"The semiannual TOP500 official listing of the world's fastest supercomputers released Monday says the Tianhe-2 developed by the National University of Defense Technology in central China's Changsha city is capable of sustained computing of 33.86 petaflops per second. That's the equivalent of 33,860 trillion calculations per second. The Tianhe-2, which means Milky Way-2, knocks the US Department of Energy's Titan machine off the no. 1 spot. It achieved 17.59 petaflops per second. Supercomputers are used for complex work such as modeling weather systems, simulating nuclear explosions and designing jetliners."
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