EFFICIENT ALGORITHM FOR THE TWO-DIMENSIONAL PLACEMENT PROBLEM IN ELECTRICAL CIRCUIT LAYOUT.

Satoshi Goto

    Research output: Contribution to journalArticle

    87 Citations (Scopus)

    Abstract

    This paper deals with the optimum placement of modules on a two-dimensional board, which minimizes the total routing length of signal sets. A new heuristic procedure, based on iterative improvement, is proposed. The procedure repeats random generation of an initial solution and its improvement by a sequence of local transformations. The best among the local optimum solutions is taken as a final solution. This method is different from an earlier one, in the sense that it considers interchanging more than two modules at the same time and examines only a small portion of feasible solutions which has high probability of being better. Experimental results show this procedure gives better solutions than the best one up to now. The computation time for each local optimum solution grows almost linearly with regard to the number of modules.

    Original languageEnglish
    Pages (from-to)12-18
    Number of pages7
    JournalIEEE Transactions on Circuits and Systems
    VolumeCAS-28
    Issue number1
    Publication statusPublished - 1981 Jan

    ASJC Scopus subject areas

    • Engineering(all)

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