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In Pictures: The 10 fastest supercomputers on Eart...
No. 3: Sequoia (IBM)
Sequoia is another hardy perennial of the Top500, and is the top Blue Gene/Q machine in the latest list. At 17.1 petaflops, the Livermore Lab-based behemoth is the fastest entry that didn't use accelerator cores. (Though it does boast more than 1.57 million main cores.)
In Pictures: The 10 fastest supercomputers on Earth