Fujitsu Picks 64-Bit ARM For Post-K Supercomputer (theregister.co.uk)

Posted by msmash on Tuesday June 21, 2016 @02:00AM from the new-hardware,-new-hopes dept.

An anonymous reader writes: At the International Supercomputing Conference 2016 in Frankfurt, Germany, Fujitsu revealed its Post-K machine will run on ARMv8 architecture. The Post-K machine is supposed to have 100 times more application performance than the K Supercomputer -- which would make it a 1,000 PFLOPS beast -- and is due to go live in 2020. The K machine is the fifth fastest known super in the world, it crunches 10.5 PFLOPS, needs 12MW of power, and is built out of 705,000 Sparc64 VIIIfx cores.InfoWorld has more details.

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exaflop on less than a gigawatt by peter303 · 2016-06-21 03:43 · Score: 3, Informative

Scaling up the K computer to an exaflop at one gigaflop per watt would require a gigawatt of power. The Green500 lists says the most efficient super runs at 7 gigaflops per watt in 2015. There are plans to do a lot betterbthan this.