Chinese HPC edges closer to lead Top500 spot

Summary:The US Department of Energy's Jaguar system is still the fastest supercomputer on the Top500 list, but China's new Nebulae is close behind it

The Department of Energy's Oak Ridge Leadership Computing Facility and its Jaguar system kept the number one spot on the Top500 list of fastest supercomputers, but China's new Nebulae is close behind it at number two.

Nebulae, which emerged late last year as China's big entry into supercomputing, is currently the fastest system worldwide with a theoretical peak performance of 2.98 petaflops per second. One petaflop/s is one quadrillon calculations per second.

Jaguar held on to the top spot in the list with 1.75 petaflops/s. Jaguar's theoretical peak is 2.3 petaflops/s and almost a quarter of a million cores (see paper on how Jaguar works).

For more on this story, see China's Nebulae duels U.S. Jaguar on Supercomputer Top 500 list on ZDNet.com.

Topics: Servers

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Larry Dignan is Editor in Chief of ZDNet and SmartPlanet as well as Editorial Director of ZDNet's sister site TechRepublic. He was most recently Executive Editor of News and Blogs at ZDNet. Prior to that he was executive news editor at eWeek and news editor at Baseline. He also served as the East Coast news editor and finance editor at CN... Full Bio

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