New paper proposes anisotropic trust region warping for PFNs in Bayesian optimisation
A new arXiv paper introduces anisotropic trust region warping for Prior-Data Fitted Networks, which replace hyperparameter refitting of Gaussian Process surrogates in Bayesian optimisation with a single forward pass.
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- 2026-10-30 04:00 · arXiv cs.LG
Anisotropic Trust Region Warping for Prior-Data Fitted Networks in Bayesian Optimisation