A Reconfigurable Non-Blocking Multicast Permutation Network

Interconnected network is a fundamental communication pattern in processor architecture. The area, delay and multicast capacity of interconnected networks have strict requirement. In this paper, Reconfigurable Non-Blocking Multicast Permutation Network (RMPN) is a kind of routing unit that is a configurable and data path reconfigurable network. It consists of a switch subnet and a broadcast subnet. It can input data Non-blocking full Multicast and bit permutation under certain conditions. RMPN can be used to cascade for larger networks easily and configured by bidirectional self-routing. Compared with previous network, RMPN can reduce number of routing units by 67%, path length by 27.7% and configuration size by 75%.