Improving detailed routing routability is an important objective of a global router. In this paper, we propose GDRouter, an interleaved global routing and detailed routing algorithm for the ultimate routability i.e., detailed routing routability. The newly proposed router makes the global routing aware of detailed routing routability by correctly setting global capacity to reduce the inconsistency between the two stages. The final result contains both the detailed routing guided global routing and deailed routing solutions.
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Zhang et al. (2012) studied this question.
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