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San Jose, CA
Nov. 9, 2003 to Nov. 13, 2003
ISBN: 1-58113-762-1
pp: 66
Hua Xiang , UIUC, Urbana, IL
Xiaoping Tang , Cadence Design Systems, San Jose, CA
Martin D. F. Wong , UIUC, Urbana, IL
ABSTRACT
In this paper, we present an integrated approach to floorplanning and bus planning, i.e., bus-driven floorplanning (BDF). We are given a set of circuit blocks and the bus specifications (i.e., the net list of blocks for the buses). A feasible BDF solution is a placement of all circuit blocks such that each bus can be realized as a rectangular strip (horizontal or vertical) going through all the blocks connected by the bus. The objective is to determine a feasible BDF solution that minimizes floorplan area and total bus area. Our approach is based upon the sequence-pair floorplan representation. After a careful analysis of the relationship between bus ordering and block ordering in the floorplan represented by a sequence pair, we derive feasibility conditions on sequence pairs that give feasible BDF solutions. Experimental results demonstrate the efficiency and effectiveness of our algorithm.
INDEX TERMS
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CITATION
Hua Xiang, Xiaoping Tang, Martin D. F. Wong, "Bus-Driven Floorplanning", ICCAD, 2003, Computer-Aided Design, International Conference on, Computer-Aided Design, International Conference on 2003, pp. 66, doi:10.1109/ICCAD.2003.1257588
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