Example
int main(int argc, char *argv[])
{
int me, count;
void *data;
...
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &me);
if(me == 0)
{
/* get input, create buffer ``data'' */
...
}
MPI_Bcast(data, count, MPI_BYTE, 0, MPI_COMM_WORLD);
...
MPI_Finalize();
return 0;
}
Example Current Practice #2 illustrates the use of a collective communication.