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Japan re-claims the title of having the world’s fastest supercomputer. Fine, whatever, see if I care.

A couple months ago, China proudly unveiled what was at the time, the world’s fastest supercomputer that was clocked at 2.5 petaflops. Now, Japan’s K Computer has absolutely smashed that record, computing 8.2 quadrillion calculations per second, or 8.2 petaflops. EAT IT COMMIES.

The rankings for the world’s fastest computers are kept by a professor of electrical engineering and computer science at the University of Tennessee at Knoxville, one Jack Dongarra. He releases a six-monthly list detailing the top 500 machines, as determined by a their ability to run a standard mathematical equation.

The new list is released today. K’s performance is equivalent to one million linked desktop computers, according to Prof Dongarra, or more than its five closest competitors combined. It consists of 672 cabinets stuffed with circuit-boards, and its creators plan to increase that to 800 in the coming months. It uses enough energy to power nearly 10,000 homes and costs $10 million (£6.2 million) annually to run.


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