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Fujitsu have a ready prototype of an ARM processor for Post-K — first Japanese supercomputer capacity 1 EXAFLOPS more
At the conference, ISC High Performance 2018, which opened today in Frankfurt, the Fujitsu has unveiled a prototype processor on the ARM architecture. It will be used in the supercomputer Post-K — first Japanese computer performance more than 1 EXAFLOPS.

According to Fujitsu and RIKEN, the prototype for the "functional field test". The serial version of the CPU should be ready by the time of the creation and deployment of a system of Post-K, is scheduled for 2021.

The authors of the project expect processor "in many supercomputing applications, will provide performance far surpassing the performance of existing server-based General-purpose CPU".

The first processor implemented in silicon architecture ARMv8-A Scalable Vector Extension (SVE), significantly extends the capabilities of the ARM platform, part of vector processing. The ability of SVE will be used to accelerate existing computing applications, in particular scientific and engineering simulations, relying on the use of arithmetic in double precision.

Application of deep learning will benefit from the support processor compute half-precision. In General, a processor designed for a wide range of applications, including artificial intelligence and machine learning, security and blockchain processing of big data and IoT.

The new processor has 48 main nuclei and two or four of the subsidiary, which will assume operations of I / o, OS overhead and asynchronous messaging interface MPI. The hardware for vector operations is 512-bit, which is four times wider vector units of the SPARC64 VIIIfx processor is used in the K Computer supercomputer. Recall that K Computer is the first supercomputer to reach the mark of 10 PFLOPS, or 10 quadrillion floating point operations per second.
Source: https://www.ixbt.com/news/2018/06/24/fujitsu-arm-post-k-1-exaflops.html
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