Sunway-TaihuLight Outperforms Tianhe-2 as World’s Fastest Supercomputer

(Xinhua News Agency, June 20, 2016. Complete text:) Nanjing - China’s new supercomputing system, Sunway-TaihuLight, was named the world’s fastest computer at the International Supercomputing Conference in Germany on Monday [June 20].

The National Supercomputing Center was also unveiled Monday in Wuxi, east China’s Jiangsu Province, where the new-generation supercomputer is installed.

With processing capacity of 125.436 petaflops (PFlops) per second, which means it can perform quadrillions of calculations per second at peak performance, Sunway-TaihuLight is the first supercomputer to achieve speeds in excess of 100 PFlops.

The computing power of the supercomputer is provided by a China-developed many-core CPU chip, which is just 25 square cm.

"It would take 7.2 billion people using electronic calculators 32 years, or two million desktop computers working together for one minute, to do the same calculation the computer can solve in just 60 seconds," said Yang Guangwen, head of the Wuxi center.

Installed inside the center’s 1,000-square-meter computer room, Sunway-TaihuLight is composed of 40,960 processors.

In addition to its speed, it is much more energy-efficient than its predecessor Tianhe-2, which was the world’s best supercomputer for six years. One watt of electricity can support six billion calculations by Sunway-TaihuLight, which is just a third of the energy consumption by the China-developed Tianhe-2, which registered 33.86 PFlops per second, for the same calculations.

However, other countries are advancing their own supercomputing prowess, said Fu Haohuan, deputy head of the Wuxi center.

The US aims to produce a supercomputer with 1,000 PFlops per second by 2025. At its current speed, by 2017, it is expected to have designed a supercomputer with speed three to five times that of Tianhe-2.

"Although speed is a primary target, controlling the energy level is just as vital. Otherwise, future supercomputers will consume power equivalent to the amount used by a ...

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