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Quantifying the Performance of Federated Transfer Learning - 2019

Research Area:  Machine Learning

Abstract:

The scarcity of data and isolated data islands encourage different organizations to share data with each other to train machine learning models. However, there are increasing concerns on the problems of data privacy and security, which urges people to seek a solution like Federated Transfer Learning (FTL) to share training data without violating data privacy. FTL leverages transfer learning techniques to utilize data from different sources for training, while achieving data privacy protection without significant accuracy loss. However, the benefits come with a cost of extra computation and communication consumption, resulting in efficiency problems. In order to efficiently deploy and scale up FTL solutions in practice, we need a deep understanding on how the infrastructure affects the efficiency of FTL. Our paper tries to answer this question by quantitatively measuring a real-world FTL implementation FATE on Google Cloud. According to the results of carefully designed experiments, we verified that the following bottlenecks can be further optimized: 1) Inter-process communication is the major bottleneck; 2) Data encryption adds considerable computation overhead; 3) The Internet networking condition affects the performance a lot when the model is large.

Author(s) Name:  Qinghe Jing, Weiyan Wang, Junxue Zhang, Han Tian, Kai Chen

Journal name:  Distributed, Parallel, and Cluster Computing

Conferrence name:  

Publisher name:  arxiv

DOI:  1912.12795

Volume Information:  Volume2019