@article{distdl-preprint,
  author={Tal Ben-Nun and Torsten Hoefler},
  title={{Demystifying Parallel and Distributed Deep Learning: An In-Depth Concurrency Analysis}},
  journal={ACM Comput. Surv.},
  year={2019},
  month={Aug.},
  pages={65:1--65:43},
  volume={52},
  number={4},
  publisher={ACM},
  issn={0360-0300},
  doi={10.1145/3320060},
}