November 16, 2010 | China bests the US in the most recent Top500 list of the fastest supercomputers in the world. China's Tianhe-1A system in Tianjin achieved 2.57 petaflops per second to earn first place. The US Department of Energy's Cray XT5 Jaguar held the second spot with .75 petaflops per second. InformationWeek