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cs.DC2025

Towards Communication-Efficient Decentralized Federated Graph Learning over Non-IID Data

Shilong Wang, Jianchun Liu, Hongli Xu +3

Decentralized Federated Graph Learning (DFGL) overcomes potential bottlenecks of the parameter server in FGL by establishing a peer-to-peer (P2P) communication network among worker…

cs.DC2025

FedQuad: Adaptive Layer-wise LoRA Deployment and Activation Quantization for Federated Fine-Tuning

Rukuo Li, Jianchun Liu, Hongli Xu +1

Federated fine-tuning (FedFT) provides an effective paradigm for fine-tuning large language models (LLMs) in privacy-sensitive scenarios. However, practical deployment remains chal…

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.DC2025

Collaborative Speculative Inference for Efficient LLM Inference Serving

Luyao Gao, Jianchun Liu, Hongli Xu +3

Speculative inference is a promising paradigm employing small speculative models (SSMs) as drafters to generate draft tokens, which are subsequently verified in parallel by the tar…

cs.DC2024

Accelerating End-Cloud Collaborative Inference via Near Bubble-free Pipeline Optimization

Luyao Gao, Jianchun Liu, Hongli Xu +3

End-cloud collaboration offers a promising strategy to enhance the Quality of Service (QoS) in DNN inference by offloading portions of the inference workload from end devices to cl…

cs.DC2024

Many Hands Make Light Work: Accelerating Edge Inference via Multi-Client Collaborative Caching

Wenyi Liang, Jianchun Liu, Hongli Xu +2

Edge inference is a technology that enables real-time data processing and analysis on clients near the data source. To ensure compliance with the Service-Level Objectives (SLOs), s…

cs.DC2024

ParallelSFL: A Novel Split Federated Learning Framework Tackling Heterogeneity Issues

Yunming Liao, Yang Xu, Hongli Xu +3

Mobile devices contribute more than half of the world's web traffic, providing massive and diverse data for powering various federated learning (FL) applications. In order to avoid…