arXiv AI By Qiyuan Chen, Xian Wu, Yanan Ma, Xianhao Chen

HO-FL: Hybrid-Order Federated Learning for Heterogeneous Edge Devices

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arXiv Machine Learning
Aug 31

Ampere: Communication-Efficient and High-Accuracy Split Federated Learning

Ampere is a new split federated learning system that reduces both on‑device computation and device‑server communication while improving accuracy. It trains device and server blocks sequentially with local losses, eliminating gradient transfers, and uses a lightweight auxiliary network to consolidate activations into a single transfer. Experiments on CNNs and Transformers show up to 11.70 pp accuracy gains, 18.6× faster training, 911× less communication, and 14.5× less computation compared to state‑of‑the‑art SFL baselines.

By Zihan Zhang, Leon Wong, Blesson Varghese