Japan is at the top of the computer heap for the first time in seven years, now that Fujitsu Co.’s supercomputer has bested that of a Chinese competitor. The “K Computer,” funded by the Japanese government, is the best-performing machine in the world, capable of handling more than 8 quadrillion (that's 8,000 trillion) calculations per second. Once completed next year, it will be able to perform 10 quadrillion calculations per second, the Wall Street Journal reports.
Fujitsu says the K Computer has so much computing muscle that it can now run a simulation of how a beating human heart responds to new medicine in two days, down from two years. It is more powerful than the next five systems on the list combined, easily besting China’s National University of Defense Technology supercomputer, which now holds the No. 2 spot. China and Japan each have one other machine in the top 10 and France has one. The other five spots, including the No. 3 spot, are held by the US. (More supercomputer stories.)
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