Importance

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Abstract

Disclosed is an improved method, system, and mechanism for using and constructing a minimum spanning tree. In one approach, each iteration of the process for constructing a minimum spanning tree calculates at most two additional point-pairs for nearest neighbors of points previously added to the tree. These additional point-pairs are appended to a list of point pairs, and the point-pair having the shortest distance is selected and added to the minimum spanning tree. Any metric can be employed to determine nearest neighbors, including Euclidean or Manhattan metrics. An advantage is that not all point-pairs need to be examined, greatly increasing speed and efficiency. Since every point-pair does not have to be examined, a preprocessing step is not required to reduce the number of point-pairs being considered. The resultant minimum spanning tree can be used to facilitate the routing process for an integrated circuit.

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First Claim