Wrapper on eoFitContinue in order to allow islands to stop as soon as an island found a good solution

2013-11-21 12:40:24 +01:00 · 2013-11-21 12:40:24 +01:00 · b1c7e1f256
commit b1c7e1f256
parent 51a1af0924
10 changed files with 254 additions and 8 deletions
--- a/smp/test/t-smpSharedFitContinue.cpp
+++ b/smp/test/t-smpSharedFitContinue.cpp
@ -0,0 +1,116 @@
+#include <smp>
+#include <eo>
+
+#include "smpTestClass.h"
+
+using namespace paradiseo::smp;
+using namespace std;
+
+int main(void)
+{
+    // Defining parameters
+    typedef struct {
+        unsigned popSize = 1000;
+        unsigned tSize = 2;
+        double pCross = 0.8;
+        double pMut = 0.7;
+        unsigned maxGen = 1000;
+    } Param; 
+
+    Param param;
+    
+    // Fixing the seed
+    rng.reseed(42);
+
+    // Load instance
+    loadInstances("t-data.dat", n, bkv, a, b);
+      
+    //Common part to all islands
+    IndiEvalFunc plainEval;
+    IndiInit chromInit;
+    eoDetTournamentSelect<Indi> selectOne(param.tSize);
+    eoSelectPerc<Indi> select(selectOne);// by default rate==1
+    IndiXover Xover;                 // CROSSOVER
+    IndiSwapMutation  mutationSwap;  // MUTATION
+    eoSGATransform<Indi> transform(Xover, param.pCross, mutationSwap, param.pMut);
+    eoPlusReplacement<Indi> replace;
+    
+    SharedFitContinue<Indi> cont(5000);
+    
+    // MODEL
+    // Topologies
+    Topology<Complete> topo;
+    IslandModel<Indi> model(topo);
+    
+    // ISLAND 1
+    // // Algorithm part
+    eoPop<Indi> pop(param.popSize, chromInit);
+    // // Emigration policy
+    // // // Element 1
+    eoPeriodicContinue<Indi> criteria(5);
+    eoDetTournamentSelect<Indi> selectOne1(20);
+    eoSelectNumber<Indi> who(selectOne1, 3);
+    
+    MigPolicy<Indi> migPolicy;
+    migPolicy.push_back(PolicyElement<Indi>(who, criteria));
+        
+    // // Integration policy
+    eoPlusReplacement<Indi> intPolicy;
+
+    Island<eoEasyEA,Indi> test(pop, intPolicy, migPolicy, cont, plainEval, select, transform, replace);
+
+    // ISLAND 1
+    // // Algorithm part
+    eoPop<Indi> pop2(30, chromInit);
+    // // Emigration policy
+    // // // Element 1 
+    eoPeriodicContinue<Indi> criteria_2(5);
+    eoDetTournamentSelect<Indi> selectOne_2(25);
+    eoSelectNumber<Indi> who_2(selectOne_2, 5);
+        
+    MigPolicy<Indi> migPolicy_2;
+    migPolicy_2.push_back(PolicyElement<Indi>(who_2, criteria_2));
+        
+    // // Integration policy
+    eoPlusReplacement<Indi> intPolicy_2;
+         
+    Island<eoEasyEA,Indi> test2(pop2, intPolicy_2, migPolicy_2, cont, plainEval, select, transform, replace);
+    
+    // Island 3
+    // // Algorithm part
+    eoPop<Indi> pop3(30, chromInit);
+    // // Emigration policy
+    // // // Element 1 
+    eoPeriodicContinue<Indi> criteria_3(10);
+    eoDetTournamentSelect<Indi> selectOne_3(15);
+    eoSelectNumber<Indi> who_3(selectOne_3, 1);
+        
+    MigPolicy<Indi> migPolicy_3;
+    migPolicy.push_back(PolicyElement<Indi>(who_3, criteria_3));
+        
+    // // Integration policy
+    eoPlusReplacement<Indi> intPolicy_3;
+    
+    Island<eoEasyEA,Indi> test3(pop3, intPolicy_3, migPolicy_3, cont, plainEval, select, transform, replace);
+    
+
+    try
+    {
+
+        model.add(test);
+        model.add(test2);
+        model.add(test3);
+        
+        model();
+        
+        cout << test.getPop() << endl;
+        cout << test2.getPop() << endl;
+        cout << test3.getPop() << endl;
+    }
+    catch(exception& e)
+    {
+      cout << "Exception: " << e.what() << '\n';
+    }
+    
+    return 0;
+}