GLMC: Interconnect Length Estimation by Growth-Limited Multifold Clustering

• In this paper, interconnection length estimation is discussed and a general, simple, fast and efficient estimation technique is proposed. In contrast to traditional average length estimation techniques, such as the one based on Rent's rule, the new technique utilizes the topological information of the actual netlist and estimates the length of each interconnection separately. The result of the estimation can be directly used to assign a reasonable R and C to each interconnect, including long and wide buses. Consequently, the new technique enhances the accuracy of power and delay estimations at higher design levels of abstraction

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