ASIP instruction encoding for energy and area reduction

  • Authors:
  • Paul Morgan;Richard Taylor

  • Affiliations:
  • Critical Blue, San Jose, CA;Critical Blue, San Jose, CA

  • Venue:
  • Proceedings of the 44th annual Design Automation Conference
  • Year:
  • 2007

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Abstract

Application-specific VLIW processors provide an energy and area efficient solution for high-performance embedded applications. One significant design issue is that the long instruction word required to express the instruction parallelism represents a significant cause of energy dissipation. We present an application-tailored instruction encoding solution that modifies the instruction architecture to minimize the instruction word width. We demonstrate the effectiveness of our solution across a range of benchmarks, resulting in average energy savings of 20% and an average area reduction of 18%, with no performance penalty.