HetPipe: Enabling Large DNN Training on (Whimpy) Heterogeneous GPU Clusters through Integration of Pipelined Model Parallelism and Data Parallelism. - Jay H. Park; Gyeongchan Yun; Chang M. Yi; Nguyen T. Nguyen; Seungmin Lee; Jaesik Choi; Sam H. Noh; Young-ri Choi (USENIX ATC, 2020)