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The notion of channel routing was first introduced by Hashimoto and Stevens in 1971 [HaSt71]. Since then it has been used extensively in the layout of integrated circuits. This is an effective approach to the general routing problem since it leads to a decomposition of the overall routing problem into a number of smaller sub-problems that can be solved independently. Furthermore, it is flexible enough so that it can be used in various design styles such as gate arrays, standard cells, and macro/custom cells.
KeywordsSimulated Annealing Directed Edge Neighboring Solution VLSI Design Wire Segment
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