2020

Communication-Efficient Distributed Deep Learning: A Comprehensive Survey

Tang, Zhenheng, Shi, Shaohuai, Wang, Wei et al.

Understand

Distributed deep learning (DL) has become prevalent in recent years to reduce training time by leveraging multiple computing devices (e.g., GPUs/TPUs) due to larger models and datasets.

  • However, system scalability is limited by communication becoming the performance bottleneck.
  • Addressing this communication issue has become a prominent research topic.
  • In this paper, we provide a comprehensive survey of the communication-efficient distributed training algorithms, focusing on both system-level and algorithmic-level optimizations.

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