Electronic Resource
Springer
International journal of parallel programming
16 (1987), S. 87-125
ISSN:
1573-7640
Keywords:
Concurrent logic programming
;
performance evaluation
;
Concurrent Prolog
;
Parlog
Source:
Springer Online Journal Archives 1860-2000
Topics:
Computer Science
Notes:
Abstract Three similar parallel logic programming languages have been proposed; Parlog, Flat Concurrent Prolog, and Guarded Horn Clauses. Quantitative comparison of the languages has not previously been possible since they employ different execution models and implementation techniques. In order to uncover the effects of semantic differences on efficiency, a common basis is required for experimentation. This paper presents a subset of the languageParlog calledFlat Parlog which provides a basis for quantitative comparison. The language combines the directional semantics of Parlog with the simple execution model of Flat Concurrent Prolog. A performance comparison between Flat Parlog and Flat Concurrent Prolog based on new implementations of both languages is presented. These new implementations are identical except for optimizations that are possible by virtue of semantic differences. Benchmark results indicate that Flat Parlog is more efficient; experiments have been able to quantify and explain this performance differential. A detailed description of the abstract machine for Flat Parlog is presented to illustrate the simplicity of the language.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01379097
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