Q. ________________ returns in its second argument the number of processes inthe communicator. (Solved)
1. MPI_Init
2. MPI_Comm_size
3. MPI_Finalize
4. MPI_Comm_rank
- b. MPI_Comm_size
1. MPI_Init
2. MPI_Comm_size
3. MPI_Finalize
4. MPI_Comm_rank