PowerAntz: distributed power sharing strategy for network on chip

  • Authors:
  • Suman Kalyan Mandal;Rabi N. Mahapatra

  • Affiliations:
  • Texas A&M University, College Station, TX, USA;Texas A&M University, College Station, TX, USA

  • Venue:
  • Proceedings of the 13th international symposium on Low power electronics and design
  • Year:
  • 2008

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Abstract

Advent of Network-on-Chip (NoC) based complex system designs made on-chip power management a challenging issue. Power management schemes have been proposed to tackle the problem. But they fail to provide optimal sharing when the power budget distribution varies significantly among on-chip components that are placed further apart on a chip. This paper presents PowerAntz, a distributed power management strategy for NoC based systems. This adaptive and distributed approach to power sharing across various components of a large chip is shown to be a scalable solution. Our experiments have demonstrated PowerAntz to be up to 30% more effective in distributing power budget compared to existing strategies. Further, it also achieves up to 21.25% improvement in power utilization while keeping overhead as low as zero in best case.