In this paper, we describe a new congestion-driven placement based on cell inflation. In our approach, we have used the method of probability- estimation to evaluate the routing of nets. We also take use of the strategy of cell inflation to eliminate the routing congestion. Further reduction in congestion is obtained by the scheme of cell moving. We have tested our algorithm on a set of sample circuits from American industry and the results obtained have shown great improvement of routability.
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Hou et al. (2001) studied this question.