mpifirst.c File Reference

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Functions
int	main (int argc, char **argv)

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 30 of file mpifirst.c.

{
    int retval, num_tests = 5, num_events, tmp;
    long long **values;
    int EventSet = PAPI_NULL;
    int PAPI_event, mask;
    char event_name[PAPI_MAX_STR_LEN], add_event_str[PAPI_MAX_STR_LEN];
    int quiet;

    /* Set TESTS_QUIET variable */
    quiet=tests_quiet( argc, argv );


    MPI_Init( argc, argv );

    retval = PAPI_library_init( PAPI_VER_CURRENT );
    if ( retval != PAPI_VER_CURRENT )
        test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );

    /* query and set up the right instruction to monitor */
    if ( PAPI_query_event( PAPI_FP_INS ) == PAPI_OK ) {
        PAPI_event = PAPI_FP_INS;
        mask = MASK_FP_INS | MASK_TOT_CYC;
    } else {
        PAPI_event = PAPI_TOT_INS;
        mask = MASK_TOT_INS | MASK_TOT_CYC;
    }

    retval = PAPI_event_code_to_name( PAPI_event, event_name );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_event_code_to_name", retval );
    sprintf( add_event_str, "PAPI_add_event[%s]", event_name );

    EventSet = add_test_events( &num_events, &mask );

    values = allocate_test_space( num_tests, num_events );

    retval = PAPI_start( EventSet );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_start", retval );

    do_flops( NUM_FLOPS );

    retval = PAPI_read( EventSet, values[0] );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_read", retval );

    retval = PAPI_reset( EventSet );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_reset", retval );

    do_flops( NUM_FLOPS );

    retval = PAPI_read( EventSet, values[1] );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_read", retval );

    do_flops( NUM_FLOPS );

    retval = PAPI_read( EventSet, values[2] );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_read", retval );

    do_flops( NUM_FLOPS );

    retval = PAPI_stop( EventSet, values[3] );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_stop", retval );

    retval = PAPI_read( EventSet, values[4] );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_read", retval );

    remove_test_events( &EventSet, mask );

    if ( !quiet ) {
        printf( "Test case 1: Non-overlapping start, stop, read.\n" );
        printf( "-----------------------------------------------\n" );
        tmp = PAPI_get_opt( PAPI_DEFDOM, NULL );
        printf( "Default domain is: %d (%s)\n", tmp,
                stringify_all_domains( tmp ) );
        tmp = PAPI_get_opt( PAPI_DEFGRN, NULL );
        printf( "Default granularity is: %d (%s)\n", tmp,
                stringify_granularity( tmp ) );
        printf( "Using %d iterations of c += a*b\n", NUM_FLOPS );
        printf
            ( "-------------------------------------------------------------------------\n" );

        printf( "Test type   : \t1\t\t2\t\t3\t\t4\t\t5\n" );
        sprintf( add_event_str, "%s : ", event_name );
        printf( TAB5, add_event_str,
                ( values[0] )[0], ( values[1] )[0], ( values[2] )[0],
                ( values[3] )[0], ( values[4] )[0] );
        printf( TAB5, "PAPI_TOT_CYC: ", ( values[0] )[1], ( values[1] )[1],
                ( values[2] )[1], ( values[3] )[1], ( values[4] )[1] );
        printf
            ( "-------------------------------------------------------------------------\n" );

        printf( "Verification:\n" );
        printf( "Column 1 approximately equals column 2\n" );
        printf( "Column 3 approximately equals 2 * column 2\n" );
        printf( "Column 4 approximately equals 3 * column 2\n" );
        printf( "Column 4 exactly equals column 5\n" );
    }

    {
        long long min, max;
        min = ( long long ) ( values[1][0] * .9 );
        max = ( long long ) ( values[1][0] * 1.1 );

        if ( values[0][0] > max || values[0][0] < min ||
             values[2][0] > ( 2 * max )
             || values[2][0] < ( 2 * min ) || values[3][0] > ( 3 * max )
             || values[3][0] < ( 3 * min )
             || values[3][0] != values[4][0] ) {
            printf( "min: " );
            printf( LLDFMT, min );
            printf( "max: " );
            printf( LLDFMT, max );
            printf( "1st: " );
            printf( LLDFMT, values[0][0] );
            printf( "2nd: " );
            printf( LLDFMT, values[1][0] );
            printf( "3rd: " );
            printf( LLDFMT, values[2][0] );
            printf( "4th: " );
            printf( LLDFMT, values[3][0] );
            printf( "5th: " );
            printf( LLDFMT, values[4][0] );
            printf( "\n" );
            test_fail( __FILE__, __LINE__, event_name, 1 );
        }

        min = ( long long ) ( values[1][1] * .9 );
        max = ( long long ) ( values[1][1] * 1.1 );
        if ( values[0][1] > max || values[0][1] < min ||
             values[2][1] > ( 2 * max )
             || values[2][1] < ( 2 * min ) || values[3][1] > ( 3 * max )
             || values[3][1] < ( 3 * min )
             || values[3][1] != values[4][1] ) {
            test_fail( __FILE__, __LINE__, "PAPI_TOT_CYC", 1 );
        }
    }
    test_pass( __FILE__, values, num_tests );

    MPI_Finalize(  );
    exit( 1 );
}

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