30 lines
927 B
Ruby
30 lines
927 B
Ruby
# frozen_string_literal: true
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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_optimization(Tables::Swap)
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engine.add_optimization(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(561_163)
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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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