China's Tianhe-2 Takes Top Spot on Top500 List From Cray's Titan

By Jeffrey Burt  |  Posted 2013-06-18

China came roaring back to the top of the list of the fastest supercomputers in the world with the Tianhe-2 system, powered by Xeon processors and Xeon Phi coprocessors from Intel. China's massive system—also called Milky Way 2—came in two years ahead of schedule with a top performance of 33.86 petaflops per second, streaking by Titan, a U.S.-based Cray XKY system, on the biannual Top500 list of the world's fastest supercomputers released June 17 at the 2013 International Supercomputing Conference in Germany. China last was at the top of the list in November 2010, with Tianhe-1A. Among the highlights in the list was Intel's continued dominance—it powers 80.4 percent of the 500 supercomputers on the list—and the popularity of IBM's BlueGene/Q systems, which are found in four of the top 10. A fair share of systems—54, in fact—use either Xeon Phi coprocessors or GPU accelerators from Nvidia or Advanced Micro Devices to boost performance. The United States hosts 252 of the 500 supercomputers, followed by Asia with 119 and Europe with 112. Here is a look at the world's top 10 fastest supercomputers.


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