gaddress.c

mpi并行计算的c++代码 可用vc或gcc编译通过 可以用来搭建并行计算试验环境

/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
 *
 *  (C) 2003 by Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */
#include "mpi.h"
#include <stdio.h>
#include "mpitest.h"

static char MTEST_Descrip[] = "";

int main( int argc, char *argv[] )
{
    int errs = 0;
    int buf[10];
    MPI_Aint a1, a2;

    MTest_Init( &argc, &argv );
    
    MPI_Get_address( &buf[0], &a1 );
    MPI_Get_address( &buf[1], &a2 );
    
    if ((int)(a2-a1) != sizeof(int)) {
	errs++;
	printf( "Get address of two address did not return values the correct distance apart\n" );
    }

    MTest_Finalize( errs );
    MPI_Finalize();
    return 0;
}