A framework for low power synthesis of interconnection networks-on-chip with multiple voltage islands

  • Authors:
  • Nishit Kapadia;Sudeep Pasricha

  • Affiliations:
  • Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO 80523-1373, USA;Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO 80523-1373, USA

  • Venue:
  • Integration, the VLSI Journal
  • Year:
  • 2012

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Abstract

The problem of VI-aware Network-on-Chip (NoC) design is extremely challenging, especially with the increasing core counts in today's power-hungry Chip Multiprocessors (CMPs). In this paper, we propose a novel framework for automating the synthesis of regular NoCs with VIs, to satisfy application performance constraints while minimizing chip power dissipation. Our proposed framework uses a set of novel algorithms and heuristics to generate solutions that reduce network traffic by up to 62%, communication power by up to 32%, and total chip power dissipation by up to 13%, compared to the best known prior work that also solves the same problem.