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A parallel lookahead line search router with automatic ripup-and-reroute

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2 Author(s)
Date, H. ; Inst. for New Generation Comput. Technol., Tokyo, Japan ; Taki, K.

A parallel routing method is proposed and evaluated. A key feature is object-oriented modeling. All line segments are modeled as independent objects communicating with each other through message exchanges. A distributed routing algorithm is designed based on a lookahead line search method that includes automatic ripup-and-reroute to retain the rotating order. The program was implemented in a concurrent logic language, KL1, and was executed on PIM/m (Parallel Inference Machine), a distributed memory machine with 256 processors. The evaluation results for several industrial data are given

Published in:

Design Automation, 1993, with the European Event in ASIC Design. Proceedings. [4th] European Conference on

Date of Conference:

22-25 Feb 1993

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