FIBO directly samples the optimum from a pretrained in-context generative model, bypassing surrogate fitting and acquisition function maximization, and matches GP-based Bayesian optimization in quality while being far faster.
Auto-sklearn 2.0: Hands-free automl via meta-learning.JMLR, 23(261), 2022
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Simplifying Bayesian Optimization Via In-Context Direct Optimum Sampling
FIBO directly samples the optimum from a pretrained in-context generative model, bypassing surrogate fitting and acquisition function maximization, and matches GP-based Bayesian optimization in quality while being far faster.