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Parallel Genetic Algorithms Based on a Multiprocessor System FIN and Its Application
Myung-Mook HAN Shoji TATSUMI Yasuhiko KITAMURA Takaaki OKUMOTO
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/11/25
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Algorithms and Data Structures
parallel processing, genetic algorithm, multiprocessor, traveling salesman problem,
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Genetic Algorithm (GA) is the method of approaching optimization problem by modeling and simulating the biological evolution. As the genetic algorithm is rather time consuming, the use of a parallel genetic algorithm can be advantage. This paper describes new methods for fine-grained parallel genetic algorithm using a multiprocessor system FIN. FIN has a VLSI-oriented interconnection network, and is constructed from a viewpoint of fractal geometry so that self-similarity is considered in its configuration. The performance of the proposed methods on the Traveling Salesman Problem (TSP), which is an NP-hard problem in the field of combinatorial optimization, is compared to that of the simple genetic algorithm and the traditional fine-grained parallel genetic algorithm. The results indicate that the proposed methods yield improvement to find better solutions of the TSP.