Lattice Semiconductor Corporation

Issak Veytsman

Gilles Bosco

Harish Venkatappa

Various techniques are provided to selectively collapse connections. In one example, a computer readable medium includes a computer program for performing a method of selectively collapsing connections between a plurality of LUTs. The method includes performing a first timing analysis to determine a timing slack value for each connection and determine a number of timing paths using each connection. The method also includes calculating a weight for each connection based on at least the timing slack value and the number of timing paths. The method further includes comparing the connections associated with a first one weight interval with collapsing criteria, wherein the first weight interval includes weights larger than weights of the remaining weight intervals. The method also includes collapsing the connections associated with the first weight interval that satisfy the collapsing criteria, and selectively repeating the comparing and collapsing for connections associated with remaining weight intervals.

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Cupertino, CA, United States of America

Issak Veytsman