Search Results for author: Ke Xue

Found 12 papers, 6 papers with code

Escaping Local Optima in Global Placement

no code implementations28 Feb 2024 Ke Xue, Xi Lin, Yunqi Shi, Shixiong Kai, Siyuan Xu, Chao Qian

Placement is crucial in the physical design, as it greatly affects power, performance, and area metrics.

Reinforced In-Context Black-Box Optimization

1 code implementation27 Feb 2024 Lei Song, Chenxiao Gao, Ke Xue, Chenyang Wu, Dong Li, Jianye Hao, Zongzhang Zhang, Chao Qian

In this paper, we propose RIBBO, a method to reinforce-learn a BBO algorithm from offline data in an end-to-end fashion.

In-Context Learning Meta-Learning

Quality-Diversity Algorithms Can Provably Be Helpful for Optimization

no code implementations19 Jan 2024 Chao Qian, Ke Xue, Ren-Jian Wang

In this paper, we try to shed some light on the optimization ability of QD algorithms via rigorous running time analysis.

Evolutionary Algorithms

Stochastic Bayesian Optimization with Unknown Continuous Context Distribution via Kernel Density Estimation

1 code implementation16 Dec 2023 Xiaobin Huang, Lei Song, Ke Xue, Chao Qian

Considering that the estimated PDF may have high estimation error when the true distribution is complicated, we further propose the second algorithm that optimizes the distributionally robust objective.

Bayesian Optimization Density Estimation

Diversity from Human Feedback

no code implementations10 Oct 2023 Ren-Jian Wang, Ke Xue, Yutong Wang, Peng Yang, Haobo Fu, Qiang Fu, Chao Qian

DivHF learns a behavior descriptor consistent with human preference by querying human feedback.

Combinatorial Optimization Ensemble Learning

Robust multi-agent coordination via evolutionary generation of auxiliary adversarial attackers

1 code implementation10 May 2023 Lei Yuan, Zi-Qian Zhang, Ke Xue, Hao Yin, Feng Chen, Cong Guan, Li-He Li, Chao Qian, Yang Yu

Concretely, to avoid the ego-system overfitting to a specific attacker, we maintain a set of attackers, which is optimized to guarantee the attackers high attacking quality and behavior diversity.

SMAC+

Multi-agent Dynamic Algorithm Configuration

1 code implementation13 Oct 2022 Ke Xue, Jiacheng Xu, Lei Yuan, Miqing Li, Chao Qian, Zongzhang Zhang, Yang Yu

MA-DAC formulates the dynamic configuration of a complex algorithm with multiple types of hyperparameters as a contextual multi-agent Markov decision process and solves it by a cooperative multi-agent RL (MARL) algorithm.

Multi-Armed Bandits Reinforcement Learning (RL)

Monte Carlo Tree Search based Variable Selection for High Dimensional Bayesian Optimization

1 code implementation4 Oct 2022 Lei Song, Ke Xue, Xiaobin Huang, Chao Qian

Bayesian optimization (BO) is a class of popular methods for expensive black-box optimization, and has been widely applied to many scenarios.

Bayesian Optimization Variable Selection

Heterogeneous Multi-agent Zero-Shot Coordination by Coevolution

no code implementations9 Aug 2022 Ke Xue, Yutong Wang, Cong Guan, Lei Yuan, Haobo Fu, Qiang Fu, Chao Qian, Yang Yu

Generating agents that can achieve zero-shot coordination (ZSC) with unseen partners is a new challenge in cooperative multi-agent reinforcement learning (MARL).

Multi-agent Reinforcement Learning

Bayesian Optimization using Pseudo-Points

no code implementations12 Oct 2019 Chao Qian, Hang Xiong, Ke Xue

Bayesian optimization (BO) is a popular approach for expensive black-box optimization, with applications including parameter tuning, experimental design, robotics.

Bayesian Optimization Experimental Design

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