VPP300 series in National Astronomical Observatory

Computer Science – Numerical Analysis

Scientific paper

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Astronomical Observatories, Supercomputers, Parallel Processing (Computers), Computer Programs, Astronomy, Observatories, Numerical Analysis, Data Processing Equipment, Data Storage

Scientific paper

In astronomy we cannot perform any experiments of realistic time scale and spatial scale because those of the universe are too large for human being. That is the reason why we make very much of the numerical experiments by large computers. In this paper, we introduce the supercomputer system VPP300/16R, VX/4R, VX/1R and many small computers around them which were installed in National Astronomical Observatory Mitaka, Tokyo in 1996. We also introduce the history, the way of administration, and some of the scientific results produced by the system for now. In this system main memory of 32 Gbyte and parallel computation up to 16PE is available, and it is expected to become a central platform for large scale numerical experiments to progress the astronomy worldwide.

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