New lessons (multi-start)

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@785 331e1502-861f-0410-8da2-ba01fb791d7f
2007-11-12 15:21:55 +00:00 · 2007-11-12 15:21:55 +00:00 · 2c6b97d39f
commit 2c6b97d39f
parent d55413b5e4
10 changed files with 473 additions and 2 deletions
--- a/trunk/paradiseo-peo/tutorial/Lesson6/main.cpp
+++ b/trunk/paradiseo-peo/tutorial/Lesson6/main.cpp
@ -0,0 +1,105 @@
+/* 
+* <main.cpp>
+* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
+* (C) OPAC Team, INRIA, 2007
+*
+* Alexandru-Adrian Tantar, Clive Canape
+*
+* This software is governed by the CeCILL license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
+* Contact: paradiseo-help@lists.gforge.inria.fr
+*          
+*/
+
+
+#include <peo>
+
+// Specific libraries (TSP)
+#include <param.h>
+#include <route.h>
+#include <route_eval.h>
+#include <route_init.h>
+#include <two_opt.h>
+#include <two_opt_init.h>
+#include <two_opt_next.h>
+#include <two_opt_incr_eval.h>
+
+
+int main( int __argc, char** __argv )
+{
+	
+/* In this lesson you will learn to use a multi-start.
+ * 
+ * Thanks to this method, you can use several local searches together !!! 
+ *
+ */
+	
+// Parameter
+	const unsigned int POP_SIZE = 10;
+	srand( time(NULL) );
+
+// Initializing the ParadisEO-PEO environment
+	peo :: init( __argc, __argv );
+// Processing the command line specified parameters
+	loadParameters( __argc, __argv );
+
+// Define a Hill Climbing (you can choose an other local search)
+// ie Lessons of ParadisEO - MO
+	Route route;
+	RouteInit init;
+	init(route);
+	RouteEval eval; 
+	eval(route);
+	TwoOptInit initHC;
+	TwoOptNext nextHC;
+	TwoOptIncrEval incrHC;
+	moBestImprSelect< TwoOpt > selectHC;
+	moHC< TwoOpt > hc(initHC, nextHC, incrHC, selectHC, eval);
+
+// Define a population
+	RouteInit initPop;	// Creates random Route objects
+	RouteEval evalPop;	// Offers a fitness value for a specified Route object
+	eoPop < Route > pop(POP_SIZE, initPop);
+	for ( unsigned int index = 0; index < POP_SIZE; index++ )
+		evalPop( pop[ index ] );
+
+// Setting up the parallel wrapper
+	peoSynchronousMultiStart< Route > parallelHC(hc);
+	peoParallelAlgorithmWrapper WrapHC (parallelHC, pop);
+	parallelHC.setOwner( WrapHC );
+
+	peo :: run( );
+	peo :: finalize( );
+	if ( getNodeRank() == 1 ) 
+	{
+
+		std :: cout << "\n\nBefore : \n" << route;
+		std :: cout << "\n\nWith the synchronous Multi-Start HCs:";
+		for ( unsigned int index = 0; index < POP_SIZE; index++ ) 
+			std::cout <<"\n"<< pop[ index ];
+	}
+
+}