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Old 21st June 2016
e1-531g e1-531g is offline
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Default Fujitsu is going to use ARMv8 cores to build supercomputer.

Fujitsu has signaled it will use 64-bit ARMv8 cores in the whopping exascale supercomputer it's building for Japan's boffins.

Back in 2014, the Japanese IT giant was hired by the RIKEN Advanced Institute for Computational Science to construct the Flagship 2020 machine – dubbed the Post-K super because it will succeed Japan's K Supercomputer.
Exactly how many ARMv8-compatible cores will be used and how they will be mixed with other chips, such as GPU-based accelerators, isn't known at this stage. However, a person familiar with the matter told The Register "ARM will serve as the architecture for Fujitsu's future HPC CPU."

In a presentation at the event, the tech goliath said its custom-designed supercomputer CPU powering the Post-K beast will run ARMv8 code, and that it has optimized the processor's design to accelerate math, and squeeze the most of the die caches, hardware prefetcher and its Tofu interconnect.
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