An Experimental LISP Machine

Wang Lun

doi:10.1117/12.938502

6 April 1987 An Experimental LISP Machine

Wang Lun

Proceedings Volume 0657, Applications of Artificial Intelligence IV; (1987) https://doi.org/10.1117/12.938502
Event: 1986 International Symposium/Innsbruck, 1986, Innsbruck, Austria

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.

Citation Download Citation

Wang Lun "An Experimental LISP Machine", Proc. SPIE 0657, Applications of Artificial Intelligence IV, (6 April 1987); https://doi.org/10.1117/12.938502

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