collaborators

6 papers

cs.PF2025

Dynamic Expert Quantization for Scalable Mixture-of-Experts Inference

Kexin Chu, Dawei Xiang, Zixu Shen +3

Mixture-of-Experts (MoE) has become a practical architecture for scaling LLM capacity while keeping per-token compute modest, but deploying MoE models on a single, memory-limited G…

cs.DC2025

ExpertFlow: Adaptive Expert Scheduling and Memory Coordination for Efficient MoE Inference

Zixu Shen, Kexin Chu, Yifan Zhang +3

The expansion of large language models is increasingly limited by the constrained memory capacity of modern GPUs. To mitigate this, Mixture-of-Experts (MoE) architectures activate…

cs.MA2025

PromptSculptor: Multi-Agent Based Text-to-Image Prompt Optimization

Dawei Xiang, Wenyan Xu, Kexin Chu +5

The rapid advancement of generative AI has democratized access to powerful tools such as Text-to-Image models. However, to generate high-quality images, users must still craft deta…

cs.OS2025

CXLAimPod: CXL Memory is all you need in AI era

Yiwei Yang, Yusheng Zheng, Yiqi Chen +5

The proliferation of data-intensive applications, ranging from large language models to key-value stores, increasingly stresses memory systems with mixed read-write access patterns…

cs.CR2025

Selective KV-Cache Sharing to Mitigate Timing Side-Channels in LLM Inference

Kexin Chu, Zecheng Lin, Dawei Xiang +7

Global KV-cache sharing is an effective optimization for accelerating large language model (LLM) inference, yet it introduces an API-visible timing side channel that lets adversari…

cs.OS2024

MVVM: Deploy Your AI Agents-Securely, Efficiently, Everywhere

Yiwei Yang, Aibo Hu, Yusheng Zheng +6

The rise of AI agents powered by Large Language Models (LLMs) presents critical challenges: how to securely execute and migrate these agents across heterogeneous environments while…