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A linear systolic array for LU decomposition

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2 Author(s)
Casseau, E. ; Lab. Circuits Integres Telecom, Ecole Nat. Superieure des Telecommun. de Bretagne, Brest, France ; Degrugillier, D.

Systolic machines or arrays are devices attached to a conventional computer to perform special-purpose functions with extremely high speed. This paper presents a systolic array for decomposing a matrix into its lower and upper triangular factors (LU decomposition). The chip we present is based on a linear systolic array and has interesting features such as a reduced number of cells and few I/Os. It is shown how the computations should be performed on band matrices which occur in several numerical problems, particularly in finite element analysis

Published in:

VLSI Design, 1994., Proceedings of the Seventh International Conference on

Date of Conference:

5-8 Jan 1994