MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if (rank==1) {
data=22;
MPI_Send(&data,1,MPI_INT,(rank+1)%2,666,MPI_COMM_WORLD);
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if (rank==1) {
data=22;
MPI_Send(&data,1,MPI_INT,(rank+1)%2,666,MPI_COMM_WORLD);
} else {
MPI_Recv(&data,1,MPI_INT,-1,666,MPI_COMM_WORLD,NULL);
if (data !=22) {
printf("rank %d: Damn, data does not match (got %d)\n",rank, data);
}
}
} else {
MPI_Recv(&data,1,MPI_INT,-1,666,MPI_COMM_WORLD,NULL);
if (data !=22) {
printf("rank %d: Damn, data does not match (got %d)\n",rank, data);
}
}