Abstract

Routing is an important problem in the computer-aided VLSI layout design process. We consider the switchbox routing problem in a new routing model, diagonal model (DM)[11], whose grid consists of right and left diagonal tracks displayed at +45° and -45° on two layers. We present an efficient DM switchbox router. It attempts to reach the optimality to maximum extent locally and globally. Experimental results demonstrate that it completes successfully the routing for many known benchmark examples.

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