Spoiler: It's nowhere near 9,000,000mAh!
In November 2014, the top six supercomputers all run Linux, but that's about the only thing they have in common.
At the Oak Ridge National Labs, where the United States pulled out the raw material for the first atomic bombs in World War II, is America's fastest supercomputer: Titan.
Titan, made by Cray — yes, the first supercomputer company is still around — uses AMD 2.2GHz Opteron 6274 16C processors to deliver 17.6 petaflops. That may not be anywhere near as fast as Tianhe-2, but Titan does it with half the electrical power and only a fifth of the cores. In short, Titan may not be number one, but it does more with less.
Caption by: Steven J. Vaughan-Nichols
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