Anyone can build a fast CPU. The trick is to build a fast system. Seymour Cray Contact: Erich Strohmaier, EStrohmaier@lbl.gov, 510-495-2517 HAMBURG, Germany—A Japanese supercomputer capable of performing more than 8 quadrillion calculations per second (petaflop/s) is the new number one system in the world, putting Japan back in the top spot for the first time since the Earth Simulator was dethrone