TOP500: China Has Two of Top Three Supers in the World

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The latest TOP500 list of the world’s most powerful supercomputers is out, and it confirms the rumored takeover of the top spot by the Tianhe-1A system with 2.57 petaflop/s (quadrillions of calculations per second).

News of the Chinese system’s performance emerged in late October. As a result, the former number one system — the Cray XT5 “Jaguar” system at the U.S. Department of Energy’s (DOE) Oak Ridge Leadership Computing Facility in Tennessee — is now ranked in second place. Jaguar achieved 1.75 petaflop/s running Linpack, the TOP500 benchmark application. Third place is now held by a Chinese system called Nebulae, which was also knocked down one spot from the June 2010 TOP500 list with the appearance of Tianhe-1A. Located at the National Supercomputing Centre in Shenzhen, Nebulae performed at 1.27 petaflop/s. Tsubame 2.0 at the Tokyo Institute of Technology is number four; having achieved a performance of 1.19 petaflop/s. Tsubame is the only Japanese machine in the TOP10.

The TOP10 chart above is from Heise Online. The article is in German, but it is very well-written so I posted an English version that I hope is fairly accurate.