Journal
BIOINSPIRED OPTIMIZATION METHODS AND THEIR APPLICATIONS
Volume 13627, Issue -, Pages 99-113Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/978-3-031-21094-5_8
Keywords
Automated algorithm performance prediction; Exploratory landscape analysis; Algorithm behaviour
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The study proposes a methodology based on problem landscape features and explainable machine learning models for automated algorithm performance prediction. The results show that performance prediction of different DE configurations relies on different landscape features, but similar feature portfolios are important for DE configurations with similar performance.
Providing comprehensive details on how and why a stochastic optimization algorithm behaves in a particular way, on a single problem instance or a set of problem instances is a challenging task. For this purpose, we propose a methodology based on problem landscape features and explainable machine learning models, for automated algorithm performance prediction. Performing this for ten different configurations of the Differential evolution (DE) algorithm on the 24 COCO benchmark problems, it can be estimated which set of landscape features contributes the most to the correct performance prediction of each DE configuration. From the results we concluded that different landscape features are important when predicting the performance of the different DE configurations. However, for DE configurations with similar performance on the benchmark problems, the regression models identify similar feature portfolios as important for the performance prediction task. We provided explanations for the behaviour of the algorithms in this scenario, by identifying the set of most important features and further using this information to compare the different algorithms and find algorithms with similar exploration and exploitation capabilities.
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