[6615] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[15584] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[6615] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[12764] | 22 | using System;
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[12774] | 23 | using System.Linq;
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[6615] | 24 | using HeuristicLab.Common;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Data;
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| 27 | using HeuristicLab.Operators;
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| 28 | using HeuristicLab.Optimization;
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| 29 | using HeuristicLab.Parameters;
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| 30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 31 |
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[12764] | 32 | namespace HeuristicLab.Analysis {
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[12771] | 33 | [Item("QualityPerClockAnalyzer", @"Creates a plot of the solution quality with respect to the elapsed wall-clock time.")]
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[6615] | 34 | [StorableClass]
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[12771] | 35 | public class QualityPerClockAnalyzer : SingleSuccessorOperator, IAnalyzer, ISingleObjectiveOperator {
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[7172] | 36 | public virtual bool EnabledByDefault {
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[12764] | 37 | get { return false; }
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[7172] | 38 | }
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| 39 |
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[12764] | 40 | public ILookupParameter<DoubleValue> BestQualityParameter {
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| 41 | get { return (ILookupParameter<DoubleValue>)Parameters["BestQuality"]; }
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[6615] | 42 | }
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[12771] | 43 |
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[12803] | 44 | public ILookupParameter<DateTimeValue> LastUpdateTimeParameter {
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| 45 | get { return (ILookupParameter<DateTimeValue>)Parameters["LastUpdateTime"]; }
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[6615] | 46 | }
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[12771] | 47 |
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| 48 | public IResultParameter<IndexedDataTable<double>> QualityPerClockParameter {
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| 49 | get { return (IResultParameter<IndexedDataTable<double>>)Parameters["QualityPerClock"]; }
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[6615] | 50 | }
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| 51 |
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| 52 | [StorableConstructor]
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[12771] | 53 | protected QualityPerClockAnalyzer(bool deserializing) : base(deserializing) { }
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| 54 | protected QualityPerClockAnalyzer(QualityPerClockAnalyzer original, Cloner cloner) : base(original, cloner) { }
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| 55 | public QualityPerClockAnalyzer()
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[6615] | 56 | : base() {
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[12764] | 57 | Parameters.Add(new LookupParameter<DoubleValue>("BestQuality", "The quality value that should be compared."));
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[12803] | 58 | Parameters.Add(new LookupParameter<DateTimeValue>("LastUpdateTime", "The time the analyzer was last run."));
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[12771] | 59 | Parameters.Add(new ResultParameter<IndexedDataTable<double>>("QualityPerClock", "Data table containing the first hitting graph with elapsed wall clock time (in seconds) as the x-axis."));
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| 60 | QualityPerClockParameter.DefaultValue = new IndexedDataTable<double>("Quality per Clock") {
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| 61 | VisualProperties = {
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| 62 | XAxisTitle = "Elapsed time [s]",
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| 63 | YAxisTitle = "Quality"
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| 64 | },
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| 65 | Rows = { new IndexedDataRow<double>("First-hit Graph") { VisualProperties = {
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| 66 | ChartType = DataRowVisualProperties.DataRowChartType.StepLine,
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[12808] | 67 | LineWidth = 2
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[12771] | 68 | } } }
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[12764] | 69 | };
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[6615] | 70 | }
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| 71 |
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| 72 | public override IDeepCloneable Clone(Cloner cloner) {
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[12771] | 73 | return new QualityPerClockAnalyzer(this, cloner);
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[6615] | 74 | }
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| 75 |
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| 76 | public override IOperation Apply() {
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[12764] | 77 | var bestQuality = BestQualityParameter.ActualValue.Value;
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[14058] | 78 | var dataTable = QualityPerClockParameter.ActualValue;
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[12774] | 79 | var values = dataTable.Rows["First-hit Graph"].Values;
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[6615] | 80 |
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[12834] | 81 | var lastUpdateTime = LastUpdateTimeParameter.ActualValue;
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| 82 | if (lastUpdateTime == null) {
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| 83 | lastUpdateTime = new DateTimeValue(DateTime.UtcNow.AddMilliseconds(-1));
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| 84 | LastUpdateTimeParameter.ActualValue = lastUpdateTime;
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| 85 | }
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[12804] | 86 |
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[12834] | 87 | var now = DateTime.UtcNow;
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| 88 | var runtimeSoFar = (now - lastUpdateTime.Value).TotalSeconds + (values.Count > 0 ? values.Last().Item1 : 0);
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| 89 | lastUpdateTime.Value = now;
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| 90 | var newEntry = Tuple.Create(runtimeSoFar, bestQuality);
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| 91 |
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| 92 | if (values.Count == 0) {
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[15220] | 93 | values.Add(newEntry); // record the first data
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| 94 | values.Add(Tuple.Create(runtimeSoFar, bestQuality)); // last entry records max number of evaluations
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[12834] | 95 | return base.Apply();
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[12804] | 96 | }
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[12834] | 97 |
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| 98 | var improvement = values.Last().Item2 != bestQuality;
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| 99 | if (improvement) {
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[15220] | 100 | values[values.Count - 1] = newEntry; // record the improvement
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| 101 | values.Add(Tuple.Create(runtimeSoFar, bestQuality)); // last entry records max number of evaluations
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[12834] | 102 | } else {
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| 103 | values[values.Count - 1] = Tuple.Create(runtimeSoFar, bestQuality);
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| 104 | }
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[6615] | 105 | return base.Apply();
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| 106 | }
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| 107 | }
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| 108 | }
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