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Monday, June 17, 2013

China versus USA: World’s fastest supercomputer

Tianhe-2 supercomputer change color depending on the power load.
from arstechnica.com
According to the semiannual TOP500 official listing of the world’s fastest supercomputers,China has built the world’s fastest supercomputer- almost twice as fast as the previous U.S. holder. The China's Tianhe-2 (Milky Way-2) is capable of sustained computing 33,860 trillion calculations per second (33.86 petaflops per second) knocking out the U.S. Department of Energy’s Titan machine off the no. 1 spot with only 17.59 petaflops per second.
“Most of the features of the system were developed in China...using Intel for the main compute part.....the interconnect, operating system, front-end processors and software are mainly Chinese.” said TOP500 editor Jack Dongarra.
The Titan supercomputer at Oak Ridge National Labs (Tennessee lab run by the US Department of Energy)
is made of nearly 19,000 processing units stitched together with 710 terabytes of memory.
from wired.co.uk

Supercomputers are used for complex work such as modeling weather systems, simulating nuclear explosions and designing jetliners.

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