ReNoC: A Network-on-Chip Architecture with Reconfigurable Topology

  • Authors:
  • Mikkel Bystrup Stensgaard;Jens Sparsø

  • Affiliations:
  • -;-

  • Venue:
  • NOCS '08 Proceedings of the Second ACM/IEEE International Symposium on Networks-on-Chip
  • Year:
  • 2008

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Abstract

This paper presents a Network-on-Chip (NoC) architecture that enables the network topology to be reconfigured. The architecture thus enables a generalized System-on-Chip (SoC) platform in which the topology can be customized for the application that is currently running on the chip, including long links and direct links between IP-blocks. The configurability is inserted as a layer between routers and links, and the architecture can therefore be used in combination with existing NoC routers, making it a general architecture. The topology is configured using energy-efficient topology switches based on physical circuit-switching as found in FPGAs. The paper presents the ReNoC (ReconfigurableNoC) architecture and evaluates its potential. The evaluation design shows a 56% decrease in power consumption compared to a static 2D mesh topology