@inproceedings{signsgdcompressedoptimisationfornon,
  title = {signSGD: Compressed Optimisation for Non-Convex Problems},
  author = {Jeremy Bernstein and Yu-Xiang Wang and Kamyar Azizzadenesheli and Anima Anandkumar},
  year = {2018},
  booktitle = {ICML 2018 7},
  eprint = {1802.04434},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1802.04434v3},
}