Practice and Experience in using Parallel and Scalable Machine Learning with Heterogenous Modular Supercomputing Architectures - Riedel, Morris; Sedona, Rocco; Barakat, Chadi; Einarsson, Petur; Hassanian, Reza; Cavallaro, Gabriele; Book, Matthias; Neukirchen, Helmut; Lintermann, Andreas (2021 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW), Parallel and Distributed Processing Symposium Workshops (IPDPSW), 2021 IEEE International, IPDPSW, 2021)