PPT Slide
do {
if (rank == 0) {
scanf( "%d", &value );
MPI_Send( &value, 1, MPI_INT, rank + 1, 0, MPI_COMM_WORLD );
}
else {
MPI_Recv( &value, 1, MPI_INT, rank - 1, 0, MPI_COMM_WORLD,
&status );
if (rank < size - 1)
MPI_Send( &value, 1, MPI_INT, rank + 1, 0, MPI_COMM_WORLD );
}
printf( "Process %d got %d\n", rank, value );
} while (value >= 0);
MPI_Finalize( );
return 0;
}
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