@article{s2reducerhighperformancesparse,
  title = {S2 Reducer: High-Performance Sparse Communication to Accelerate Distributed Deep Learning},
  author = {Keshi Ge and Yongquan Fu and Zhiquan Lai and Xiaoge Deng and Dongsheng Li},
  year = {2021},
  eprint = {2110.02140},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.02140v2},
}