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package mpi.comm;
import mpi.*;
public class split2 {
static public void main(String[] args) throws Exception {
try {
split2 a = new split2(args);
}
catch (Exception e) {
}
}
public split2() {
}
public split2(String[] args) throws Exception {
MPI.Init(args);
int size = MPI.COMM_WORLD.Size();
int rank = MPI.COMM_WORLD.Rank();
if (size != 8) {
if (rank == 0)
System.out.println("comm->split2: MUST RUN WITH 8 processes");
MPI.COMM_WORLD.Barrier();
MPI.Finalize();
return;
}
int color = 2 * rank / size;
int key = size - rank - 1;
Intracomm newcomm = MPI.COMM_WORLD.Split(color, key);
int nrank = newcomm.Rank();
MPI.COMM_WORLD.Barrier();
if (rank == 0)
System.out.println("split2 TEST COMPLETE");
MPI.Finalize();
}
}
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