IBM’s “Roadrunner” supercomputer, installed at Los Alamos National Laboratory earlier this month, has broken the petaflop barrier to claim the top spot on the most recent Top500 list of the world’s fastest supercomputers.

Roadrunner, which LANL will use for a range of computational tasks including bioinformatics, achieved peak performance in the Linpack benchmark of 1.026 petaflops, making it the first supercomputer ever to surpass one quadrillion floating point operations per second.

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