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An efficient congestion optimization algorithm for global routing based on search space traversing technology
Conference proceeding

An efficient congestion optimization algorithm for global routing based on search space traversing technology

T Jing, X L Hong, H Y Bao, Y C Cai, J Y Xu, Y Wang and J Gu
2001 4TH INTERNATIONAL CONFERENCE ON ASIC PROCEEDINGS, pp 114-117
01 Jan 2001

Abstract

Computer Science Computer Science, Information Systems Engineering Engineering, Electrical & Electronic Science & Technology Technology Telecommunications
]In this paper, we present an efficient congestion optimization algorithm for global routing based on search space traversing technology. In this method, we adopt stochastic optimization, deterministic optimization and local enumeration strategy to dynamically reconstruct the problem structure and make "transition' from a local minimum point, Thus, we can reach other part of the search space, traverse in the whole search space, and obtain the global (approximate) optimal solution. Meanwhile, we shorten the running time. Since any arbitrary initial solution can be accepted, the initialization in our algorithm is greatly simplified. We tested MCNC benchmark circuits and industrial circuits and compared the experimental results with those of typical existing algorithms. It indicates that our algorithm can obtain the global (approximate) optimal solution easily and quickly. Moreover, it can meet the needs of practical applications.

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Web of Science research areas
Computer Science, Information Systems
Engineering, Electrical & Electronic
Telecommunications
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