Application-specific networks-on-chip topology customization using network partitioning

  • Authors:
  • Ahmed A. Morgan;Haytham Elmiligi;M. Watheq El-Kharashi;Fayez Gebali

  • Affiliations:
  • University of Victoria, BC, Canada;University of Victoria, BC, Canada;Ain Shams University, Cairo, Egypt;University of Victoria, BC, Canada

  • Venue:
  • IFMT '08 Proceedings of the 1st international forum on Next-generation multicore/manycore technologies
  • Year:
  • 2008

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Abstract

One of the most challenging problems in Application-Specific Networks-on-Chip (ASNoC) design is to customize the topological structure of the on-chip network in order to meet the application requirements with the minimum possible cost. In this paper, the area cost of ASNoCs is reduced by using network partitioning techniques. The enhancement in area cost is achieved by reducing both routers area and the number of global links. Given the application core graph, Fiduccia-Mattheyses (FM) algorithm is adopted with modification to formulate the partitioning problem as an optimization one. As a proof of concept, our technique is applied to three different applications with different number of cores. Results show that the proposed technique is a promising way to reduce the ASNoC area compared to other topology generation techniques.