bustikiller
da51a073cc
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28 lines
893 B
Ruby
28 lines
893 B
Ruby
namespace :vns do
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desc "Benchmarks the efficiency of the VNS implementation"
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task benchmark: :environment do
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ActsAsTenant.with_tenant(Wedding.first) do
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Rails.logger.info "There are #{Guest.potential.count} potential guests"
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engine = VNS::Engine.new
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engine.add_perturbation(Tables::Swap)
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engine.add_perturbation(Tables::Shift)
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hierarchy = AffinityGroupsHierarchy.new
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initial_solution = Tables::Distribution.new(min_per_table: 8, max_per_table: 10, hierarchy:)
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random = Random.new(561163)
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initial_solution.random_distribution(Guest.potential.shuffle(random:), random:)
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engine.initial_solution = initial_solution
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engine.target_function(&:discomfort)
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solution = Rails.benchmark("VNS Benchmarking") {engine.run}
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Rails.logger.info "Best solution found with discomfort: #{solution.discomfort}"
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end
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end
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end
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