CP-PACS: A massively parallel processor at the University of Tsukuba |
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| Authors: | Kisaburo Nakazawa Hiroshi Nakamura Taisuke Boku Ikuo Nakata Yoshiyuki Yamashita |
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| Affiliation: | 1. Department of Electronics and Computer Science, Meisei University, 2-590 Nagafuchi, Ohme, Tokyo 198-8655, Japan;2. Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan;3. Institute of Information Sciences and Electronics, University of Tsukuba, 1-1-1 Tennohdai, Tsukuba, Ibaraki 305-8577, Japan;4. University of Library and Information Science, 1-2 Kasuga, Tsukuba, Ibaraki 305-8550, Japan;1. Camel Reproduction Center, Dubai, United Arab Emirates;2. Clinical Sciences/Swedish University of Agricultural Sciences, Uppsala, Sweden;1. Kulu Vocational School, Selçuk University, 42075 Konya, Turkey;2. Department of Computer Engineering, Faculty of Engineering and Nature Sciences, Konya Technical University, 42075 Konya, Turkey;1. Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;2. Institute of Physics, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;3. Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan;4. Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico;1. School of Information Engineering, Wuhan University of Technology, 122 Luoshi Road, Wuhan, China;2. Department of Mechanical Engineering, The University of Auckland, 20 Symonds Street, Auckland, New Zealand;1. Consorzio Milano Ricerche, via Roberto Cozzi 53, Milano, 20125, Italy;2. Department of Computer Science, Systems and Communication, University of Milano-Bicocca, viale Sarca 336, Milano, 20126, Italy |
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| Abstract: | Computational Physics by Parallel Array Computer System (CP-PACS) is a massively parallel processor developed and in full operation at the Center for Computational Physics at the University of Tsukuba. It is an MIMD machine with a distributed memory, equipped with 2048 processing units and 128 GB of main memory. The theoretical peak performance of CP-PACS is 614.4 Gflops. CP-PACS achieved 368.2 Gflops with the Linpack benchmark in 1996, which at that time was the fastest Gflops rating in the world.CP-PACS has two remarkable features. Pseudo Vector Processing feature (PVP-SW) on each node processor, which can perform high speed vector processing on a single chip superscalar microprocessor; and a 3-dimensional Hyper-Crossbar (3-D HXB) Interconnection network, which provides high speed and flexible communication among node processors.In this article, we present the overview of CP-PACS, the architectural topics, some details of hardware and support software, and several performance results. |
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| Keywords: | Massively parallel processor Distributed memory Processor architecture Interconnection network System software Compiler Performance Benchmark |
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