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Fujitsu Chooses ARM Over SPARC for Its Next Supercomputer

Fujitsu will ditch SPARC chips for the ARM architecture for the next generation of the K supercomputer that currently is the fifth-fastest system in the world. At the ISC High Performance 2016 supercomputing show this week in Frankfurt, Germany, Fujitsu officials said the successor to the current K computer, which is housed at the Riken Advanced Institute for Computational Science in Japan, will be an exascale system that is expected to be operational in 2020. The future supercomputer, which officials are referring to as Post-K, will be built by Fujitsu and the government-funded Riken facility, reportedly through $1.24 billion from the Japanese government. A key part of Fujitsu's announcement is that the Post-K system will be powered by processors based on ARM's 64-bit ARMv8 architecture rather than the SPARC64 chips that currently drive the K computer. Read more at

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