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Erschienen in:
2004 | OriginalPaper | Buchkapitel
Near-Optimum Global Routing with Coupling, Delay Bounds, and Power Consumption
verfasst von : Jens Vygen
Erschienen in: Integer Programming and Combinatorial Optimization
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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We propose the first theoretical approach to global routing that takes coupling between adjacent wires, bounds on delays along critical paths, and overall capacitance (power consumption) into account. It consists of an efficient combinatorial fully polynomial approximation scheme to a fractional relaxation, followed by randomized rounding. The overall deviation from the optimum can be bounded. The model could also be used for routing traffic flows with congestion-dependent travel times.