A Low-Cost Deadlock-Free Design of Minimal-Table Rerouted XY-Routing for Irregular Wireless NoCs

  • Authors:
  • Ruizhe Wu;Yi Wang;Dan Zhao

  • Affiliations:
  • -;-;-

  • Venue:
  • NOCS '10 Proceedings of the 2010 Fourth ACM/IEEE International Symposium on Networks-on-Chip
  • Year:
  • 2010

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Abstract

To bridge the widening gap between computation requirements of terascale application and communication efficiency faced by gigascale multi-processor system-on-chip devices, a new on-chip communication system, dubbed Wireless Network-on-Chip (WNoC), has been proposed. This work centers on the design of a high-efficient, low-cost, deadlock-free routing scheme for domain-specific irregular mesh WNoCs. A distributed minimal table based routing scheme is designed to facilitate segmented XY-routing. Deadlock-free data transmission is achieved by implementing a new turn classes based buffer ordering scheme. The simulation study demonstrates high routing efficiency, low cost and scalability of the routing scheme and the promising network performance of WNoC.