The world’s 10 fastest supercomputers

Los Alamos and Oak Ridge laboratories break the petaflop barrier.

Using a special benchmark, the Top500.org project ranks the 500 most powerful computing systems in the world twice a year. The amazing speeds of the world's fastest computers are measured in teraflops (a trillion floating point operations per second), and petaflops (one quadrillion floating point operations per second). Here's a look at the 10 fastest supercomputers, announced this week.

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