collaborators

7 papers

cs.LG2026

MosaicQuant: Inlier-Outlier Disaggregation for Unified 4-Bit LLM Quantization

Yangjia Hu, Haodong Wang, Zicong Hong +8

4-bit quantization significantly reduces the memory footprint and accelerates the inference of large language models (LLMs). However, its limited bit-width representation struggles…

cs.LG2026

Director: Accelerating Distributed MoE Serving via Online Proactive Expert Placement

Qianli Liu, Kaibin Guo, Zicong Hong +5

Expert parallelism has become the prevailing paradigm to serve Mixture-of-Experts (MoE) models. Its efficiency depends on the communication and computation latencies of the GPUs, w…

cs.DC2026

TwinQuant: Learnable Subspace Decomposition for 4-Bit LLM Quantization

Haodong Wang, Junjie Liu, Zicong Hong +4

4-bit quantization reduces the memory footprint and latency of large language model inference, but its aggressive precision reduction can severely degrade accuracy. Prior methods a…

cs.CL2026

KVDrive: A Holistic Multi-Tier KV Cache Management System for Long-Context LLM Inference

Jian Lin, Jiazhi Mi, Zicong Hong +5

Supporting long-context LLMs is challenging due to the substantial memory demands of the key-value (KV) cache. Existing offloading systems store the full cache in host memory and s…

cs.CL2026

PPAI: Enabling Personalized LLM Agent Interoperability for Collaborative Edge Intelligence

Zile Wang, Qianli Liu, Kaibin Guo +4

Deploying large language model (LLM) on edge device enables personalized LLM agents for various users. The growing availability of diverse personalized agents presents a unique opp…

cs.CV2026

Sparse-to-Dense: A Free Lunch for Lossless Acceleration of Video Understanding in LLMs

Xuan Zhang, Cunxiao Du, Sicheng Yu +4

Due to the auto-regressive nature of current video large language models (Video-LLMs), the inference latency increases as the input sequence length grows, posing challenges for the…