MPI_Init (ierr)

MPI_Finalize (ierr)

MPI_Comm_rank (communicator, my_rank, ierr)

MPI_Comm_size (communicator, nproc, ierr)

MPI_Send (buf, count, datatype, dest, tag, communicator, ierr)

MPI_Recv (buf, count, datatype, source, tag, communicator, status, ierr)

其他有用的 MPI 副程式

MPI_Bcast ( )

MPI_Reduce ( )

MPI_Get_processor_name(nodename,nchar,ierr)