Changeset 14185 for trunk/sources/HeuristicLab.Algorithms.EvolutionStrategy
- Timestamp:
- 07/22/16 18:02:42 (8 years ago)
- Location:
- trunk/sources/HeuristicLab.Algorithms.EvolutionStrategy/3.3
- Files:
-
- 4 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/sources/HeuristicLab.Algorithms.EvolutionStrategy/3.3/EvolutionStrategyMainLoop.cs
r12012 r14185 1 #region License Information 2 /* HeuristicLab 3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL) 4 * 5 * This file is part of HeuristicLab. 6 * 7 * HeuristicLab is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * 12 * HeuristicLab is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 #endregion 21 22 using HeuristicLab.Common; 23 using HeuristicLab.Core; 24 using HeuristicLab.Data; 25 using HeuristicLab.Operators; 26 using HeuristicLab.Optimization.Operators; 27 using HeuristicLab.Parameters; 28 using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; 29 using HeuristicLab.Selection; 30 31 namespace HeuristicLab.Algorithms.EvolutionStrategy { 32 /// <summary> 33 /// An operator which represents the main loop of an evolution strategy (EvolutionStrategy). 34 /// </summary> 35 [Item("EvolutionStrategyMainLoop", "An operator which represents the main loop of an evolution strategy (EvolutionStrategy).")] 36 [StorableClass] 37 public sealed class EvolutionStrategyMainLoop : AlgorithmOperator { 38 #region Parameter properties 39 public ValueLookupParameter<IRandom> RandomParameter { 40 get { return (ValueLookupParameter<IRandom>)Parameters["Random"]; } 41 } 42 public ValueLookupParameter<BoolValue> MaximizationParameter { 43 get { return (ValueLookupParameter<BoolValue>)Parameters["Maximization"]; } 44 } 45 public ScopeTreeLookupParameter<DoubleValue> QualityParameter { 46 get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters["Quality"]; } 47 } 48 public ValueLookupParameter<DoubleValue> BestKnownQualityParameter { 49 get { return (ValueLookupParameter<DoubleValue>)Parameters["BestKnownQuality"]; } 50 } 51 public ValueLookupParameter<IntValue> PopulationSizeParameter { 52 get { return (ValueLookupParameter<IntValue>)Parameters["PopulationSize"]; } 53 } 54 public ValueLookupParameter<IntValue> ParentsPerChildParameter { 55 get { return (ValueLookupParameter<IntValue>)Parameters["ParentsPerChild"]; } 56 } 57 public ValueLookupParameter<IntValue> ChildrenParameter { 58 get { return (ValueLookupParameter<IntValue>)Parameters["Children"]; } 59 } 60 public ValueLookupParameter<BoolValue> PlusSelectionParameter { 61 get { return (ValueLookupParameter<BoolValue>)Parameters["PlusSelection"]; } 62 } 63 public IValueLookupParameter<BoolValue> ReevaluateElitesParameter { 64 get { return (IValueLookupParameter<BoolValue>)Parameters["ReevaluateElites"]; } 65 } 66 public ValueLookupParameter<IntValue> MaximumGenerationsParameter { 67 get { return (ValueLookupParameter<IntValue>)Parameters["MaximumGenerations"]; } 68 } 69 public ValueLookupParameter<IOperator> MutatorParameter { 70 get { return (ValueLookupParameter<IOperator>)Parameters["Mutator"]; } 71 } 72 public ValueLookupParameter<IOperator> RecombinatorParameter { 73 get { return (ValueLookupParameter<IOperator>)Parameters["Recombinator"]; } 74 } 75 public ValueLookupParameter<IOperator> EvaluatorParameter { 76 get { return (ValueLookupParameter<IOperator>)Parameters["Evaluator"]; } 77 } 78 public ValueLookupParameter<VariableCollection> ResultsParameter { 79 get { return (ValueLookupParameter<VariableCollection>)Parameters["Results"]; } 80 } 81 public ValueLookupParameter<IOperator> AnalyzerParameter { 82 get { return (ValueLookupParameter<IOperator>)Parameters["Analyzer"]; } 83 } 84 public LookupParameter<IntValue> EvaluatedSolutionsParameter { 85 get { return (LookupParameter<IntValue>)Parameters["EvaluatedSolutions"]; } 86 } 87 private ScopeParameter CurrentScopeParameter { 88 get { return (ScopeParameter)Parameters["CurrentScope"]; } 89 } 90 private ValueLookupParameter<IOperator> StrategyParameterManipulatorParameter { 91 get { return (ValueLookupParameter<IOperator>)Parameters["StrategyParameterManipulator"]; } 92 } 93 private ValueLookupParameter<IOperator> StrategyParameterCrossoverParameter { 94 get { return (ValueLookupParameter<IOperator>)Parameters["StrategyParameterCrossover"]; } 95 } 96 97 public IScope CurrentScope { 98 get { return CurrentScopeParameter.ActualValue; } 99 } 100 #endregion 101 102 [StorableConstructor] 103 private EvolutionStrategyMainLoop(bool deserializing) : base(deserializing) { } 104 private EvolutionStrategyMainLoop(EvolutionStrategyMainLoop original, Cloner cloner) 105 : base(original, cloner) { 106 } 107 public override IDeepCloneable Clone(Cloner cloner) { 108 return new EvolutionStrategyMainLoop(this, cloner); 109 } 110 public EvolutionStrategyMainLoop() 111 : base() { 112 Initialize(); 113 } 114 115 [StorableHook(HookType.AfterDeserialization)] 116 private void AfterDeserialization() { 117 // BackwardsCompatibility3.3 118 #region Backwards compatible code, remove with 3.4 119 if (!Parameters.ContainsKey("ReevaluateElites")) { 120 Parameters.Add(new ValueLookupParameter<BoolValue>("ReevaluateElites", "Flag to determine if elite individuals should be reevaluated (i.e., if stochastic fitness functions are used.)")); 121 } 122 #endregion 123 } 124 125 private void Initialize() { 126 #region Create parameters 127 Parameters.Add(new ValueLookupParameter<IRandom>("Random", "A pseudo random number generator.")); 128 Parameters.Add(new ValueLookupParameter<BoolValue>("Maximization", "True if the problem is a maximization problem, otherwise false.")); 129 Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The value which represents the quality of a solution.")); 130 Parameters.Add(new ValueLookupParameter<DoubleValue>("BestKnownQuality", "The best known quality value found so far.")); 131 Parameters.Add(new ValueLookupParameter<IntValue>("PopulationSize", "µ (mu) - the size of the population.")); 132 Parameters.Add(new ValueLookupParameter<IntValue>("ParentsPerChild", "ρ (rho) - how many parents should be recombined.")); 133 Parameters.Add(new ValueLookupParameter<IntValue>("Children", "λ (lambda) - the size of the offspring population.")); 134 Parameters.Add(new ValueLookupParameter<IntValue>("MaximumGenerations", "The maximum number of generations which should be processed.")); 135 Parameters.Add(new ValueLookupParameter<BoolValue>("PlusSelection", "True for plus selection (elitist population), false for comma selection (non-elitist population).")); 136 Parameters.Add(new ValueLookupParameter<BoolValue>("ReevaluateElites", "Flag to determine if elite individuals should be reevaluated (i.e., if stochastic fitness functions are used.)")); 137 Parameters.Add(new ValueLookupParameter<IOperator>("Mutator", "The operator used to mutate solutions.")); 138 Parameters.Add(new ValueLookupParameter<IOperator>("Recombinator", "The operator used to cross solutions.")); 139 Parameters.Add(new ValueLookupParameter<IOperator>("Evaluator", "The operator used to evaluate solutions. This operator is executed in parallel, if an engine is used which supports parallelization.")); 140 Parameters.Add(new ValueLookupParameter<VariableCollection>("Results", "The variable collection where results should be stored.")); 141 Parameters.Add(new ValueLookupParameter<IOperator>("Analyzer", "The operator used to analyze each generation.")); 142 Parameters.Add(new LookupParameter<IntValue>("EvaluatedSolutions", "The number of times solutions have been evaluated.")); 143 Parameters.Add(new ScopeParameter("CurrentScope", "The current scope which represents a population of solutions on which the EvolutionStrategy should be applied.")); 144 Parameters.Add(new ValueLookupParameter<IOperator>("StrategyParameterManipulator", "The operator to mutate the endogeneous strategy parameters.")); 145 Parameters.Add(new ValueLookupParameter<IOperator>("StrategyParameterCrossover", "The operator to cross the endogeneous strategy parameters.")); 146 #endregion 147 148 #region Create operators 149 VariableCreator variableCreator = new VariableCreator(); 150 ResultsCollector resultsCollector1 = new ResultsCollector(); 151 Placeholder analyzer1 = new Placeholder(); 152 WithoutRepeatingBatchedRandomSelector selector = new WithoutRepeatingBatchedRandomSelector(); 153 SubScopesProcessor subScopesProcessor1 = new SubScopesProcessor(); 154 Comparator useRecombinationComparator = new Comparator(); 155 ConditionalBranch useRecombinationBranch = new ConditionalBranch(); 156 ChildrenCreator childrenCreator = new ChildrenCreator(); 157 UniformSubScopesProcessor uniformSubScopesProcessor1 = new UniformSubScopesProcessor(); 158 Placeholder recombinator = new Placeholder(); 159 Placeholder strategyRecombinator = new Placeholder(); 160 Placeholder strategyMutator1 = new Placeholder(); 161 Placeholder mutator1 = new Placeholder(); 162 SubScopesRemover subScopesRemover = new SubScopesRemover(); 163 UniformSubScopesProcessor uniformSubScopesProcessor2 = new UniformSubScopesProcessor(); 164 Placeholder strategyMutator2 = new Placeholder(); 165 Placeholder mutator2 = new Placeholder(); 166 UniformSubScopesProcessor uniformSubScopesProcessor3 = new UniformSubScopesProcessor(); 167 Placeholder evaluator = new Placeholder(); 168 SubScopesCounter subScopesCounter = new SubScopesCounter(); 169 ConditionalBranch plusOrCommaReplacementBranch = new ConditionalBranch(); 170 MergingReducer plusReplacement = new MergingReducer(); 171 RightReducer commaReplacement = new RightReducer(); 172 BestSelector bestSelector = new BestSelector(); 173 RightReducer rightReducer = new RightReducer(); 174 IntCounter intCounter = new IntCounter(); 175 Comparator comparator = new Comparator(); 176 Placeholder analyzer2 = new Placeholder(); 177 ConditionalBranch conditionalBranch = new ConditionalBranch(); 178 ConditionalBranch reevaluateElitesBranch = new ConditionalBranch(); 179 SubScopesProcessor subScopesProcessor2 = new SubScopesProcessor(); 180 UniformSubScopesProcessor uniformSubScopesProcessor4 = new UniformSubScopesProcessor(); 181 Placeholder evaluator2 = new Placeholder(); 182 SubScopesCounter subScopesCounter2 = new SubScopesCounter(); 183 184 185 variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("Generations", new IntValue(0))); // Class EvolutionStrategy expects this to be called Generations 186 187 resultsCollector1.CollectedValues.Add(new LookupParameter<IntValue>("Generations")); 188 resultsCollector1.ResultsParameter.ActualName = "Results"; 189 190 analyzer1.Name = "Analyzer (placeholder)"; 191 analyzer1.OperatorParameter.ActualName = AnalyzerParameter.Name; 192 193 selector.Name = "ES Random Selector"; 194 selector.RandomParameter.ActualName = RandomParameter.Name; 195 selector.ParentsPerChildParameter.ActualName = ParentsPerChildParameter.Name; 196 selector.ChildrenParameter.ActualName = ChildrenParameter.Name; 197 198 useRecombinationComparator.Name = "ParentsPerChild > 1"; 199 useRecombinationComparator.LeftSideParameter.ActualName = ParentsPerChildParameter.Name; 200 useRecombinationComparator.RightSideParameter.Value = new IntValue(1); 201 useRecombinationComparator.Comparison = new Comparison(ComparisonType.Greater); 202 useRecombinationComparator.ResultParameter.ActualName = "UseRecombination"; 203 204 useRecombinationBranch.Name = "Use Recombination?"; 205 useRecombinationBranch.ConditionParameter.ActualName = "UseRecombination"; 206 207 childrenCreator.ParentsPerChild = null; 208 childrenCreator.ParentsPerChildParameter.ActualName = ParentsPerChildParameter.Name; 209 210 recombinator.Name = "Recombinator (placeholder)"; 211 recombinator.OperatorParameter.ActualName = RecombinatorParameter.Name; 212 213 strategyRecombinator.Name = "Strategy Parameter Recombinator (placeholder)"; 214 strategyRecombinator.OperatorParameter.ActualName = StrategyParameterCrossoverParameter.Name; 215 216 strategyMutator1.Name = "Strategy Parameter Manipulator (placeholder)"; 217 strategyMutator1.OperatorParameter.ActualName = StrategyParameterManipulatorParameter.Name; 218 219 mutator1.Name = "Mutator (placeholder)"; 220 mutator1.OperatorParameter.ActualName = MutatorParameter.Name; 221 222 subScopesRemover.RemoveAllSubScopes = true; 223 224 strategyMutator2.Name = "Strategy Parameter Manipulator (placeholder)"; 225 strategyMutator2.OperatorParameter.ActualName = StrategyParameterManipulatorParameter.Name; 226 227 mutator2.Name = "Mutator (placeholder)"; 228 mutator2.OperatorParameter.ActualName = MutatorParameter.Name; 229 230 uniformSubScopesProcessor3.Parallel.Value = true; 231 232 evaluator.Name = "Evaluator (placeholder)"; 233 evaluator.OperatorParameter.ActualName = EvaluatorParameter.Name; 234 235 subScopesCounter.Name = "Increment EvaluatedSolutions"; 236 subScopesCounter.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name; 237 238 plusOrCommaReplacementBranch.ConditionParameter.ActualName = PlusSelectionParameter.Name; 239 240 bestSelector.CopySelected = new BoolValue(false); 241 bestSelector.MaximizationParameter.ActualName = MaximizationParameter.Name; 242 bestSelector.NumberOfSelectedSubScopesParameter.ActualName = PopulationSizeParameter.Name; 243 bestSelector.QualityParameter.ActualName = QualityParameter.Name; 244 245 intCounter.Increment = new IntValue(1); 246 intCounter.ValueParameter.ActualName = "Generations"; 247 248 comparator.Comparison = new Comparison(ComparisonType.GreaterOrEqual); 249 comparator.LeftSideParameter.ActualName = "Generations"; 250 comparator.ResultParameter.ActualName = "Terminate"; 251 comparator.RightSideParameter.ActualName = MaximumGenerationsParameter.Name; 252 253 analyzer2.Name = "Analyzer (placeholder)"; 254 analyzer2.OperatorParameter.ActualName = AnalyzerParameter.Name; 255 256 conditionalBranch.ConditionParameter.ActualName = "Terminate"; 257 258 reevaluateElitesBranch.ConditionParameter.ActualName = "ReevaluateElites"; 259 reevaluateElitesBranch.Name = "Reevaluate elites ?"; 260 261 uniformSubScopesProcessor4.Parallel.Value = true; 262 263 evaluator2.Name = "Evaluator (placeholder)"; 264 evaluator2.OperatorParameter.ActualName = EvaluatorParameter.Name; 265 266 subScopesCounter2.Name = "Increment EvaluatedSolutions"; 267 subScopesCounter2.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name; 268 #endregion 269 270 #region Create operator graph 271 OperatorGraph.InitialOperator = variableCreator; 272 variableCreator.Successor = resultsCollector1; 273 resultsCollector1.Successor = analyzer1; 274 analyzer1.Successor = selector; 275 selector.Successor = subScopesProcessor1; 276 subScopesProcessor1.Operators.Add(new EmptyOperator()); 277 subScopesProcessor1.Operators.Add(useRecombinationComparator); 278 subScopesProcessor1.Successor = plusOrCommaReplacementBranch; 279 useRecombinationComparator.Successor = useRecombinationBranch; 280 useRecombinationBranch.TrueBranch = childrenCreator; 281 useRecombinationBranch.FalseBranch = uniformSubScopesProcessor2; 282 useRecombinationBranch.Successor = uniformSubScopesProcessor3; 283 childrenCreator.Successor = uniformSubScopesProcessor1; 284 uniformSubScopesProcessor1.Operator = recombinator; 285 uniformSubScopesProcessor1.Successor = null; 286 recombinator.Successor = strategyRecombinator; 287 strategyRecombinator.Successor = strategyMutator1; 288 strategyMutator1.Successor = mutator1; 289 mutator1.Successor = subScopesRemover; 290 subScopesRemover.Successor = null; 291 uniformSubScopesProcessor2.Operator = strategyMutator2; 292 uniformSubScopesProcessor2.Successor = null; 293 strategyMutator2.Successor = mutator2; 294 mutator2.Successor = null; 295 uniformSubScopesProcessor3.Operator = evaluator; 296 uniformSubScopesProcessor3.Successor = subScopesCounter; 297 evaluator.Successor = null; 298 subScopesCounter.Successor = null; 299 300 plusOrCommaReplacementBranch.TrueBranch = reevaluateElitesBranch; 301 reevaluateElitesBranch.TrueBranch = subScopesProcessor2; 302 reevaluateElitesBranch.FalseBranch = null; 303 subScopesProcessor2.Operators.Add(uniformSubScopesProcessor4); 304 subScopesProcessor2.Operators.Add(new EmptyOperator()); 305 uniformSubScopesProcessor4.Operator = evaluator2; 306 uniformSubScopesProcessor4.Successor = subScopesCounter2; 307 subScopesCounter2.Successor = null; 308 reevaluateElitesBranch.Successor = plusReplacement; 309 310 plusOrCommaReplacementBranch.FalseBranch = commaReplacement; 311 plusOrCommaReplacementBranch.Successor = bestSelector; 312 bestSelector.Successor = rightReducer; 313 rightReducer.Successor = intCounter; 314 intCounter.Successor = comparator; 315 comparator.Successor = analyzer2; 316 analyzer2.Successor = conditionalBranch; 317 conditionalBranch.FalseBranch = selector; 318 conditionalBranch.TrueBranch = null; 319 conditionalBranch.Successor = null; 320 #endregion 321 } 322 323 public override IOperation Apply() { 324 if (MutatorParameter.ActualValue == null) 325 return null; 326 return base.Apply(); 327 } 328 } 329 } 1 ണഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊഊ -
trunk/sources/HeuristicLab.Algorithms.EvolutionStrategy/3.3/Plugin.cs.frame
r13321 r14185 1 1 #region License Information 2 2 /* HeuristicLab 3 * Copyright (C) 2002-201 5Heuristic and Evolutionary Algorithms Laboratory (HEAL)3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL) 4 4 * 5 5 * This file is part of HeuristicLab. -
trunk/sources/HeuristicLab.Algorithms.EvolutionStrategy/3.3/Properties/AssemblyInfo.cs.frame
r14171 r14185 1 1 #region License Information 2 2 /* HeuristicLab 3 * Copyright (C) 2002-201 5Heuristic and Evolutionary Algorithms Laboratory (HEAL)3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL) 4 4 * 5 5 * This file is part of HeuristicLab. -
trunk/sources/HeuristicLab.Algorithms.EvolutionStrategy/3.3/WithoutRepeatingBatchedRandomSelector.cs
r12012 r14185 1 1 #region License Information 2 2 /* HeuristicLab 3 * Copyright (C) 2002-201 5Heuristic and Evolutionary Algorithms Laboratory (HEAL)3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL) 4 4 * 5 5 * This file is part of HeuristicLab.
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