A decomposition procedure for register-transfer level power management

  • Authors:
  • Elena Fomina;Andres Keevallik;Margus Kruus;Alexander Sudnitson

  • Affiliations:
  • Department of Computer Engineering, Tallinn Technical University, Raja 15, 12617, Tallinn, Estonia;Department of Computer Engineering, Tallinn Technical University, Raja 15, 12617, Tallinn, Estonia;Department of Computer Engineering, Tallinn Technical University, Raja 15, 12617, Tallinn, Estonia;Department of Computer Engineering, Tallinn Technical University, Raja 15, 12617, Tallinn, Estonia

  • Venue:
  • CompSysTech '03 Proceedings of the 4th international conference conference on Computer systems and technologies: e-Learning
  • Year:
  • 2003

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Abstract

Power dissipation has become one of the most important constraints in the design of integrated circuits. This work describes a decomposition based approach for power reduction using dynamic power management. The problem of low power synthesis corresponds to an optimal multiple decomposition of a finite state machine. A decomposition procedure that enables the distribution of primary controller inputs among components is elaborated. The technique for decomposition is based on quantitative modeling through entropic relationships. The presented technique leads to a general low power design methodology targeting selective disabling of a subset of primary inputs.