activity
20232026
most citedStochastic Bayesian Optimization with Unknown Continuous Context Distribution via Kernel Density Estimation

2 citations · 7 across the 16 of their papers we have counts for

collaborators

17 papers

cs.AI2026

Self-Evolving Algorithm-Design Agents: Escaping In-Context Evolutionary Stagnation via Population-Curated Policy Optimization

Chen Lu, Ke Xue, Siyuan Xu +2

Large language models are increasingly participating in complex real-world tasks in the form of algorithm-design agents, designing and refining algorithms. Many successful algorith…

cs.AR2026

How Can Reinforcement Learning Achieve Expert-level Placement?

Ruo-Tong Chen, Ke Xue, Chengrui Gao +7

Chip placement is a critical step in physical design. While reinforcement learning (RL)-based methods have recently emerged, their training primarily focuses on wirelength optimiza…

cs.AR2026

FlowPlace: Flow Matching for Chip Placement

Peng Xie, Ke Xue, Yunqi Shi +6

Chip placement plays an important role in physical design. While generative models like diffusion models offer promising learning-based solutions, current methods have the followin…

cs.AR2025

ReMaP: Macro Placement by Recursively Prototyping and Packing Tree-based Relocating

Yunqi Shi, Xi Lin, Zhiang Wang +8

This work introduces the ReMaP method, which generates expert-quality macro placements through recursively prototyping and packing tree-based relocating. We first perf…

cs.LG2025

BBOPlace-Bench: Benchmarking Black-Box Optimization for Chip Placement

Ke Xue, Ruo-Tong Chen, Rong-Xi Tan +5

Chip placement is a vital stage in modern chip design, and black-box optimization (BBO) has been applied to it for decades. Early BBO efforts, however, were limited by immature pro…

cs.LG2025

Towards Universal Offline Black-Box Optimization via Learning Language Model Embeddings

Rong-Xi Tan, Ming Chen, Ke Xue +4

The pursuit of universal black-box optimization (BBO) algorithms is a longstanding goal. However, unlike domains such as language or vision, where scaling structured data has drive…

cs.LG2025

Quality-Diversity Red-Teaming: Automated Generation of High-Quality and Diverse Attackers for Large Language Models

Ren-Jian Wang, Ke Xue, Zeyu Qin +7

Ensuring the safety and robustness of large language models (LLMs) is a fundamental challenge and a critical prerequisite for the responsible deployment of artificial intelligence.…

cs.AR2025★ 1 cited

Open3DBench: Open-Source Benchmark for 3D-IC Backend Implementation and PPA Evaluation

Yunqi Shi, Chengrui Gao, Wanqi Ren +6

This work introduces Open3DBench, an open-source 3D-IC backend implementation benchmark built upon the OpenROAD-flow-scripts framework, enabling comprehensive evaluation of power,…

cs.AR2025★ 1 cited

Timing-Driven Global Placement by Efficient Critical Path Extraction

Yunqi Shi, Siyuan Xu, Shixiong Kai +4

Timing optimization during the global placement of integrated circuits has been a significant focus for decades, yet it remains a complex, unresolved issue. Recent analytical metho…

cs.LG2025

Pareto Set Learning for Multi-Objective Reinforcement Learning

Erlong Liu, Yu-Chang Wu, Xiaobin Huang +4

Multi-objective decision-making problems have emerged in numerous real-world scenarios, such as video games, navigation and robotics. Considering the clear advantages of Reinforcem…

cs.LG2024★ 1 cited

Reinforcement Learning Policy as Macro Regulator Rather than Macro Placer

Ke Xue, Ruo-Tong Chen, Xi Lin +4

In modern chip design, placement aims at placing millions of circuit modules, which is an essential step that significantly influences power, performance, and area (PPA) metrics. R…

cs.LG2024

Quality-Diversity with Limited Resources

Ren-Jian Wang, Ke Xue, Cong Guan +1

Quality-Diversity (QD) algorithms have emerged as a powerful optimization paradigm with the aim of generating a set of high-quality and diverse solutions. To achieve such a challen…

cs.LG2024

Offline Multi-Objective Optimization

Ke Xue, Rong-Xi Tan, Xiaobin Huang +1

Offline optimization aims to maximize a black-box objective function with a static dataset and has wide applications. In addition to the objective function being black-box and expe…

cs.LG2024★ 1 cited

Escaping Local Optima in Global Placement

Ke Xue, Xi Lin, Yunqi Shi +3

Placement is crucial in the physical design, as it greatly affects power, performance, and area metrics. Recent advancements in analytical methods, such as DREAMPlace, have demonst…

cs.LG2024★ 1 cited

Reinforced In-Context Black-Box Optimization

Lei Song, Chenxiao Gao, Ke Xue +5

Black-Box Optimization (BBO) has found successful applications in many fields of science and engineering. Recently, there has been a growing interest in meta-learning particular co…

cs.NE2024

Quality-Diversity Algorithms Can Provably Be Helpful for Optimization

Chao Qian, Ke Xue, Ren-Jian Wang

Quality-Diversity (QD) algorithms are a new type of Evolutionary Algorithms (EAs), aiming to find a set of high-performing, yet diverse solutions. They have found many successful a…

cs.LG2023★ 2 cited

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

Xiaobin Huang, Lei Song, Ke Xue +1

Bayesian optimization (BO) is a sample-efficient method and has been widely used for optimizing expensive black-box functions. Recently, there has been a considerable interest in B…