NDLI: Partitioning routing area into zones with distinct pins

Content Provider	IEEE Xplore Digital Library
Author	Sinha, K. Sur-Kolay, S. Dasgupta, P.S. Bhattacharya, B.B.
Copyright Year	2001
Description	Author affiliation: Kalyani Eng. Coll., India (Sinha, K.)
Abstract	Topological routing has gained importance in state-of-the-art layout synthesis. This paper poses the problem of partitioning the routing area of a given placement into a minimum set of zones such that in each zone, no two pins belong to the same net. Thus, topological routing can be completed among the zones whereas within a zone the only wires are from a pin to the boundary of the zone. Hence, such partitioning may accelerate routing by reducing the problem size. The related problem of identifying a zone with maximum number of distinct pins is also considered here. Both problems are observed to be NP-hard. A genetic algorithm for the first one and a greedy heuristic for the second problem are proposed. Experimental results are observed to be near optimal in most of the cases.
Sponsorship	Broadcom India
Starting Page	345
Ending Page	350
File Size	543899
Page Count	6
File Format	PDF
ISBN	0769508316
ISSN	10639667
DOI	10.1109/ICVD.2001.902683
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-01-07
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Pins Acceleration Educational institutions Engineering management Wires Genetic algorithms Integrated circuit interconnections
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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