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Chinese supercomputer still No. 1, ORNL’s Titan No. 2

Posted at 9:00 am November 18, 2013
By John Huotari 2 Comments

Titan Supercomputer at Oak Ridge National Laboratory

Titan at Oak Ridge National Laboratory stayed at No. 2 in a Top 500 ranking of the world’s most powerful supercomputers released Monday morning. (Photo courtesy of ORNL)

A Chinese supercomputer kept its top ranking, and Titan at Oak Ridge National Laboratory stayed at No. 2 in a Top 500 ranking of the world’s most powerful supercomputers released Monday morning.

The top two spots were unchanged from the semiannual rankings released five months ago in June, when Tianhe-2, a supercomputer developed by China’s National University of Defense Technology, bumped Titan from the top spot. The ORNL supercomputer had been named No. 1 one year ago.

The rankings released Monday at the SC13 conference in Denver, Colo., said Tianhe-2 is capable of performing 33.86 petaflops. That’s 33.86 quadrillion calculations per second, on what is known as a Linpack benchmark test.

Titan is a Cray XK7 system that achieved 17.59 petaflops. Titan is one of the most energy-efficient systems on the list, consuming a total of 8.21 megawatts and delivering 2.143 gigaflops per watt, a press release said. [Read more…]

Filed Under: Oak Ridge National Laboratory, Science, Top Stories Tagged With: AICS, Argonne National Laboratory, Austin, BlueGene/Q, China, Computer Science and Mathematics Division, Cray XC30, Cray XK7, CSCS, Europe, Forschungszentrum Juelich, Fujitsu, Germany, IBM BlueGene/Q, Intel Xeon Phi, Jack Dongarra, Japan, JUQEEN, K computer, Kobe, Lawrence Livermore National Laboratory, Leibniz Rechenzentrum, Linpack benchmark, Lugano, Mira, National University of Defense Technology, NVIDIA GPU, Oak Ridge National Laboratory, ORNL, Piz Daint, RIKEN Advanced Institute for Computational Science, SC13, Sequoia, Stampede, supercomputer, SuperMUC, Swiss National Supercomputing Centre, Switzerland, Texas Advanced Computing Center, Thom Mason, Tianhe-2, Titan, Top10, Top500, U.S. Department of Energy, University of Tennessee, University of Texas, Vulcan

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