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SCIENTIFIC parallel COMPUTING WITH TRANSPUTER NETWORKS

International Journal of High Speed Computing 1989年第3期1卷 383-398页

作者： A. COSNUAU P. LECA ONERA Parallel Computing Subdivision B.P. 72 92322 Chatillon Cedex France

This paper describes research conducted at ONERA using the Transputer as building block for experimentation in the field of scientific multiprocessing. The first part describes our experimental systems based on T800–20 Transputers and gives performance measurements of some kernel operations. The second part is devoted to the implementation of two simulation codes on a network of forty Transputers. The first concerns a finite element dynamic analysis of a large scale structural problem. The aim is to compute the dynamic response of a clamped cylindrical beam subjected to a time dependent force. The second code simulates the behaviour of particles in an accelerator. This chromaticity correction code, called PATRICIA [17], has been adapted to our multi-Transputer system. All these experiments were conducted using OCCAM2, the parallel programming language of the Transputer.

关键词： Transputer distributed parallel architectures reconfigurable network simulation of particles preconditioned conjugate gradient method

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MONTE CARLO SIMULATIONS OF MOLECULAR CLUSTERS: FROM SCALAR TO parallel

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International Journal of High Speed Computing 1990年第4期2卷 289-310页

作者： MARTIN SCHÜTZ STEFAN WÜLFERT SAMUEL LEUTWYLER Institut für anorganische analytische und physikalische Chemie Universität Bern Freiestr.3 3000 Bern 9 Switzerland

The parallelization of a structurally inhomogeneous Metropolis Monte Carlo particle/ potential problem was studied in an application to solvent clusters. The program was ported to a small parallel-processor system consisting of five T800–20 transputers. Different topologies are discussed. The optimum topology depends on the size of the computational problem; for our problem size it is a modified tree structure. Benchmarks are given for a transputer farm, and compared with results obtained on various scalar and vector processors.

关键词： Transputer distributed parallel architectures Metropolis Monte Carlo simulation of particles

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