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DraXRouter: global routing in X-architecture with dynamic resource assignment

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7 Author(s)
Zhen Cao ; Dept. of Comput. Sci. & Technol., Tsinghua Univ., Beijing, China ; Tong Jing ; Yu Hu ; Yiyu Shi
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In recent years, the X-architecture is introduced to obtain better performance for integrated circuit physical design. This paper reformulates the global routing problem in X-architecture under the liquid routing model. Then, a dynamic resource assignment (Dra) method is presented to reduce potential vias. At last, a global router called DraXRouter, is designed, in which we adopt a dynamic-tabulist-based tree construction algorithm and a stochastic optimization strategy to gain high quality routing solution. Tested on ISPD'98 benchmarks, DraXRouter achieves better routing performance compared with two recent global routers.

Published in:

Asia and South Pacific Conference on Design Automation, 2006.

Date of Conference:

24-27 Jan. 2006