collaborators

5 papers

cs.LG2026

DASH: Fast Differentiable Architecture Search for Hybrid Attention in Minutes on a Single GPU

Weizhe Chen, Miao Zhang, Junpeng Jiang +3

Hybrid attention architectures are becoming an increasingly important paradigm for improving LLM inference efficiency while preserving model quality, making hybrid architecture des…

cs.LG2025

LSPO: Length-aware Dynamic Sampling for Policy Optimization in LLM Reasoning

Weizhe Chen, Sven Koenig, Bistra Dilkina

Since the release of Deepseek-R1, reinforcement learning with verifiable rewards (RLVR) has become a central approach for training large language models (LLMs) on reasoning tasks.…

cs.CL2025

Iterative Deepening Sampling as Efficient Test-Time Scaling

Weizhe Chen, Sven Koenig, Bistra Dilkina

Recent reasoning models, such as OpenAI's O1 series, have demonstrated exceptional performance on complex reasoning tasks and revealed new test-time scaling laws. Inspired by this,…

cs.LG2025

Flaming-hot Initiation with Regular Execution Sampling for Large Language Models

Weizhe Chen, Zhicheng Zhang, Guanlin Liu +6

Since the release of ChatGPT, large language models (LLMs) have demonstrated remarkable capabilities across various domains. A key challenge in developing these general capabilitie…

cs.CL2025

RePrompt: Planning by Automatic Prompt Engineering for Large Language Models Agents

Weizhe Chen, Sven Koenig, Bistra Dilkina

In the past year, large language models (LLMs) have had remarkable success in domains outside the traditional natural language processing, and their capacity is further expanded in…