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Chinese Supercomputer Is Ranked World’s Second-Fastest, Challenging U.S. Dominance.

New York Times (05/31/10) Markoff, John

China’s Dawning Nebulae supercomputer, based at the National Supercomputing Center in Shenzhen, has been ranked as the world’s second-fastest machine, passing European and Japanese systems. Dawning Nebulae achieved a sustained computing speed of 1.27 petaflops, which makes it the world’s fastest in terms of theoretical peak performance, but that is considered a less significant measure than the actual computing speed achieved on a standardized computing test. The Cray Jaguar, based at the Oak Ridge National Laboratory in Tennessee, remains the world’s fastest supercomputer, according to the latest semiannual supercomputer ranking. Dawning Nebulae is based on chips from Intel and NVIDIA. China also is developing a new system based on a microprocessor designed and manufactured in China, which is expected to be complete later this year. “I wouldn’t be surprised if by the end of this year they surpass the scientific computing power of the [European Union] countries combined and have a computer system with an achieved performance to reach the No. 1 position on the Top500,” says University of Tennessee computer scientist Jack Dongarra.



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