exitst3.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) 2001 by Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */
#include "mpi.h"

/* 
 * This is a special test to check that mpiexec handles the death of
 * some processes without an Abort or clean exit
 */
int main( int argc, char *argv[] )
{
    int rank, size;
    MPI_Init( 0, 0 );
    MPI_Comm_rank( MPI_COMM_WORLD, &rank );
    MPI_Comm_size( MPI_COMM_WORLD, &size );
    MPI_Barrier( MPI_COMM_WORLD );
    if (rank == size-1) {
	/* Cause some processes to exit */
	int *p =0 ;
	*p = rank;
    }
    MPI_Finalize( );
    return 0;
}