PCM: Precision-Controlled Memory System for Energy Efficient Deep Neural Network Training. - Boyeal Kim; Sang Hyun Lee; Hyun Kim 001; Duy Thanh Nguyen; Minh-Son Le; Ik Joon Chang; Dohun Kwon; Jin Hyeok Yoo; Jun Won Choi; Hyuk-Jae Lee (DATE, 2020)