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As chip design complexity scales, completing routes of all nets has become a tough work under limited routing resources and increasing number of design rules. Besides, wirelength and crosstalk greatly affect the chip's performance. This paper presents a novel fine-grain track routing approach to optimize routability and crosstalk. The proposed track router is performed in a GRC-by-GRC fine-grain manner,...
Cell migration has been widely used in global placement for the highly efficiency in smoothing cells overlap. The current cell migration methods only locally or globally smooth the density without considering the relation between the local and the global density. Furthermore, the cells generally are treated as points with area. In this paper we present a new cell migration technique called CSAGO to...
As fabrication technology keeps advancing, many nano effects have become increasingly evident. With the steady increase in the number of metallization levels and the shrinking size of vias, via resistance has increased and affected the wire delay greatly. Furthermore, the wire delay is affected more by coupling capacitance instead of wire self capacitance. These problems must be considered in modern...
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