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Adaptive Control of Local Updating and Model Compression for Efficient Federated Learning | IEEE Journals & Magazine | IEEE Xplore
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Adaptive Control of Local Updating and Model Compression for Efficient Federated Learning


Abstract:

Data generated at the network edge can be processed locally by leveraging the paradigm of Edge Computing (EC). Aided by EC, Federated Learning (FL) has been becoming a pr...Show More

Abstract:

Data generated at the network edge can be processed locally by leveraging the paradigm of Edge Computing (EC). Aided by EC, Federated Learning (FL) has been becoming a practical and popular approach for distributed machine learning over locally distributed data. However, FL faces three critical challenges, i.e., resource constraint, system heterogeneity and context dynamics in EC. To address these challenges, we present a training-efficient FL method, termed FedLamp, by optimizing both the Local updating frequency and model compression ratio in the resource-constrained EC systems. We theoretically analyze the model convergence rate and obtain a convergence upper bound related to the local updating frequency and model compression ratio. Upon the convergence bound, we propose a control algorithm, that adaptively determines diverse and appropriate local updating frequencies and model compression ratios for different edge nodes, so as to reduce the waiting time and enhance the training efficiency. We evaluate the performance of FedLamp through extensive simulation and testbed experiments. Evaluation results show that FedLamp can reduce the traffic consumption by 63% and the completion time by about 52% for achieving the similar test accuracy, compared to the baselines.
Published in: IEEE Transactions on Mobile Computing ( Volume: 22, Issue: 10, 01 October 2023)
Page(s): 5675 - 5689
Date of Publication: 28 June 2022

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