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The Computer Journal 1988 31(1):83-91; doi:10.1093/comjnl/31.1.83
© 1988 by British Computer Society
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The Unification of Systolic Differencing Algorithms

G. M. Megson and D. J. Evans *

Department of Computer Studies, Loughborough University of Technology, Loughborough, Leicestershire, LE11 3TU, UK

A templating method for the fast derivation of systolic arrays is presented and discussed in relation to differencing formulae and similar problems which generate tabular representations. Individual designs can be optimised and generate a full table in O(n) rather than the O(n2) operations (where n is the number of starting values). Finally the designs are incorporated into a single array i.e. the Unified Systolic Array for Differencing (USAD), which can be used as a cheap chip-based ‘add-on’ device to accelerate algorithms involving table generation and differencing.

Received March 1986. revised July 1986.

* To whom correspondence should be addressed.

§ Department of Computer Studies, Loughborough University of Technology, Loughborough, Leicestershire, LE11 3TU


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