Power-Aware Communication Optimization for Networks-on-Chips with Voltage Scalable Links

  • Authors:
  • Dongkun Shin;Jihong Kim

  • Affiliations:
  • Seoul National University;Seoul National University

  • Venue:
  • CODES+ISSS '04 Proceedings of the international conference on Hardware/Software Codesign and System Synthesis: 2004
  • Year:
  • 2004

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Abstract

Networks-on-Chip (NOC) is emerging as a practical development platform for future systems-on-chip products. We propose an energy-efficient static algorithm which optimizes the energy consumption of task communications in NoCs with voltage scalable links. In order to find optimal link speeds, the proposed algorithm (based on a genetic formulation) globally explores the design space of NOC-based systems, including task assignment, tile mapping, routing path allocation, task scheduling and link speed assignment. Experimental results show that the proposed design technique can reduce energy consumption by 28% on average compared with existing techniques.