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China passes U.S. in number of top supercomputers; ORNL’s Titan drops to 5th

Posted at 9:49 am November 13, 2017
By John Huotari Leave a Comment

The Titan supercomputer at Oak Ridge National Laboratory is pictured above. (Photo by ORNL/U.S. Department of Energy)

The Titan supercomputer at Oak Ridge National Laboratory is pictured above. (Photo by ORNL/U.S. Department of Energy)

 

China has passed the United States in the total number of top ranked supercomputers, and Titan at Oak Ridge National Laboratory has dropped from fourth to fifth on the TOP500 list of the world’s fastest supercomputers.

The TOP500 list is released twice a year, once in June and once in November. It is based on a benchmark test known as Linpack.

Titan at ORNL dropped from third to fourth in June, bumped from the number three spot by the upgraded Piz Daint, a Cray XC50 system installed at the Swiss National Supercomputing Centre. Titan is capable of 17.59 petaflops. A petaflop is one quadrillion calculations per second. That’s 1,000 trillion calculations per second. Piz Daint is capable of 19.59 petaflops.

That power is useful in scientific research. At ORNL, Titan is used for research in areas such as materials science, nuclear energy, combustion, and climate science. ORNL is a U.S. Department of Energy laboratory.

Titan slipped one more spot in this month’s list, from fourth to fifth. It was displaced by the upgraded Gyoukou supercomputer. That is a ZettaScaler-2.2 system capable of 19.14 petaflops and deployed at Japan’s Agency for Marine-Earth Science and Technology, the home of the Earth Simulator. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, ORNL, Slider, Top Stories, U.S. Department of Energy Tagged With: Agency for Marine-Earth Science and Technology, China, Cori, Cray XC40, Cray XC50, Gyoukou, IBM BlueGene/Q, Japan, Lawrence Livermore National Laboratory, Los Alamos National Laboratory, Milky Way-2, National Energy Research Scientific Computing Center, National Research Center of Parallel Computer Engineering and Technology, National Supercomputing Center, National University of Defense Technology, Oak Ridge Leadership Computing Facility, Oak Ridge National Laboratory, ORNL, Piz Daint, Sandia National Laboratories, Sequoia, summit, Sunway TaihuLight, supercomputers, Swiss National Supercomputing Centre, Tianhe-2, Titan, Titan supercomputer, Top500, Top500 List, TOP500 ranking, Trinity, U.S. Department of Energy, United States, ZettaScaler-2.2

ORNL’s Titan drops to number four on list of world’s most powerful supercomputers

Posted at 10:06 am June 19, 2017
By John Huotari Leave a Comment

Titan Supercomputer at Oak Ridge National Laboratory

The Titan supercomputer at Oak Ridge National Laboratory was once ranked as the world’s most powerful supercomputer, but it is now ranked number four. (Photo courtesy of ORNL)

 

Note: This story was updated at 10:40 a.m.

Once the world’s most powerful supercomputer, Titan at Oak Ridge National Laboratory dropped to number four on a list of the world’s most powerful supercomputers released Monday.

Titan, a Cray XK7 system, was bumped from the number three spot by the upgraded Piz Daint, a Cray XC50 system installed at the Swiss National Supercomputing Centre.

China continues to have the world’s two most powerful supercomputers.

The TOP50 List of the world’s most powerful supercomputers is based on a benchmark test known as Linpack. The list is released twice each year, once in June and again in November. The 49th edition of the TOP500 List was released Monday in conjunction with the opening session of the ISC High Performance conference, which is taking place this week in Frankfurt, Germany. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: China, Cray XC50, Cray XK7, ISC High Performance conference, Linpack performance, Milky Way-2, National Supercomputer Center, National University of Defense Technology, Oak Ridge National Laboratory, Piz Daint, summit, Sunway TaihuLight, supercomputers, Swiss National Supercomputing Centre, Tianhe-2, Titan, Top500 List, U.S. Department of Energy, world's most powerful supercomputers

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