Cadence Design Systems, Inc.

Alexander Ryjov

Eitan Cadouri

Anwar Adkhamovich Irmatov

Andrei Gratchev

Alexander Belousov

Laurent Thenie

Disclosed is an improved approach for organizing, analyzing, and operating upon polygon data which significantly reduces the amount of data required for processing while keeping elements non-interfacing with each other. According to one approach, clusters of elements are extracted which are then handled separately. In some approaches, a set of polygons forms a cluster if for any two polygons from the set of polygons there exists a sequence of polygons from the set such that the distance between any sequential polygons are less than or equal to a given threshold number. Rather than analyzing each and every polygon in the design, repetitive unique patterns are analyzed once, which are then replicated for all clusters which have the same repetitive pattern.

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Moscow, Russia

Alexander Ryjov