collaborators

7 papers

cs.LG2026

Efficiently Aligning Draft Models via Parameter- and Data-Efficient Adaptation

Luxi Lin, Zhihang Lin, Zhanpeng Zeng +5

Speculative decoding accelerates LLM inference but suffers from performance degradation when target models are fine-tuned for specific domains. A naive solution is to retrain draft…

cs.CV2025

Parallel Vision Token Scheduling for Fast and Accurate Multimodal LMMs Inference

Wengyi Zhan, Mingbao Lin, Zhihang Lin +1

Multimodal large language models (MLLMs) deliver impressive vision-language reasoning but suffer steep inference latency because self-attention scales quadratically with sequence l…

cs.AI2025

CPPO: Accelerating the Training of Group Relative Policy Optimization-Based Reasoning Models

Zhihang Lin, Mingbao Lin, Yuan Xie +1

This paper introduces Completion Pruning Policy Optimization (CPPO) to accelerate the training of reasoning models based on Group Relative Policy Optimization (GRPO). GRPO, while e…

cs.CV2025

AccDiffusion v2: Towards More Accurate Higher-Resolution Diffusion Extrapolation

Zhihang Lin, Mingbao Lin, Wengyi Zhan +1

Diffusion models suffer severe object repetition and local distortion when the inference resolution differs from its pre-trained resolution. We propose AccDiffusion v2, an accurate…

cs.CV2025

Speculative Decoding Reimagined for Multimodal Large Language Models

Luxi Lin, Zhihang Lin, Zhanpeng Zeng +1

This paper introduces Multimodal Speculative Decoding (MSD) to accelerate Multimodal Large Language Models (MLLMs) inference. Speculative decoding has been shown to accelerate Larg…

cs.CV2025

LightMotion: A Light and Tuning-free Method for Simulating Camera Motion in Video Generation

Quanjian Song, Zhihang Lin, Zhanpeng Zeng +3

Existing camera motion-controlled video generation methods face computational bottlenecks in fine-tuning and inference. This paper proposes LightMotion, a light and tuning-free met…