Targeted Hyperparameter Optimization with Lexicographic Preferences Over Multiple ObjectivesDownload PDF

Published: 01 Feb 2023, Last Modified: 02 Mar 2023ICLR 2023 notable top 5%Readers: Everyone
Keywords: Automatic Machine learning, Hyperparameter tuning, Lexicographic preference
TL;DR: Hyperparameter tuning under lexicographic preference
Abstract: Motivated by various practical applications, we propose a novel and general formulation of targeted multi-objective hyperparameter optimization. Our formulation allows a clear specification of an automatable optimization goal using lexicographic preference over multiple objectives. We then propose a randomized directed search method named LexiFlow to solve this problem. We demonstrate the strong empirical performance of the proposed algorithm in multiple hyperparameter optimization tasks.
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