Architecture driven circuit partitioning

  • Authors:
  • Chau-Shen Chen;C. L. Liu;Ting Ting Hwang

  • Affiliations:
  • National Tsing Hua Univ., HsinChu, Taiwan;National Tsing Hua Univ., HsinChu, Taiwan;National Tsing Hua Univ., HsinChu, Taiwan

  • Venue:
  • IEEE Transactions on Very Large Scale Integration (VLSI) Systems
  • Year:
  • 2001

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Abstract

In this paper, we propose an architecture driven partitioning algorithm for netlists with multiterminal nets. Our target architecture is a multifield-programmable gate array (FPGA) emulation system with folded-Clos network for board routing. Our goal is to minimize the number of FPGA chips used and maximize routability. To that end, we introduce a new cost function: the average number of pseudoterminals per net in a multiway cut. Experimental result shows that our algorithm is very effective in terms of the number of chips used and routability as compared to other methods.