Inside Japan's K Computer - world's No.1 supercomputer (photos)

by Andy Smith  |  June 20, 2011  |  Image 1 of 11

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Japan's K Computer Monday took over first place as the top-performing supercomputer in the world as determined by the Top500 Supercomputing List. The K Computer, which is housed at the Riken Advanced Institute for Computational Science in Kobe, Japan, has 672 computer racks and 68,544 CPUs. It achieved a LINPACK benchmark performance of 8.162 petaflops (quadrillion floating-point operations per second).

But this supercomputer isn't even finished. That should happen in November 2012 when it is expected to house more than 800 computer racks and exceed 10 petaflops.

For more on the supercomputer showdown, read Larry Dignan's blog.

Photo: Riken

Image 1 of 11

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Silliness
I commented on a similar story yesterday. Unless Japanese scientists come up with a program modeling every atom in a nuclear reaction or every gas molecule in the atmosphere, what good is the K-Computer? This is a ridiculous and costly competition.
Posted by dangnad
21st Jun 2011
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Follow-up By SmartPlanet Daily?
I agree that just networking lots of PC's together and running LINPAC is a poor criterion for the top spot in the international supercomputing race.

I WOULD LIKE TO SEE SmartPlanet Daily do a series of follow-up stories on the beneficial parallel computing problems which are successfully being solved by these "megamachines". Pointers to any current such stories would be much appreciated.

In general ...
Networking lots of hardware is easy.
Writing lots of productive software is hard.
Posted by RetiredEngineer
Updated - 24th Jun 2011
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