Yes you're right. the slave never enter the function GA() and Objective1(),
thanks for your help. Is anybody can help me on giving some advice or idea
on how im gonna call the slave in function Objective1() ? because in my
program, main() only for master.
On 3/28/07, Elie Choueiri <elie.choueiri_at_[hidden]> wrote:
>
> Hello.
> I'm not very familiar with the C++ calls, but some points to watch out for
> over a quick scan of the code:
>
> 1) Do the slaves ever call MPI::Finalize(); ?
> 2) Do the slaves ever enter ga() or Objective1(); ? main() only has the
> master doing anything..
>
>
> On 3/28/07, Muhammad Faiz Misman <faizmisman_at_[hidden]> wrote:
>
> > Hi. now im doing parallel GA for my final project using C++. But now im
> > having a problem with my program. when im running my program this kind of
> > error happened :
> >
> > One of the processes started by mpirun has exited with a nonzero exit
> > code. This typically indicates that the * process* finished in error.
> > If your * process* did not finish in error, be sure to include a "return
> >
> > * 0* " or "exit(0)" in your C code before exiting the application.
> >
> > PID 26349 failed on node n0 (10.1.1.1) due to signal 13 .
> >
> > I hope there is someone can help me explain whats wrong with my program
> > and whats the maeaning by signal 13. Thanks
> >
> > Here is algorithm of my program (most of my parallel program at function
> > Objective1) :
> >
> > .............................................................................................................................................................................................................
> >
> >
> > int main (argc, argv) { //all in main is master part
> >
> > MPI::Init(argc, argv);
> >
> > master = id = 0;
> >
> > if (id == master) {
> >
> > ga(); //calling the function GA
> >
> > MPI::Finalize();
> >
> > } //end master
> >
> > } // end main
> > .
> > .
> > .
> > void ga(); {
> > .
> > .
> > .
> > float Objective1();
> >
> > } //function ga
> >
> > void svm_train(); //function svm_train
> >
> > float Objective1(); float Objective1(GAGenome& g)
> > {
> >
> > int p, id, slave;
> > int master = 0;
> > int tag = 15;
> > MPI::Status status;
> >
> > id = MPI::COMM_WORLD.Get_rank();
> > p = MPI::COMM_WORLD.Get_size();
> >
> > MPI::Request send[p], recv[p];
> >
> > GA1DBinaryStringGenome & genome = (GA1DBinaryStringGenome &)g;
> > fstream file_index(indexf,ios::trunc|ios::in|ios::out);//create file
> > for index output
> > double score=0.0;
> >
> > if (id == master) {
> >
> > if(!file_index)
> > {
> > cerr << "Cannot open index1 file " << file_index << " for
> > input.\n";
> > exit(1);
> > }
> >
> > cout<<"chromosome value "<<++bilang<<": ";
> > for (int i=0; i<genome.length(); i++)
> > {
> > cout<<(genome.gene(i));
> > file_index<<( genome.gene(i));
> > }
> > cout<<" ";
> > file_index<<endl;
> > file_index.close();
> >
> > for (slave = 1; slave < p; slave++) {
> > //cout<<"sending to slave "<<slave<<" from "<<id<<endl;
> > send[slave] = MPI::COMM_WORLD.Isend(&indexf, 1, MPI::CHAR,
> > bilang, tag);
> > send[slave] = MPI::COMM_WORLD.Isend(&file_index, 1, MPI::CHAR,
> > bilang, tag);
> >
> > }//end for
> >
> > }//end master
> > else {
> >
> > recv[slave] = MPI::COMM_WORLD.Irecv(&indexf, 1, MPI::CHAR, master,
> > tag);
> > recv[slave] = MPI::COMM_WORLD.Irecv(&file_index, 1, MPI::CHAR,
> > master, tag);
> >
> > featureselection_train(); //select features (genes) from
> > s2AMLALL_train.fs.data
> > featureselection_test(); //select features (genes) from
> > s2AMLALL_test.fs.data
> > svm_train();
> >
> > send[slave] = MPI::COMM_WORLD.Isend(&cvscore, 1, MPI::DOUBLE,
> > master, tag);
> >
> > }//end slaves
> >
> > if (id == master) {
> >
> > for (slave = 1; slave < bilang; slave++) {
> > recv[slave] = MPI::COMM_WORLD.Irecv(&cvscore, 1, MPI::CHAR, slave,
> > tag);
> >
> > }//end for
> >
> > //MPI::Request::Waitall(p, recv);
> >
> > //svm__test();
> > //score=testscore;
> > cout<<" cvs in fitness: "<<cvscore<<" "<<endl;
> >
> > score=cvscore;
> >
> > }//end master
> >
> > return score;
> > }
> >
> >
> >
> >
> >
> > _______________________________________________
> > This list is archived at http://www.lam-mpi.org/MailArchives/lam/
> >
>
>
>
> --
> (N)E
> _______________________________________________
> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
>
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