infotest.c

刚才是说明 现在是安装程序在 LINUX环境下进行编程的MPICH安装文件

/* Simple info test */

#include "mpi.h"
#include <stdio.h>

int main( int argc, char *argv[] )
{
    MPI_Info i1, i2;
    int errs = 0;
    char value[64];
    int flag;

    MPI_Init( 0, 0 );
    
    MPI_Info_create( &i1 );
    MPI_Info_create( &i2 );

    MPI_Info_set( i1, "key1", "value1" );
    MPI_Info_set( i2, "key2", "value2" );

    MPI_Info_get( i1, "key2", 64, value, &flag );
    if (flag) {
	printf( "Found key2 in info1\n" );
	errs ++;
    }
    MPI_Info_get( i1, "key1", 64, value, &flag );
    if (!flag) {
	errs++;
	printf( "Did not find key1 in info1\n" );
    }
    else if (strcmp( value, "value1" )) {
	errs++;
	printf( "Found wrong value (%s), expected value1\n", value );
    }

    MPI_Info_free( &i1 );
    MPI_Info_free( &i2 );
    if (errs) {
	printf( " Found %d errors\n", errs );
    }
    else {
	printf( " No errors\n" );
    }
    MPI_Finalize( );
    return 0;
}