Performance Characterization of Single and Multi GPU Training of U-Net Architecture for Medical Image Segmentation Tasks. - Trupesh R. Patel; Sandeep Bodduluri; Thomas Anthony 002; William S. Monroe; Pravinkumar G. Kandhare; John-Paul Robinson; Arie Nakhmani; Chengcui Zhang; Surya P. Bhatt; Purushotham V. Bangalore (PEARC, 2019)