Abstract
Parallel processing is the technology for speedup of computers. There are several ways of realizing it. According to the well-known Flynn classification of von Neumann machines into SISD, SIMD, MISD and MIMD types, parallel processing is commercially due to the SIMD and MIMD types. In this seminar, we focus on supercomputers (primarily in Japan) based on pipelining. Currently, Japanese supercomputers have a tendency to challenge to realize the peak performance using only multiple-parallel pipelining. We describe Japanese supercomputers with their advantages and disadvantages compared with the Cray series. In view of supercomputer architecture, though Japanese systems have features of speedup in linear data structures, there may be a few problems in their reliability, flexibility, and availability. In addition to improvement of throughput, these problems may be solved by means of multiprocessor system development. However, we are going to mention the other possibility of solving these problems in Japanese supercomputers by using an MISD concept.
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© 1991 Springer-Verlag Berlin Heidelberg
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Nakamura, T. (1991). Parallel and Supercomputer Architecture in Japan. In: Murthy, T.K.S., Brebbia, C.A. (eds) Advances in Computer Technology and Applications in Japan. Lecture Notes in Engineering, vol 69. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84514-7_2
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DOI: https://doi.org/10.1007/978-3-642-84514-7_2
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