Separation and minimum wire length constrained maze routing method and system
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United States of America Patent
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Jan 29, 2019
Grant Date -
Mar 26, 2015
app pub date -
Sep 25, 2014
filing date -
Sep 25, 2013
priority date (Note) -
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Abstract
A computer implemented method for routing a first path in a circuit design is presented. The method includes iteratively building a multitude of partial-paths to route the first path by adding an incremental length to a selected previously built partial-path when the computer is invoked to route the first path in the circuit design, the adding being performed in accordance with at least a first design rule. The multitude of partial-paths start at a first location. The method further includes comparing each of the multitude of partial-paths to each other when the multitude of partial-paths end on a common second location different from the first location, and saving one of the multitude of partial-paths that leads to a shortest first path. The method further includes eliminating one of the multitude of partial-paths that are not selected to lead to the shortest first path.
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