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Chinese supercomputer still No. 1, Titan at ORNL remains No. 2

Posted at 9:20 am June 23, 2014
By Oak Ridge Today Staff Leave a Comment

Jeff Nichols and Titan at ORNL

Jeff Nichols, associate director for computing and computational sciences at Oak Ridge National Laboratory, in front of Titan, which was the world’s fastest supercomputer in November 2012 but is now ranked No. 2. (Photo courtesy ORNL)

A Chinese supercomputer kept its No. 1 spot, and Titan at Oak Ridge National Laboratory stayed at No. 2 in the latest semiannual ranking of the world’s most powerful supercomputers.

The Chinese supercomputer, Tianhe-2, was developed by China’s National University of Defense Technology, and it’s been in the top spot three times in a row on the Top500 List. Tianhe-2 bumped Titan from the top spot in June 2013.

The Chinese supercomputer performed at 33.86 petaflops—that’s 33.86 quadrillion calculations per second—on a test known as the Linpack benchmark, the press release said. Titan performed at 17.59 petaflops.

There was little change among the ranking of the world’s Top 10 supercomputers in the latest edition of the closely watched list, a press release said. The only new entry was at number 10—a 3.14-petaflop Cray XC30 installed at an undisclosed U.S. government site.

The Top500 list was announced Monday morning. The list is compiled by Erich Strohmaier and Horst Simon of Lawrence Berkeley National Laboratory, Jack Dongarra of the University of Tennessee in Knoxville, and Martin Meuer of Prometeus, Germany. [Read more…]

Filed Under: Oak Ridge National Laboratory, Science, Top Stories, U.S. Department of Energy Tagged With: China, Erich Strohmaier, Horst Simon, International Supercomputing Conference, Jack Dongarra, Lawrence Berkeley National Laboratory, Linpack benchmark, Martin Meuer, National University of Defense Technology, Oak Ridge National Laboratory, ORNL, supercomputer, Tianhe-2, Titan, Top500, Top500 List, United States, University of Tennessee

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