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Cray's XT5 supercomputer at Oak Ridge National Laboratory has claimed the "world's fastest supercomputer" crown from IBM's Roadrunner, according to the Top500 list announced at Supercomputer 2009 (Nov. 14-19, 2009, Portland, Ore.) For the last two years, IBM's Roadrunner supercomputer has edged out Cray on the Top500 list, but this year Cray's XT5 finally beat Roadrunner with a 1.75 petaflop/second performance speed running the Linpack benchmark (compared to 1.1 petaflop for Roadrunner). The Top500 list reported that Jaguar has a theoretical peak capability to 2.3 petaflop/second.
Text: http://www.smartertechnology.com/c/a/Technology-For-Change/Cray-Wins-Worlds-Fastest-Supercomputer-Award/