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SAGA : a unification of the genetic algorithm with simulated annealing and its application to macro-cell placement

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2 Author(s)
Esbensen, H. ; Dept. of Comput. Sci., Aarhus Univ., Denmark ; Mazumder, P.

In this paper a stochastic optimization algorithm called SAGA is presented, which is a generalization of the genetic algorithm and the simulated annealing algorithm. Depending on the settings of its control parameters, SAGA executes as a genetic algorithm, a simulated annealing algorithm, or a mixture of these. SAGA represents an application independent approach to optimization, and the resulting search process is highly adaptive. The performance of the approach on the macro-cell placement problem is examined. It is experimentally shown that a mixture of the genetic algorithm with simulated annealing yields higher layout quality than a pure genetic algorithm. Furthermore, layout qualities obtained by SAGA on MCNC benchmarks are comparable to or better than previously published results

Published in:

VLSI Design, 1994., Proceedings of the Seventh International Conference on

Date of Conference:

5-8 Jan 1994

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