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The fastest got faster, as the K Computer topped its own record on the twice-yearly supercomputer speed test by scoring 10.51 quadrillion calculations per second.
In the twice-yearly list of the fastest computers on the planet, IBM has 5 of the top 10 most powerful computers, including the No. 1 spot.
The machine, located at Oak Ridge National Laboratory in Tennessee, bumps the IBM-based Sequoia system down a notch with its performance of 17.59 petaflops per second.
Processors from Nvidia play a big role in powering what the graphics chip supplier claims is now the fastest supercomputer in the world. The China-based machine has achieved 2.507 petaflops.
The pace of performance increases has slowed among the world's fastest supercomputers, while China now has nearly as many as the UK, France, and Germany combined.
The latest list of most-powerful computers is a bit of same old, same old. But soon, it won't be so easy to get ahead on the Top500 list by plugging in special-purpose accelerator cards.
Harnessing more than 82,000 processors on the world's fourth-ranked supercomputer, scientists run an experiment that represents 1 percent of human brain activity.
Bioengineers at Stanford University have developed microchips based on the human brain that are more energy efficient and up to 9000 times faster than the typical PC.
One of the world's most powerful supercomputers has finally done what had seemed impossible: successfully modelled brain activity.