期刊
出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3067695.3084214
关键词
Cooperative coevolution; large scale optimization; metamodeling
In recent years, research on large scale global optimization (LSGO) provided metaheuristics able to effectively tackle real-valued objective functions depending on thousand of variables. Nevertheless, finding a suitable solution of LSGO problems often requires a significantly high number of fitness evaluations. Therefore, when the objective function is computationally expensive, metaheuristics-based solutions of LSGO problems can easily become infeasible or at least unattractive. In this paper, we address such an issue with a joint approach based on problem decomposition, fitness meta-modeling and parallel computing. We present a preliminary numerical investigation of the proposed methodology, which provided significant gains in terms of both exact evaluations of the objective functions and parallel speedup.
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