Benchmarking metaheuristic algorithms: a comprehensive review of test functions, real-world

Title - The impact of ai-suggested content and resources on student curiosity and explorative learning

Author's Name - Saman M. Almufti‎, Renas Rajab Asaad, Awaz Ahmed Shaban, Ridwan Boya Marqas

Abstract -The proliferation of metaheuristic algorithms for solving complex optimization problems has necessitated robust and standardized benchmarking practices. A fair and comprehensive evaluation is crucial for validating an algorithm's performance, understanding its strengths and weaknesses, and guiding future algorithmic development. This paper provides a comprehensive review of the landscape of benchmarking in metaheuristic optimization. We systematically categorize and detail the primary types of benchmark problems, including the classic set of 23 mathematical functions, real-world engineering problems, specialized CEC benchmark suites, combinatorial optimization benchmarks, and multi-objective problems. For each category, we present the fundamental mathematical formulations and discuss their specific characteristics and challenges. Furthermore, we outline the standard evaluation metrics used to quantify algorithmic performance. Finally, we discuss current challenges in benchmarking, such as the no free lunch theorem, the issue of overfitting to test suites, and the need for more diverse and real-world benchmarks. This review serves as a foundational guide for researchers and practitioners in selecting appropriate benchmarks and conducting rigorous, reproducible evaluations of metaheuristic algorithms.

Keywords: Metaheuristics, Benchmarking, Test Functions, CEC, Performance Evaluation

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