The Influence of Elitism Strategy on Migration Intervals of a Distributed Genetic Algorithm

  • Takeshi Uchida
  • Teruo Matsuzawa
  • Yasushi Inoguchi
Conference paper
Part of the Proceedings in Adaptation, Learning and Optimization book series (PALO, volume 2)


A distributed genetic algorithm is an important technique on practical use. To parallelize distributed genetic algorithms, researchers have been discussing various advanced algorithms with reduced migrations. An interesting previous study shows that both too long migration interval and too short migration interval cause a degraded performance in finding solutions. This paper assumes that a cause degrading the performance is a behavior of elites and also discusses a modified elitist model. The experiments show that a modified elitist model improves the performance even if the migration intervals are not set appropriately. These results seem to be design guides for discussing distributed genetic algorithms with reduced migrations.


evolutionary computation genetic algorithm island model multiple populations migration elitist model convergence 


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Takeshi Uchida
    • 1
  • Teruo Matsuzawa
    • 2
  • Yasushi Inoguchi
    • 2
  1. 1.Salesian PolytechnicTokyoJapan
  2. 2.Japan Advanced Institute of Science and TechnologyIshikawaJapan

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