Masakazu Fukagawa

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The HITACHI supercomputer S-820 system has been developed as Hitachi's top end supercomputer. It is also rated as one of the most powerful supercomputers in the world. Among the vector instructions which supercomputers support, summation type vector instructions and iteration type vector instructions are not suitable for parallel processing, since elements(More)
This paper discusses the architecture of the new Hitachi supercomputer series, which is capable of achieving 8 GFLOPS in each of up to four processors. This architecture provides high-performance processing for fine-grain parallelism, and it allows efficient parallel processing even in an undedicated environment. It also features the newly-developed(More)
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