Chinese Supercomputer Named World's Fastest

Tianhe-1, using chips mostly designed by U.S. companies, achieved a computing speed of 2,570 trillion calculations per second.

China overtook the United States at the head of the world of supercomputing on Nov. 14 when a survey ranked one of its machines the fastest on the planet.

Tianhe-1, meaning Milky Way, achieved a computing speed of 2,570 trillion calculations per second, earning it the number one spot in the Top 500 survey of supercomputers.

The Jaguar computer at a U.S. government facility in Tennessee, which had previously held the top spot, was ranked second with a speed of 1,750 trillion calculations per second.

Tianhe-1 does its warp-speed "thinking" at the National Centrr for Supercomputing in the northern port city of Tianjin -- using mostly chips designed by U.S. companies.

Another Chinese system, the Nebulae machine at the National Supercomputing Centre in the southern city of Shenzhen, came in third.

The United States still dominates, with more than half of the entries in the Top 500 list, but China now boasts 42 systems in the rankings, putting it ahead of Japan, France, Germany and Britain.

It is not the first time that the United States has had its digital crown stolen by an Asian upstart. In 2002, Japan made a machine with more power than the top 20 American computers put together.

The supercomputers on the Top 500 list, which is produced twice a year, are rated based on speed of performance in a benchmark test by experts from Germany and the United States.

Copyright Agence France-Presse, 2010

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