Abstract
Island Parallel GA divides a population into subpopulations and assigns them to processing elements on a parallel computer. Then each subpopulation searches the optimal solution independently, and exchanges individuals periodically. This exchange operation is called migration. In this research, we propose a new algorithm that migrants are exchanged asynchronously among multiform subpopulations which have different search conditions. The effect of our algorithm on combinational optimization problems was verified by applying the algorithm to Knapsack Problem and Royal Road Functions using parallel computer CRAY-T3E. We obtained the results that our algorithm maintained the population’s diversity effectively and searches building blocks efficiently.
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© 1999 Springer-Verlag Berlin Heidelberg
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Horii, H., Kunifuji, S., Matsuzawa, T. (1999). Asynchronous Island Parallel GA Using Multiform Subpopulations. In: McKay, B., Yao, X., Newton, C.S., Kim, JH., Furuhashi, T. (eds) Simulated Evolution and Learning. SEAL 1998. Lecture Notes in Computer Science(), vol 1585. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48873-1_17
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DOI: https://doi.org/10.1007/3-540-48873-1_17
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