The world’s fastest supercomputer

IBM, Los Alamos smash petaflop barrier.

A petaflop is a measure of speed equivalent to one thousand trillion calculations per second. IBM and Los Alamos teamed up to build Roadrunner, the world's fastest supercomputer with 1.5 petaflops, three times faster than the previous champ. Pictured is lead engineer Don Grice of IBM inspecting Roadrunner at Big Blue's US plant. Roadrunner will be trucked to Los Alamos in New Mexico in August.

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