、MPl程序分析及编程入门 更新的 Hello world(c) #include <stdio.h> include "mpi. h" main( int argc, char *argv [ int myid, numprocs i MPI Init( &argc, argv )i MPI Comm rank( MPI COMM WORLD, &myid)i MPI Comm size( MPI COMM WORLD, &numprocs printf( I am d of d\n", myid, numprocs )i MPI Finalized更新的Hello World (c) #include <stdio.h> #include "mpi.h" main( int argc, char *argv[] ) { int myid, numprocs; MPI_Init( &argc, &argv ); MPI_Comm_rank( MPI_COMM_WORLD, &myid ); MPI_Comm_size( MPI_COMM_WORLD, &numprocs ); printf(“I am %d of %d\n", myid, numprocs ); MPI_Finalize(); } 三、MPI程序分析及编程入门