MPI hello world 예제(C언어)

시스템 상태 체크 시 사용하는 MPI 코드 

#include <stdio.h> #include <mpi.h> void main(int argc, char *argv[]){     int rank,size,len;     char name[MPI_MAX_PROCESSOR_NAME];     MPI_Init(&argc, &argv);     MPI_Comm_rank(MPI_COMM_WORLD, &rank);     MPI_Comm_size(MPI_COMM_WORLD, &size);     MPI_Get_processor_name(name, &len);     printf("Hello, World! I am process %d of size %d on %s \n",rank, size, name );     MPI_Finalize(); }