| 1 | # Copyright 2010 by Sean Luke and George Mason University |
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| 2 | # Licensed under the Academic Free License version 3.0 |
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| 3 | # See the file "LICENSE" for more information |
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| 4 | |
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| 5 | parent.0 = ../../multiobjective/spea2/spea2.params
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| 6 |
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| 7 |
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| 8 | # SPEA2 varies in its archive size, and in ECJ the archive size is part of the
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| 9 | # population, as opposed to NSGA-II, which temporarily builds its own archive
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| 10 | # that is EXTERNAL to the population. This means that in order to generate
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| 11 | # an equivalent number of individuals to NSGA-II, we'll need to have a larger
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| 12 | # population size in SPEA2. Specifically, the population size should be
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| 13 | # the NSGA-II size plus the desired archive size (number of elites).
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| 14 | #
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| 15 | # For more information, see discussion in the README files in the SPEA2 and
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| 16 | # NSGA-II packages
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| 17 | #
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| 18 | # constants from "Zitzler, E., Deb, K., and Thiele, L., 2000,
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| 19 | # Comparison of Multiobjective Evolutionary Algorithms: Empirical Results,
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| 20 | # Evolutionary Computation, Vol. 8, No. 2, pp173-195."
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| 21 | #
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| 22 | pop.subpop.0.size = 150
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| 23 | breed.elite.0 = 50
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| 24 | generations = 250
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| 25 |
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| 26 | # SPEA2's pipeline:
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| 27 | pop.subpop.0.species.pipe = ec.vector.breed.VectorMutationPipeline
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| 28 | pop.subpop.0.species.pipe.likelihood = 1.0
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| 29 | pop.subpop.0.species.pipe.source.0 = ec.vector.breed.VectorCrossoverPipeline
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| 30 | pop.subpop.0.species.pipe.source.0.likelihood = 0.9
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| 31 | pop.subpop.0.species.pipe.source.0.source.0 = ec.multiobjective.spea2.SPEA2TournamentSelection
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| 32 | pop.subpop.0.species.pipe.source.0.source.1 = same
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| 33 | select.tournament.size = 2
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| 34 |
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