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This commit is contained in:
Manuel Bustillo 2025-07-22 09:05:32 +02:00
parent 25bd53600e
commit c050f2027f
1 changed files with 32 additions and 11 deletions
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43
lib/tasks/vns.rake
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@ -4,26 +4,47 @@ namespace :vns do
desc 'Benchmarks the efficiency of the VNS implementation' desc 'Benchmarks the efficiency of the VNS implementation'
task benchmark: :environment do task benchmark: :environment do
ActsAsTenant.with_tenant(Wedding.first) do ActsAsTenant.with_tenant(Wedding.first) do
Rails.logger.info "There are #{Guest.potential.count} potential guests"
engine = VNS::Engine.new iterations = 10
engine.add_perturbation(Tables::Swap) guests = Guest.potential
engine.add_perturbation(Tables::Shift)
Rails.logger.info "There are #{guests.count} potential guests"
time_acc = 0
solution_acc = 0
hierarchy = AffinityGroupsHierarchy.new hierarchy = AffinityGroupsHierarchy.new
initial_solution = Tables::Distribution.new(min_per_table: 8, max_per_table: 10, hierarchy:)
random = Random.new(561_163) iterations.times do |i|
initial_solution.random_distribution(Guest.potential.shuffle(random:), random:) engine = VNS::Engine.new
engine.initial_solution = initial_solution engine.add_perturbation(Tables::Swap)
engine.add_perturbation(Tables::Shift)
engine.target_function(&:discomfort) initial_solution = Tables::Distribution.new(min_per_table: 8, max_per_table: 10, hierarchy:)
solution = Rails.benchmark('VNS Benchmarking') { engine.run } random = Random.new(i)
initial_solution.random_distribution(guests.shuffle(random:), random:)
Rails.logger.info "Best solution found with discomfort: #{solution.discomfort}" engine.initial_solution = initial_solution
engine.target_function(&:discomfort)
start_time = Time.now
solution = engine.run
elapsed = Time.now - start_time
time_acc += elapsed
solution_acc += solution.discomfort
Rails.logger.info "[#{elapsed}] Best solution found with discomfort: #{solution.discomfort}"
end
Rails.logger.info "Average time: #{time_acc / iterations} seconds"
Rails.logger.info "Average discomfort: #{solution_acc / iterations}"
end end
end end
end end