Power-conscious high level synthesis using loop folding

  • Authors:
  • Daehong Kim;Kiyoung Choi

  • Affiliations:
  • School of Electrical Engineering, Seoul National University, Seoul, Korea, 151-742;School of Electrical Engineering, Seoul National University, Seoul, Korea, 151-742

  • Venue:
  • DAC '97 Proceedings of the 34th annual Design Automation Conference
  • Year:
  • 1997

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Abstract

In this paper, a transformation technique, called power-consciousloop folding is proposed for high level synthesis of alow power system. Our work is focused on reducing the powerconsumed by functional units through the decrease of switchingactivity in a data path dominated circuit containing loops. Thetransformation algorithm has been implemented and integratedinto a high level synthesis system for experiments. In ourexperiments, we could achieve power reduction of up to 50% forcircuits dominated by functional units.