Bubble Partitioning for LUT-Based Sequential Circuits

  • Authors:
  • Frank Wolz;Reiner Kolla

  • Affiliations:
  • -;-

  • Venue:
  • FPL '01 Proceedings of the 11th International Conference on Field-Programmable Logic and Applications
  • Year:
  • 2001

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Abstract

In this paper, we present an incremental clustering technique for LUT-based sequential circuits targetting a delay-optimized partitioning of the LUT and latch blocks for FPGA placement. Our cost function considers a slack-based relative delay criticality of circuit nets. As partitions are being constructed simultaneously, the method is open also for further evaluation criteria, e.g. in respect of placeability or routability.