Instruction-based system-level power evaluation of system-on-a-chip peripheral cores

  • Authors:
  • Tony D. Givargis;Frank Vahid;Jörg Henkel

  • Affiliations:
  • Department of Computer Science and Engineering, University of California, Riverside, CA 92521, givargis@cs.ucr.edu, www.cs.ucr.edu/~dalton;Department of Computer Science and Engineering, University of California, Riverside, CA 92521, vahid@cs.ucr.edu, www.cs.ucr.edu/~dalton;C&C Research Laboratories, NEC USA, 4 Independence Way, Princeton, NJ 08540, henkel@ccrl.nj.nec.com

  • Venue:
  • ISSS '00 Proceedings of the 13th international symposium on System synthesis
  • Year:
  • 2000

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Abstract

Various system-level core-based power evaluation approaches for core types like microprocessors, caches, main memories, and buses, have been proposed in the past. Approaches for other types of components have been based either on the gate-level, register-transfer level, or behavioral-level. We propose a new technique, suitable for a variety of cores like peripheral cores, that is the first to combine gate-level power data with a system-level simulation model written in C++ or Java. For that purpose, we investigated peripheral cores and decomposed their functionality into so-called instructions. Our technique addresses a core-based system design paradigm. We show that our technique is sufficiently accurate for making power-related system-level design decisions, and that its computation time is orders of magnitude smaller than lower-level simulation approaches.