activity
20242026
collaborators

7 papers

cs.LG2026

LongStraw: Long-Context RL Beyond 2M Tokens under a Fixed GPU Budget

Changhai Zhou, Kieran Liu, Yuhua Zhou +17

Long-context RL post-training is constrained by the lifetime of state and gradients, not attention cost alone. In GRPO, one multi-million-token prompt must serve old-policy and ref…

cs.CV2026

Divide-and-Conquer Inference for Large-Scale Visual Recognition with Multimodal Large Language Models

Zhipeng Ye, Jiaqi Huang, Feng Jiang +5

Multimodal Large Language Models (MLLMs) have demonstrated strong capabilities across a wide range of vision language tasks. However, when applied to large scale image classificati…

cs.SE2026

CoRE: A Fine-Grained Code Reasoning Benchmark Beyond Output Prediction

Jun Gao, Yun Peng, Qian Qiao +6

Despite strong performance on code generation tasks, it remains unclear whether large language models (LLMs) genuinely reason about code execution. Existing code reasoning benchmar…

cs.LG2026

AutoQRA: Joint Optimization of Mixed-Precision Quantization and Low-rank Adapters for Efficient LLM Fine-Tuning

Changhai Zhou, Shiyang Zhang, Yuhua Zhou +5

Quantization followed by parameter-efficient fine-tuning has emerged as a promising paradigm for downstream adaptation under tight GPU memory constraints. However, this sequential…

cs.LG2025

Balancing Fidelity and Plasticity: Aligning Mixed-Precision Fine-Tuning with Linguistic Hierarchies

Changhai Zhou, Shiyang Zhang, Yuhua Zhou +5

Deploying and fine-tuning Large Language Models (LLMs) on resource-constrained edge devices requires navigating a strict trade-off between memory footprint and task performance. Wh…

cs.LG2025

Large Language Model Compression with Global Rank and Sparsity Optimization

Changhai Zhou, Qian Qiao, Yuhua Zhou +4

Low-rank and sparse composite approximation is a natural idea to compress Large Language Models (LLMs). However, such an idea faces two primary challenges that adversely affect the…

cs.LG2024

QPruner: Probabilistic Decision Quantization for Structured Pruning in Large Language Models

Changhai Zhou, Yuhua Zhou, Shijie Han +2

The rise of large language models (LLMs) has significantly advanced various natural language processing (NLP) tasks. However, the resource demands of these models pose substantial…