Energy saving in a multi-context coarse grained reconfigurable array with non-volatile flip-flops. - Aika Kamei; Takuya Kojima; Hideharu Amano; Daiki Yokoyama; Hisato Miyauchi; Kimiyoshi Usami; Keizo Hiraga; Kenta Suzuki; Kazuhiro Bessho (MCSoC, 2021)