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Zhiyi Lyu

2 accepted papers

2025

Let's Revise Step-by-Step: A Unified Local Search Framework for Code Generation with LLMs

NeurIPS 2025poster

Large Language Models (LLMs) with inference-time scaling techniques show promise for code generation, yet face notable efficiency and scalability challenges. Construction-based tree-search methods suffer from rapid growth in tree size, high token consumption, and lack of anytime property. In contras…

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2025

Towards Efficient Online Tuning of VLM Agents via Counterfactual Soft Reinforcement Learning

ICML 2025poster

Online fine-tuning vision-language model (VLM) agents with reinforcement learning (RL) has shown promise for equipping agents with multi-step, goal-oriented capabilities in dynamic environments. However, their open-ended textual action space and non-end-to-end nature of action generation present sig…