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Network-flow-based multiway partitioning with area and pin constraints

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2 Author(s)
Huiqun Liu ; Dept. of Comput. Sci., Texas Univ., Austin, TX, USA ; Wong, D.F.

Network flow is an excellent approach to finding min-cuts because of the celebrated max-flow min-cut theorem. For a long time, however, it was perceived as computationally expensive and deemed impractical for circuit partitioning. Recently, the algorithm FBB successfully applied network flow to two-way balanced partitioning. It for the first time demonstrated that network flow was a viable approach to circuit partitioning. In this paper, we present FBB-MW, which is an extension of FBB, to solve the problem of multiway partitioning with area and pin constraints. Experimental results show that FBB-MW outperforms previous approaches for multiple field programmable gate array partitioning. In particular, although FBB-MW does not employ logic replication and logic resynthesis, it still outperforms some other algorithms, which allow replication and resynthesis for optimization

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Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on  (Volume:17 ,  Issue: 1 )