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    K Computer

    By
    Jeff Burt
    -
    November 14, 2011
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      PrevNext

      1K Computer

      1

      The supercomputer is powered by 705,024 of Fujitsus SPARC64 processors spread over 864 server racks. When the system entered the list at No. 1 in June, it marked the first time since 2004, when Fujitsus Earth Simulator was knocked off the perch, that a Japanese computer headed the list.

      2Tianhe-A1

      2

      Developed by the Chinese National University of Defense Technology, the Tianhe-A1 was knocked off the top of the list in June by the K Computer. Powered by more than 14,000 Xeon X5670 chips and more than 7,000 GPUs from Nvidia, the system, installed at the National Supercomputing Center in Tianjin, has hit a peak of 2.5 petaflops.

      3Jaguar

      3

      Installed at the Oak Ridge National Laboratory in Tennessee, the Jaguar supercomputer is powered by Crays XT5-HE technology powered by AMDs six-core Opteron chips. The system, which has hit a peak of about 1.75 petaflops, is about to be revamped by Cray using AMDs new 16-core Opteron 6200 chips and GPUs from Nvidia. Once completed, the new system—dubbed Titan—will have theoretical peaks of 10 to 20 petaflops.

      4Nebulae

      4

      Built from Dawnings TC3600 blades using Intels six-core Xeon 5650 and Nvidia GPUs, the Nebulae at the National Supercomputing Center at Shenzhen has hit 1.27 petaflops.

      5Tsubame 2.0

      5

      Installed at the GSIC Center at the Tokyo Institute of Technology, the Tsubame 2.0 comprises HPs ProLiant SL390 G7 systems, which are powered by Intels six-core Xeon 5670 processors and leverage Nvidia GPUs. The system, which runs both Linux and Windows, has a performance of 1.19 petaflops.

      6Cielo

      6

      Cielo was built by Cray using its XE6 systems at the Los Alamos National Laboratory for the National Nuclear Security Administration. Cielo leverages AMDs eight-core Opteron 6136 chips for a performance level of 1.11 petaflops.

      7Pleiades

      7

      The NASA supercomputer at the Ames Research Center comprises SGIs Altix ICE 8200EX/8400EX servers powered by Intels Xeon HT QC 3.0, 5570 and 5670 processors. It offers a performance of 1.08 petaflops.

      8Hopper

      8

      Another Cray supercomputer, this one for the National Energy Research Scientific Computing Center at the Lawrence Berkeley National Laboratory. It leverages Crays XE6 systems, which are powered by AMDs 12-core Opteron 6172 processors. The system, with a total of 153,408 cores, offers a performance of 1.05 petaflops.

      9Tera-100

      9

      Housed at Frances Atomic Energy Commission, the Tera-100 last year became Europes first supercomputer to break the petaflop barrier. Built by Bull, the system is a cluster of 4,370 bullx S series servers, with more than 17,400 Xeon 7500 chips from Intel. Its performance is listed at 1.05 petaflops.

      10Roadrunner

      10

      The IBM-built supercomputer, installed at the Los Alamos National Laboratory, is a cluster of BladeCenter systems powered by Big Blues 3.2GHz PowerXCell 8i and AMDs dual-core Opteron chips. Its performance is listed at 1.04 petaflops.

      PrevNext

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