Probabilistic Bottom-Up RTL Power Estimation

  • Authors:
  • Ricardo Ferreira;A-M. Trullemans;Jose Costa;Jose Monteiro

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ISQED '00 Proceedings of the 1st International Symposium on Quality of Electronic Design
  • Year:
  • 2000

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Abstract

We address the problem of power estimation at the register-transfer level (RTL). At this level, the circuit is described in terms of a set of interconnected memory elements and combinational modules of different degrees of complexity. We propose a bottom-up approach to create a simplified high-level model of the block behavior for power estimation, which is described by a symbolic local polynomial. We use an efficient gate-level modeling based on the {\it Polynomial Simulation} method and ZBDDs. We present a set of experimental results that show a large improvement on performance and robustness when compared to previous approaches.