Dynamic instance sampling for multi-objective automatic algorithm configuration

IF 8.2 1区 计算机科学 Q1 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
Yuchen Li, Handing Wang
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引用次数: 0

Abstract

Multi-objective automatic algorithm configuration alleviates the tedious parameter tuning for users by optimizing both the performance and efficiency of the target algorithm. Its evaluation requires performing multiple runs for each configuration on an instance set, making the computational cost expensive. Especially for real-world application problems, it is crucial to reduce computational costs under limited budgets. However, when the instance set is large, model-based approaches struggle to further reduce the high cost of configuration evaluations, which remains a significant challenge. To address this, we propose a Kriging-assisted Two_Arch2 with dynamic instance sampling algorithm, which aims to reduce the high costs of configuration evaluations by lowering the fidelity of the evaluations. Specifically, we align the number of evaluation instances with the evaluation fidelity and design a dynamic instance sampling strategy to effectively control the frequency of new instance sampling, enabling fidelity switching. Moreover, a trade-off configuration selection method is proposed to assist users in choosing configurations when preferences are unclear. The proposed method has been tested on numerous instances from the BBOB benchmark suite. The experimental results demonstrate that the performance of the proposed algorithm outperforms other state-of-the-art methods.
动态实例采样的多目标自动算法配置
多目标自动算法配置通过优化目标算法的性能和效率,减轻了用户繁琐的参数调优。它的评估需要对实例集上的每个配置执行多次运行,这使得计算成本非常昂贵。特别是对于实际应用程序问题,在有限的预算下降低计算成本至关重要。然而,当实例集很大时,基于模型的方法难以进一步降低配置评估的高成本,这仍然是一个重大挑战。为了解决这个问题,我们提出了一种kriging辅助的Two_Arch2动态实例采样算法,该算法旨在通过降低评估的保真度来降低配置评估的高成本。具体而言,我们将评估实例的数量与评估保真度保持一致,并设计了动态实例采样策略,以有效控制新实例采样的频率,实现保真度切换。此外,提出了一种权衡配置选择方法,以帮助用户在偏好不明确的情况下选择配置。所提出的方法已经在BBOB基准测试套件的许多实例上进行了测试。实验结果表明,该算法的性能优于其他最先进的方法。
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来源期刊
Swarm and Evolutionary Computation
Swarm and Evolutionary Computation COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCEC-COMPUTER SCIENCE, THEORY & METHODS
CiteScore
16.00
自引率
12.00%
发文量
169
期刊介绍: Swarm and Evolutionary Computation is a pioneering peer-reviewed journal focused on the latest research and advancements in nature-inspired intelligent computation using swarm and evolutionary algorithms. It covers theoretical, experimental, and practical aspects of these paradigms and their hybrids, promoting interdisciplinary research. The journal prioritizes the publication of high-quality, original articles that push the boundaries of evolutionary computation and swarm intelligence. Additionally, it welcomes survey papers on current topics and novel applications. Topics of interest include but are not limited to: Genetic Algorithms, and Genetic Programming, Evolution Strategies, and Evolutionary Programming, Differential Evolution, Artificial Immune Systems, Particle Swarms, Ant Colony, Bacterial Foraging, Artificial Bees, Fireflies Algorithm, Harmony Search, Artificial Life, Digital Organisms, Estimation of Distribution Algorithms, Stochastic Diffusion Search, Quantum Computing, Nano Computing, Membrane Computing, Human-centric Computing, Hybridization of Algorithms, Memetic Computing, Autonomic Computing, Self-organizing systems, Combinatorial, Discrete, Binary, Constrained, Multi-objective, Multi-modal, Dynamic, and Large-scale Optimization.
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