Computer program and method for generating wire routing pattern
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United States of America Patent
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Jan 29, 2013
Grant Date -
Jun 28, 2012
app pub date -
Dec 28, 2011
filing date -
Dec 28, 2010
priority date (Note) -
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Abstract
A computer program generates a wire routing pattern that connects one driver with a plurality of receivers. The overlapping length of each vector pair, which consists of any two vectors headed from the driver to the receivers, is calculated. One vector pair that has the greatest overlapping length is selected. For the selected vector pair, three kinds of common nodes are created, each of which is used to make a common path part of the way to the receivers, to generate three kinds of renewed vector patterns. The operations are repeated and plural candidate routing patters are acquired. One candidate routing pattern having the smallest total wiring length is selected as the optimum routing pattern. If there exist plural patterns that have the same smallest total wiring length, one pattern can be selected that has the smallest one of the greatest. D-R path lengths.
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