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Fashion: A Fast and Accurate Solution to Global Routing Problem

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7 Author(s)
Zhen Cao ; Univ. of California, Los Angeles ; Tom Tong Jing ; Jinjun Xiong ; Yu Hu
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This paper presents a fast and accurate solution, namely Fashion, to routability-driven global routing problem. Fashion is based on two efficient yet effective techniques: 1) dynamic pattern routing (DPR) and 2) movable-segment-driven DPR. These two techniques enable Fashion to explore large solution space to achieve high routability with low time complexity. Compared with BoxRouter, Fashion has a shorter wire length and reduces overflow and runtime by 5 and 15 times, respectively. Compared with FastRoute, Fashion has similar runtime but 90% smaller overflow and 1.9% shorter wire length. Fashion is significantly better than Labyrinth and Fengshui in terms of overflow, wire length, and runtime.

Published in:

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems  (Volume:27 ,  Issue: 4 )