Design and Implementation of a Configurable Heterogeneous Multicore SoC With Nine CPUs and Two Matrix Processors. - Hiroyuki Kondo; Masami Nakajima; Norio Masui; Sugako Otani; Naoto Okumura; Yukari Takata; Takashi Nasu; Hirokazu Takata; Takashi Higuchi; Mamoru Sakugawa; Hayato Fujiwara; Kazuya Ishida; et al. (IEEE J. Solid State Circuits, 2008)