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Compact Differential Evolution Light： High Performance Despite Limited Memory Requirement and Modest Computational Overhead
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Compact Differential Evolution Light： High Performance Despite Limited Memory Requirement and Modest Computational Overhead
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Journal Article
Compact Differential Evolution Light： High Performance Despite Limited Memory Requirement and Modest Computational Overhead
2012
Overview
Compact algorithms are Estimation of Distribution Algorithms which mimic the behavior of population-based algorithms by means of a probabilistic representation of the population of candidate solutions. These algorithms have a similar behaviour with respect to population-based algorithms but require a much smaller memory. This feature is crucially important in some engineering applications, especially in robotics. A high performance compact algorithm is the compact Differential Evolution （cDE） algorithm. This paper proposes a novel implementation of cDE, namely compact Differential Evolution light （cDElight）, to address not only the memory saving necessities but also real-time requirements, cDElight employs two novel algorithmic modifications for employing a smaller computational overhead without a performance loss, with respect to cDE. Numerical results, carried out on a broad set of test problems, show that cDElight, despite its minimal hardware requirements, does not deteriorate the performance of cDE and thus is competitive with other memory saving and population-based algorithms. An application in the field of mobile robotics highlights the usability and advantages of the proposed approach.
Publisher
Springer US,Springer Nature B.V,Department of Mathematical Information Technology, University of Jyv(a)skyl(a), P.O.Box 35(Agora), 40014 Jyv(a)skyl(a), Finland
