Yuanyuan Yang Jianchao Wang Near-Optimal All-to-All Broadcast in Multidimensional All-Port Meshes and Tori. 128-141 2002 13 IEEE Trans. Parallel Distrib. Syst. 2 http://computer.org/tpds/td2002/l0128abs.htm db/journals/tpds/tpds13.html#YangW02