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Ignore:
Timestamp:
05/13/09 16:39:11 (15 years ago)
Author:
dtraxing
Message:

improved support for algorithm abort. (ticket #580)

Location:
trunk/sources/HeuristicLab.FixedOperators/3.2
Files:
2 edited
1 moved

Legend:

Unmodified
Added
Removed

  • trunk/sources/HeuristicLab.FixedOperators/3.2/FixedOperatorBase.cs

    r1737 r1789  
    2222using System;
    2323using System.Collections.Generic;
    24 using System.Linq;
    25 using System.Text;
    2624using HeuristicLab.Core;
    2725using HeuristicLab.Operators;
     26using HeuristicLab.Data;
     27using System.Threading;
     28using System.Diagnostics;
    2829
    2930namespace HeuristicLab.FixedOperators {
    30   class FixedBase : CombinedOperator {
     31  class FixedOperatorBase : CombinedOperator {
    3132
    32     protected virtual void Execute(IOperator op, IScope scope){
    33       IOperation operation;
    34       IOperator currentOperator;
    35       Stack<IOperation> executionStack = new Stack<IOperation>();
    36       executionStack.Push(op.Execute(scope));
     33    private class TasksList {
     34      public IOperator op;
     35      public IScope scope;
     36      public ManualResetEvent resetEvent;
     37    }
     38    /// <summary>
     39    /// Execution pointer shows which command actually is executed
     40    /// </summary>
     41    protected int executionPointer;
    3742
    38       while (executionStack.Count > 0) {
    39         operation = executionStack.Pop();
    40         if (operation is AtomicOperation) {
    41           AtomicOperation atomicOperation = (AtomicOperation)operation;
    42           IOperation next = null;
     43    /// <summary>
     44    /// Execution pointer if execution was aborted previously
     45    /// </summary>
     46    protected IntData persistedExecutionPointer;
     47
     48    /// <summary>
     49    /// If true, mini engine is executed in its own thread.
     50    /// </summary>
     51    protected bool threaded;
     52
     53    protected Thread engineThread;
     54
     55    /// <summary>
     56    /// Current operator in execution.
     57    /// </summary>
     58    protected IOperator currentOperator;
     59
     60    public FixedOperatorBase() : base() {
     61      //AddVariableInfo(new VariableInfo("ExecutionPointer", "Execution pointer for algorithm abortion", typeof(IntData), VariableKind.New));   
     62    } // FixedOperatorBase
     63
     64    private bool IsExecuted() {
     65      return persistedExecutionPointer.Data > executionPointer;
     66    } // AlreadyExecuted
     67
     68    protected virtual void Execute(IOperator op, IScope scope, bool runInThread) {
     69      if (!IsExecuted()) {
     70        if (runInThread) {
    4371          try {
    44             currentOperator = atomicOperation.Operator;
    45             next = atomicOperation.Operator.Execute(atomicOperation.Scope);
     72            // causes fatal computing overhead 5:30 minutes for sga
     73            //engineThread = new Thread(new ThreadStart(ExecuteOperation));
     74            //engineThread.Start();
     75            //engineThread.Join();
     76
     77            // causes computing overhead, 11 sec for sga
     78            Stopwatch sw = new Stopwatch();
     79            sw.Start();
     80            TasksList tl = new TasksList() { op = op, scope = scope, resetEvent = new ManualResetEvent(false) };
     81            Console.WriteLine(sw.ElapsedTicks);     
     82            ThreadPool.QueueUserWorkItem(new WaitCallback(ExecuteOperationThreaded), (object)tl);
     83            Console.WriteLine(sw.ElapsedTicks);
     84            WaitHandle.WaitAll(new WaitHandle[] { tl.resetEvent });
     85            Console.WriteLine(sw.ElapsedTicks);
    4686          }
    47           catch (Exception) {
    48             //Abort();
    49             //ThreadPool.QueueUserWorkItem(delegate(object state) { OnExceptionOccurred(ex); });
    50             throw new InvalidOperationException("Invalid Operation occured in FixedBase.Execute");
     87          catch (ThreadAbortException) {
     88            return;
    5189          }
    52           if (next != null)
    53             executionStack.Push(next);
    54         } else if (operation is CompositeOperation) {
    55           CompositeOperation compositeOperation = (CompositeOperation)operation;
    56           for (int i = compositeOperation.Operations.Count - 1; i >= 0; i--)
    57             executionStack.Push(compositeOperation.Operations[i]);
    58         } // else if
    59       } // while
     90        } else {
     91          ExecuteOperation(op, scope);
     92        }
     93        persistedExecutionPointer.Data++;
     94      } // if not executed
     95      executionPointer++;
     96      Console.WriteLine(executionPointer);
     97
     98      if (Canceled)
     99        throw new CancelException();
    60100    } // Execute
    61101
     102    private void ExecuteOperationThreaded(object o) {
     103      TasksList tl = (TasksList)o;
     104      ExecuteOperation(tl.op, tl.scope);
     105      tl.resetEvent.Set();
     106    } // ExecuteOperationThreaded
     107
     108    protected void ExecuteOperation(IOperator op, IScope scope) {
     109      IOperation operation;
     110      currentOperator = op;
     111      operation = op.Execute(scope);
     112      if (operation != null) {
     113        //IOperator currentOperator;
     114        Stack<IOperation> executionStack = new Stack<IOperation>();
     115        executionStack.Push(op.Execute(scope));
     116
     117        while (executionStack.Count > 0) {
     118          operation = executionStack.Pop();
     119          if (operation is AtomicOperation) {
     120            AtomicOperation atomicOperation = (AtomicOperation)operation;
     121            IOperation next = null;
     122            try {
     123              currentOperator = atomicOperation.Operator;
     124              next = currentOperator.Execute(atomicOperation.Scope);
     125            }
     126            catch (Exception) {
     127              throw new InvalidOperationException("Invalid Operation occured in FixedBase.Execute");
     128            }
     129            if (next != null)
     130              executionStack.Push(next);
     131          } else if (operation is CompositeOperation) {
     132            CompositeOperation compositeOperation = (CompositeOperation)operation;
     133            for (int i = compositeOperation.Operations.Count - 1; i >= 0; i--)
     134              executionStack.Push(compositeOperation.Operations[i]);
     135          } // else if
     136        } // while
     137      } // if (operation != null)
     138    } // ExecuteOperation
     139
     140    public override IOperation Apply(IScope scope) {
     141      try {
     142        persistedExecutionPointer = scope.GetVariableValue<IntData>("ExecutionPointer", false);
     143      }
     144      catch (Exception) {
     145        persistedExecutionPointer = new IntData(0);
     146        scope.AddVariable(new Variable("ExecutionPointer", persistedExecutionPointer));
     147      }
     148     
     149      executionPointer = 0;
     150      return null;
     151    } // Apply
     152
     153    public override void Abort() {
     154      base.Abort();
     155      currentOperator.Abort();
     156      //engineThread.Abort();
     157    }
     158
     159
     160
    62161  } // class FixedBase
     162
     163  class CancelException : Exception {
     164 
     165  } // class CancelException
    63166} // namespace HeuristicLab.FixedOperators

  • trunk/sources/HeuristicLab.FixedOperators/3.2/FixedSGAMain.cs

    r1731 r1789  
    3333using System.Diagnostics;
    3434using HeuristicLab.Selection;
     35using System.Threading;
    3536
    3637namespace HeuristicLab.FixedOperators {
    37   class FixedSGAMain : FixedBase {
     38  class FixedSGAMain : FixedOperatorBase {
    3839    public override string Description {
    3940      get { return @"Implements the functionality of SGAMain with fixed control structures. Operators like selection, crossover, mutation and evaluation are delegated."; }
    … …  
    6061    MergingReducer mr;
    6162
     63    Thread executionThread;
     64    Thread cancelThread;
     65
    6266
    6367    //long[] timesExecuteCreateChildren;
    64 
    6568    public FixedSGAMain()
    6669      : base() {
    … …  
    6871      AddVariableInfo(new VariableInfo("MaximumGenerations", "Maximum number of generations to create", typeof(IntData), VariableKind.In));
    6972      AddVariableInfo(new VariableInfo("Generations", "Number of processed generations", typeof(IntData), VariableKind.In | VariableKind.Out));
    70       AddVariableInfo(new VariableInfo("ExecutionPointer", "Execution pointer for algorithm abortion", typeof(IntData), VariableKind.New));
    7173
    7274      Name = "FixedSGAMain";
    … …  
    111113
    112114    public override IOperation Apply(IScope scope) {
    113       Stopwatch swApply = new Stopwatch();
    114       swApply.Start();
    115       for (int i = 0; i < SubOperators.Count; i++) {
    116         if (scope.GetVariable(SubOperators[i].Name) != null)
    117           scope.RemoveVariable(SubOperators[i].Name);
    118         scope.AddVariable(new Variable(SubOperators[i].Name, SubOperators[i]));
     115      base.Apply(scope);
     116      object o = (object)scope;
     117      WorkerMethod(o);
     118      //try {
     119      //  executionThread = new Thread(new ParameterizedThreadStart(WorkerMethod));
     120      //  executionThread.Name = "ExecutionThread";
     121      //  executionThread.Start(o);
     122
     123      //  //cancelThread = new Thread(new ThreadStart(CheckCancelFlag));
     124      //  //cancelThread.Name = "CancelFlagCheckerThread";
     125      //  //cancelThread.Start();
     126
     127      //  executionThread.Join();
     128      //}
     129      //catch (ThreadAbortException) {
     130      //  return new AtomicOperation(this, scope);
     131      //}
     132
     133      if (Canceled) {
     134        return new AtomicOperation(this, scope);
    119135      }
    120136
    121       OperatorBase selector = (OperatorBase)GetVariableValue("Selector", scope, true);
    122       QualityLogger ql = new QualityLogger();
    123 
    124       BestAverageWorstQualityCalculator bawqc = new BestAverageWorstQualityCalculator();
    125       DataCollector dc = new DataCollector();
    126       ItemList<StringData> names = dc.GetVariable("VariableNames").GetValue<ItemList<StringData>>();
    127       names.Add(new StringData("BestQuality"));
    128       names.Add(new StringData("AverageQuality"));
    129       names.Add(new StringData("WorstQuality"));
    130 
    131       LinechartInjector lci = new LinechartInjector();
    132       lci.GetVariableInfo("Linechart").ActualName = "Quality Linechart";
    133       lci.GetVariable("NumberOfLines").GetValue<IntData>().Data = 3;
    134 
    135       LessThanComparator ltc = new LessThanComparator();
    136       ltc.GetVariableInfo("LeftSide").ActualName = "Generations";
    137       ltc.GetVariableInfo("RightSide").ActualName = "MaximumGenerations";
    138       ltc.GetVariableInfo("Result").ActualName = "GenerationsCondition";
    139 
    140       IntData maxGenerations = GetVariableValue<IntData>("MaximumGenerations", scope, true);
    141       IntData nrOfGenerations = GetVariableValue<IntData>("Generations", scope, true);
    142 
    143 
    144       // executionpointer saves the reentry point after engine abort occurs.
    145       IntData executionPointer;
     137      return null;
     138    } // Apply
     139
     140    private void CheckCancelFlag() {
     141      while (executionThread.IsAlive) {
     142        if (Canceled) {
     143          executionThread.Abort();
     144          return;
     145        }
     146        Thread.Sleep(500);
     147      } // while
     148    } // CheckCancelFlag
     149
     150    private void WorkerMethod(object o) {
    146151      try {
    147         executionPointer = GetVariableValue<IntData>("ExecutionPointer", scope, true);
     152        IScope scope = o as IScope;
     153        Stopwatch swApply = new Stopwatch();
     154        swApply.Start();
     155        for (int i = 0; i < SubOperators.Count; i++) {
     156          if (scope.GetVariable(SubOperators[i].Name) != null)
     157            scope.RemoveVariable(SubOperators[i].Name);
     158          scope.AddVariable(new Variable(SubOperators[i].Name, SubOperators[i]));
     159        }
     160
     161        OperatorBase selector = (OperatorBase)GetVariableValue("Selector", scope, true);
     162        QualityLogger ql = new QualityLogger();
     163
     164        BestAverageWorstQualityCalculator bawqc = new BestAverageWorstQualityCalculator();
     165        DataCollector dc = new DataCollector();
     166        ItemList<StringData> names = dc.GetVariable("VariableNames").GetValue<ItemList<StringData>>();
     167        names.Add(new StringData("BestQuality"));
     168        names.Add(new StringData("AverageQuality"));
     169        names.Add(new StringData("WorstQuality"));
     170
     171        LinechartInjector lci = new LinechartInjector();
     172        lci.GetVariableInfo("Linechart").ActualName = "Quality Linechart";
     173        lci.GetVariable("NumberOfLines").GetValue<IntData>().Data = 3;
     174
     175        LessThanComparator ltc = new LessThanComparator();
     176        ltc.GetVariableInfo("LeftSide").ActualName = "Generations";
     177        ltc.GetVariableInfo("RightSide").ActualName = "MaximumGenerations";
     178        ltc.GetVariableInfo("Result").ActualName = "GenerationsCondition";
     179
     180        IntData maxGenerations = GetVariableValue<IntData>("MaximumGenerations", scope, true);
     181        IntData nrOfGenerations = GetVariableValue<IntData>("Generations", scope, true);
     182        nrOfGenerations.Data = 0;
     183
     184        threaded = false;
     185        // fetch variables from scope for create children
     186        InitializeExecuteCreateChildren(scope);
     187        try {
     188          //for (int i = nrOfGenerations.Data; i < maxGenerations.Data; i++) {
     189          //  Execute(selector, scope, false);
     190          //  ExecuteCreateChildrenWithFixedControlStructures(scope.SubScopes[1]);
     191          //  ExecuteCreateReplacementWithFixedConstrolStructures(scope);
     192          //  ql.Execute(scope);
     193          //  bawqc.Execute(scope);
     194          //  dc.Execute(scope);
     195          //  lci.Execute(scope);
     196          //  nrOfGenerations.Data++;
     197          //} // for i
     198          for (int i = 0; i < maxGenerations.Data; i++) {
     199            Execute(selector, scope, false);
     200            ExecuteCreateChildrenWithFixedControlStructures(scope.SubScopes[1]);
     201            ExecuteCreateReplacementWithFixedConstrolStructures(scope);
     202            Execute(ql, scope, false);
     203            Execute(bawqc, scope, false);
     204            Execute(dc, scope, false);
     205            Execute(lci, scope, false);
     206            nrOfGenerations.Data++;
     207          } // for i
     208        } // try
     209        catch (CancelException) {
     210          Console.WriteLine("Micro engine aborted by cancel flag.");
     211        }
     212
     213        //for (int i = nrOfGenerations.Data; i < maxGenerations.Data && !Canceled; i++) {
     214        //  if (Canceled) {
     215        //    executionPointer.Data = -1;
     216        //    continue;
     217        //  }
     218        //  if (executionPointer.Data < 0)
     219        //    Execute(selector, scope);
     220
     221        //  if (Canceled) {
     222        //    executionPointer.Data = 0;
     223        //    continue;
     224        //  }
     225        //  if (executionPointer.Data < 1)
     226        //    ExecuteCreateChildrenWithFixedControlStructures(scope.SubScopes[1]);
     227
     228        //  if (Canceled) {
     229        //    executionPointer.Data = 1;
     230        //    continue;
     231        //  }
     232        //  if (executionPointer.Data < 2)
     233        //    ExecuteCreateReplacementWithFixedConstrolStructures(scope);
     234
     235        //  if (Canceled) {
     236        //    executionPointer.Data = 2;
     237        //    continue;
     238        //  }
     239        //  if (executionPointer.Data < 3) {
     240        //    ql.Execute(scope);
     241        //    bawqc.Execute(scope);
     242        //    dc.Execute(scope);
     243        //    lci.Execute(scope);
     244        //    nrOfGenerations.Data++;
     245        //  }
     246        //  executionPointer.Data = -1;
     247        //} // for i
     248
     249
     250        //Stopwatch watch = new Stopwatch();
     251        //long[] times = new long[10];
     252        //timesExecuteCreateChildren = new long[10];
     253        //for (int i = nrOfGenerations.Data; i < maxGenerations.Data && !Canceled; i++) {
     254        //  watch.Start();
     255        //  selector.Execute(scope);
     256        //  watch.Stop();
     257        //  times[0] += watch.ElapsedTicks;
     258        //  watch.Reset();
     259        //  watch.Start();
     260        //  ExecuteCreateChildrenWithFixedControlStructures(scope.SubScopes[1]);
     261        //  watch.Stop();
     262        //  times[1] += watch.ElapsedTicks;
     263        //  watch.Reset();
     264        //  watch.Start();
     265        //  ExecuteCreateReplacementWithFixedConstrolStructures(scope);
     266        //  watch.Stop();
     267        //  times[2] += watch.ElapsedTicks;
     268        //  watch.Reset();
     269        //  watch.Start();
     270        //  ql.Execute(scope);
     271        //  watch.Stop();
     272        //  times[3] += watch.ElapsedTicks;
     273        //  watch.Reset();
     274        //  watch.Start();
     275        //  bawqc.Execute(scope);
     276        //  watch.Stop();
     277        //  times[4] += watch.ElapsedTicks;
     278        //  watch.Reset();
     279        //  watch.Start();
     280        //  dc.Execute(scope);
     281        //  watch.Stop();
     282        //  times[5] += watch.ElapsedTicks;
     283        //  watch.Reset();
     284        //  watch.Start();
     285        //  lci.Execute(scope);
     286        //  watch.Stop();
     287        //  times[6] += watch.ElapsedTicks;
     288        //  watch.Reset();
     289        //  watch.Start();
     290        //  nrOfGenerations.Data++;
     291        //}
     292
     293        swApply.Stop();
     294        Console.WriteLine("SGAMain.Apply(): {0}", swApply.Elapsed);
     295
     296        //if (Canceled) {
     297        //  return new AtomicOperation(this, scope);
     298        //}
     299
     300        //return null;
     301
    148302      }
    149       catch (Exception) {
    150         scope.AddVariable(new Variable("ExecutionPointer", new IntData(-1)));
    151         executionPointer = GetVariableValue<IntData>("ExecutionPointer", scope, true);
     303      catch (ThreadAbortException) {
     304
     305        throw;
    152306      }
    153 
    154       // fetch variables from scope for create children
    155       InitializeExecuteCreateChildren(scope);
    156       for (int i = nrOfGenerations.Data; i < maxGenerations.Data && !Canceled; i++) {
    157         if (Canceled) {
    158           executionPointer.Data = -1;
    159           continue;
    160         }
    161         if (executionPointer.Data < 0)
    162           Execute(selector, scope);
    163 
    164         if (Canceled) {
    165           executionPointer.Data = 0;
    166           continue;
    167         }
    168         if (executionPointer.Data < 1)
    169           ExecuteCreateChildrenWithFixedControlStructures(scope.SubScopes[1]);
    170 
    171         if (Canceled) {
    172           executionPointer.Data = 1;
    173           continue;
    174         }
    175         if (executionPointer.Data < 2)
    176           ExecuteCreateReplacementWithFixedConstrolStructures(scope);
    177 
    178         if (Canceled) {
    179           executionPointer.Data = 2;
    180           continue;
    181         }
    182         if (executionPointer.Data < 3) {
    183           ql.Execute(scope);
    184           bawqc.Execute(scope);
    185           dc.Execute(scope);
    186           lci.Execute(scope);
    187           nrOfGenerations.Data++;
    188         }
    189         executionPointer.Data = -1;
    190       } // for i
    191 
    192       //Stopwatch watch = new Stopwatch();
    193       //long[] times = new long[10];
    194       //timesExecuteCreateChildren = new long[10];
    195       //for (int i = nrOfGenerations.Data; i < maxGenerations.Data && !Canceled; i++) {
    196       //  watch.Start();
    197       //  selector.Execute(scope);
    198       //  watch.Stop();
    199       //  times[0] += watch.ElapsedTicks;
    200       //  watch.Reset();
    201       //  watch.Start();
    202       //  ExecuteCreateChildrenWithFixedControlStructures(scope.SubScopes[1]);
    203       //  watch.Stop();
    204       //  times[1] += watch.ElapsedTicks;
    205       //  watch.Reset();
    206       //  watch.Start();
    207       //  ExecuteCreateReplacementWithFixedConstrolStructures(scope);
    208       //  watch.Stop();
    209       //  times[2] += watch.ElapsedTicks;
    210       //  watch.Reset();
    211       //  watch.Start();
    212       //  ql.Execute(scope);
    213       //  watch.Stop();
    214       //  times[3] += watch.ElapsedTicks;
    215       //  watch.Reset();
    216       //  watch.Start();
    217       //  bawqc.Execute(scope);
    218       //  watch.Stop();
    219       //  times[4] += watch.ElapsedTicks;
    220       //  watch.Reset();
    221       //  watch.Start();
    222       //  dc.Execute(scope);
    223       //  watch.Stop();
    224       //  times[5] += watch.ElapsedTicks;
    225       //  watch.Reset();
    226       //  watch.Start();
    227       //  lci.Execute(scope);
    228       //  watch.Stop();
    229       //  times[6] += watch.ElapsedTicks;
    230       //  watch.Reset();
    231       //  watch.Start();
    232       //  nrOfGenerations.Data++;
    233       //}
    234 
    235       swApply.Stop();
    236       Console.WriteLine("SGAMain.Apply(): {0}", swApply.Elapsed);
    237 
    238       if (Canceled)
    239         return new AtomicOperation(this, scope);
    240 
    241       return null;
    242307    } // Apply
    243308
    … …  
    264329    /// <param name="scope"></param>
    265330    protected void ExecuteCreateChildrenWithFixedControlStructures(IScope scope) {
     331      //// ChildrenInitializer
     332      //ci.Apply(scope);
     333      //// UniformSequentialSubScopesProcessor
     334      //foreach (IScope s in scope.SubScopes) {
     335      //  Execute(crossover, s, false);
     336      //  // Stochastic Branch
     337      //  if (random.NextDouble() < probability.Data)
     338      //    Execute(mutator, s, false);
     339      //  Execute(evaluator, s, false);
     340      //  sr.Execute(s);
     341      //  counter.Execute(s);
     342      //} // foreach
     343
     344      //sorter.Execute(scope);
     345
     346      EmptyOperator empty = new EmptyOperator();
     347
    266348      // ChildrenInitializer
    267       ci.Apply(scope);
     349      Execute(ci, scope, false);
    268350      // UniformSequentialSubScopesProcessor
    269351      foreach (IScope s in scope.SubScopes) {
    270         Execute(crossover, s);
     352        Execute(crossover, s, false);
    271353        // Stochastic Branch
    272354        if (random.NextDouble() < probability.Data)
    273           Execute(mutator, s);
    274         Execute(evaluator, s);
    275         sr.Execute(s);
    276         counter.Execute(s);
     355          Execute(mutator, s, false);
     356        else
     357          Execute(empty, s, false);
     358        Execute(evaluator, s, false);
     359        Execute(sr, s, false);
     360        Execute(counter, s, false);
    277361      } // foreach
    278362
    279       sorter.Execute(scope);
     363      Execute(sorter, scope, false);
    280364    } // ExecuteCreateChildrenHWCS
    281365
    282366    private void ExecuteCreateReplacementWithFixedConstrolStructures(IScope scope) {
    283       // SequentialSubScopesProcessor
    284       ls.Execute(scope.SubScopes[0]);
    285       rr.Execute(scope.SubScopes[0]);
    286 
    287       rs.Execute(scope.SubScopes[1]);
    288       lr.Execute(scope.SubScopes[1]);
    289 
    290       mr.Execute(scope);
    291       sorter.Execute(scope);
     367      //// SequentialSubScopesProcessor
     368      //ls.Execute(scope.SubScopes[0]);
     369      //rr.Execute(scope.SubScopes[0]);
     370
     371      //rs.Execute(scope.SubScopes[1]);
     372      //lr.Execute(scope.SubScopes[1]);
     373
     374      //mr.Execute(scope);
     375      //sorter.Execute(scope);
     376
     377      Execute(ls, scope.SubScopes[0], false);
     378      Execute(rr, scope.SubScopes[0], false);
     379
     380      Execute(rs, scope.SubScopes[1], false);
     381      Execute(lr, scope.SubScopes[1], false);
     382
     383      Execute(mr, scope, false);
     384      Execute(sorter, scope, false);
     385
    292386    } // ExecuteCreateReplacementWithFixedConstrolStructures
     387
     388    //public override void Abort() {
     389    //  base.Abort();
     390    //  executionThread.Abort();
     391    //} // Abort
     392
    293393  } // class FixedSGAMain
    294394} // namespace HeuristicLab.FixedOperators

  • trunk/sources/HeuristicLab.FixedOperators/3.2/HeuristicLab.FixedOperators-3.2.csproj

    r1739 r1789  
    100100  </ItemGroup>
    101101  <ItemGroup>
    102     <Compile Include="FixedAllSGAMain.cs" />
    103     <Compile Include="CreateReplacement.cs" />
    104     <Compile Include="CreateChildrenHardWired.cs" />
    105     <Compile Include="FixedBase.cs" />
     102    <Compile Include="FixedOperatorBase.cs" />
    106103    <Compile Include="FixedSGAMain.cs" />
    107104    <Compile Include="HeuristicLabFixedOperatorsPlugin.cs" />
    108105    <Compile Include="Properties\AssemblyInfo.cs" />
    109     <Compile Include="CreateChildren.cs" />
    110106  </ItemGroup>
    111107  <ItemGroup>
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