activity
20242026
collaborators

12 papers

cs.LG2026

ReLoRA: Knowledge-Reusing Adaptation for Fast Rollout of Evolving LLM Services

Yang Xu, Zihuai Xu, Hongli Xu +3

Large Language Models (LLMs) are increasingly deployed as continuously evolving services, where frequent base-model updates may invalidate previously deployed task-specific Low-Ran…

cs.DC2025

DySTop

Yizhou Shi, Qianpiao Ma, Yan Xu +4

Federated Learning (FL) has emerged as a potential distributed learning paradigm that enables model training on edge devices (i.e., workers) while preserving data privacy. However,…

cs.DC2025

Cross-region Model Training with Communication-Computation Overlapping and Delay Compensation

Ying Zhu, Yang Xu, Hongli Xu +3

Training large language models (LLMs) requires massive computational resources, often necessitating the aggregation of geographically distributed data centers (\ie, cross-region tr…

cs.LG2025

Resource-Efficient Federated Fine-Tuning Large Language Models for Heterogeneous Data

Jun Liu, Yunming Liao, Hongli Xu +1

Fine-tuning large language models (LLMs) via federated learning, i.e., FedLLM, has been proposed to adapt LLMs for various downstream applications in a privacy-preserving way. To r…

cs.LG2025

A Novel Hat-Shaped Device-Cloud Collaborative Inference Framework for Large Language Models

Zuan Xie, Yang Xu, Hongli Xu +2

Recent advancements in large language models (LLMs) have catalyzed a substantial surge in demand for LLM services. While traditional cloud-based LLM services satisfy high-accuracy…

cs.LG2025

Lightweight and Post-Training Structured Pruning for On-Device Large Lanaguage Models

Zihuai Xu, Yang Xu, Hongli Xu +3

Considering the hardware-friendly characteristics and broad applicability, structured pruning has emerged as an efficient solution to reduce the resource demands of large language…