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+ - Cray bumps IBM from Top500 supercomputer top spot->

Submitted by SternisheFan
SternisheFan (2529412) writes "ComputerWorld, IDG News Service -The U.S. Department of Energy Oak Ridge National Laboratory's newly installed Titan system, a Cray XK7, has been anointed as the world's fastest supercomputer in the newly released 40th edition of the Top500 compilation of the world's fastest supercomputers. Titan knocked from the top spot the DOE Lawrence Livermore National Laboratory's Sequoia supercomputer, an IBM BlueGene/Q system that topped the last Top500, compiled in June. Under the Linpack benchmark, Titan executed 17.59 petaflops (quadrillions of calculations per second). By contrast, Sequoia executed 16.32 petaflops during this round.
    The compilation reveals other trends in the supercomputing arena as well. This edition has 62 systems using accelerator and co-processor technology such as Nvidia GPUs (graphics processing units), up from 58 six months ago. For internal interconnects, InfiniBand technology gains favor --being used on 226 systems, up from 209 systems six months ago --while Gigabit Ethernet usage has shrunk, 188 systems, down from 207 six months ago. And systems continue to use multicore processors --84.6 percent of the systems on the list use processors with six or more cores Geographically speaking, the U.S. continues to dominate the list, hosting 251 of the top 500 systems. Europe has 105 systems and Asia has 123 supercomputers on the list. Among countries, China has the second largest number of computers, with 72 on this list."

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Cray bumps IBM from Top500 supercomputer top spot

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