RPU: The Ring Processing Unit. - Deepraj Soni; Negar Neda; Naifeng Zhang; Benedict Reynwar; Homer Gamil; Benjamin Heyman; Mohammed Thari Nabeel; Ahmad Al Badawi; Yuriy Polyakov; Kellie Canida; Massoud Pedram; Michail Maniatakos; et al. (IACR Cryptol. ePrint Arch., 2023)