Incremental synthesis

  • Authors:
  • Daniel Brand;Anthony Drumm;Sandip Kundu;Prakash Narain

  • Affiliations:
  • IBM Research Division Yorktown Heights, NY;IBM AS/400 Division Rochester, MN;IBM Research Division Yorktown Heights, NY;IBM Microelectronics, Endicott, NY

  • Venue:
  • ICCAD '94 Proceedings of the 1994 IEEE/ACM international conference on Computer-aided design
  • Year:
  • 1994

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Abstract

A small change in the input to logic synthesis may cause a large change in the output implementation. This is undesirable if a designer has some investment in the old implementation and does not want it perturbed more than necessary. We describe a method that solves this problem by reusing gates from the old implementation, and restricting synthesis to the modified portions only.