A linear algebra package for a local memory multiprocessor: Problems, proposals and solutions |
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Authors: | W. R nsch,H. Strauss |
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Affiliation: | Prof. Dr. Feilmeier, Junker & Co., GmbH, Würmseestrasse 35, D-8000, Munchen 71, Fed. Rep. Germany |
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Abstract: | This paper is concerned with principal considerations for developing a linear algebra package for the SUPRENUM computer. The design goals, as well as the mapping strategy of the parallelization methodology, are described briefly. Finally, a basic factorization scheme is introduced which can be readily tailored to the LU, Cholesky and QR factorization provided that the corresponding matrices are distributed according to the column-oriented wrap mapping. |
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Keywords: | Distributed-memory message-passing multiprocessor system linear algebra design goals parallelization mapping strategy communication costs |
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