The world’s 10 fastest supercomputers

Los Alamos and Oak Ridge laboratories break the petaflop barrier.

This IBM system at the DOE's Argonne lab uses an energy-efficient design that still delivers massive amounts of computing power. "If all six billion people on Earth were participating in a science computation, each person would need to do 70,000 additions or multiplications per second to keep up with the Blue Gene/P," the lab says.

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