Mid-range models ring the changes in Top500 supercomputer ranking
(PCWorld)

With no change at the top of the latest Top500.org supercomputer list, you need to look further down the rankings to see the real story.Top500.org published the 49th edition of its twice-yearly supercomputer league table on Monday, and once again the Chinese computers 93-petaflop Sunway TaihuLight and 33.9-petaflop Tianhe 2 lead the pack.An upgrade has doubled the performance of Switzerland`s GPU-based Piz Daint to 19.6 petaflops (19.6 quadrillion floating-point operations per second), boosting it from eighth to third place and nudging five other computers down a place. The top U.S. computer, Titan, is now in fourth.To read this article in full or to leave a comment, please click here