. The hybrid computer combines AMD's x86 processors with Cell Broadband Engine chips originally developed for video game platforms, such as the ones used in Sony's PlayStation3. [full story]