Slideshow » The world’s 10 fastest supercomputers
The world’s 10 fastest supercomputers
Los Alamos and Oak Ridge laboratories break the petaflop barrier.
This IBM system is actually older than the fifth-ranked supercomputer, and was No. 1 on the list a year ago. While the Lawrence Livermore machine is still faster than the Blue Gene/P at Argonne, it's not nearly as efficient, using almost twice as much energy.
