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Proceedings Paper

An Experimental LISP Machine
Author(s): Wang Lun
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Paper Abstract

This paper presents a multi-microprocessor LISP machine whose goal is to exploit the inherent parallelism in the LISP programs fully. The base architecture is a MIMD architecture based on a hybrid model for combinating data driven, demand driven and VoN Neumann process schemes. The basic evaluation strategy is data driven. Lazy evaluation mechanism is introduced to avoid unnecessary and unsafe computations. An experimental system with the four processor elements has been built in HIT, China. The system consists of a Z80 microcomputer and three TP8O1s interconnected through three buses. Each processor evaluates a part of programs asynchronously. The shared memory is divided into two parts: list cell area and enviroment area, each of which has the indepen-dent common bus to avoid the bus bottleneck.

Paper Details

Date Published: 6 April 1987
PDF: 3 pages
Proc. SPIE 0657, Applications of Artificial Intelligence IV, (6 April 1987); doi: 10.1117/12.938502
Show Author Affiliations
Wang Lun, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 0657:
Applications of Artificial Intelligence IV
John F. Gilmore, Editor(s)

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