Migration: a new technique to improve synthesized designs through incremental customization

  • Authors:
  • Rajendran Panda;Abhijit Dharchoudhury;Tim Edwards;Joe Norton;David Blaauw

  • Affiliations:
  • Advanced Tools Group, Advanced System Technologies Lab., Motorola, TX;Advanced Tools Group, Advanced System Technologies Lab., Motorola, TX;Advanced Tools Group, Advanced System Technologies Lab., Motorola, TX;Advanced Tools Group, Advanced System Technologies Lab., Motorola, TX;Advanced Tools Group, Advanced System Technologies Lab., Motorola, TX

  • Venue:
  • DAC '98 Proceedings of the 35th annual Design Automation Conference
  • Year:
  • 1998

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Abstract

A novel technique to explore the performance vs design effort trade-off is proposed. Starting from an optimally synthesized design, performance-critical cells are incrementally and optimally selected and custom-sized to generate this trade-off. Efficient algorithms for the optimal selection, and for improving the reuse of custom-sized cells in the design are given. Significant performance gains are shown in several real circuits through the addition of very few customized cells.