Search Results for author: Bolong Cheng

Found 3 papers, 1 papers with code

SigOpt Mulch: An Intelligent System for AutoML of Gradient Boosted Trees

no code implementations10 Jul 2023 Aleksei Sorokin, Xinran Zhu, Eric Hans Lee, Bolong Cheng

In this paper, we present SigOpt Mulch, a model-aware hyperparameter tuning system specifically designed for automated tuning of GBTs that provides two improvements over existing systems.

Hyperparameter Optimization

Achieving Diversity in Objective Space for Sample-efficient Search of Multiobjective Optimization Problems

no code implementations23 Jun 2023 Eric Hans Lee, Bolong Cheng, Michael McCourt

Efficiently solving multi-objective optimization problems for simulation optimization of important scientific and engineering applications such as materials design is becoming an increasingly important research topic.

Multiobjective Optimization

Efficient Rollout Strategies for Bayesian Optimization

1 code implementation24 Feb 2020 Eric Hans Lee, David Eriksson, Bolong Cheng, Michael McCourt, David Bindel

Non-myopic acquisition functions consider the impact of the next $h$ function evaluations and are typically computed through rollout, in which $h$ steps of BO are simulated.

Bayesian Optimization

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