@article{optimalgradientquantizationconditionfor,
  title = {Optimal Gradient Quantization Condition for Communication-Efficient Distributed Training},
  author = {An Xu and Zhouyuan Huo and Heng Huang},
  year = {2020},
  eprint = {2002.11082},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2002.11082v1},
}