PAPI  5.0.1.0
reset.c File Reference
Include dependency graph for reset.c:

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Functions

int main (int argc, char **argv)

Function Documentation

int main ( int  argc,
char **  argv 
)

Definition at line 61 of file reset.c.

{
    int retval, num_tests = 9, num_events, tmp, i;
    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];

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

    /* Init the PAPI library */
    retval = PAPI_library_init( PAPI_VER_CURRENT );
    if ( retval != PAPI_VER_CURRENT ) {
       test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );
    }

    /* add PAPI_TOT_CYC and one of the events in 
       PAPI_FP_INS, PAPI_FP_OPS or PAPI_TOT_INS, 
       depending on the availability of the event 
       on the platform */
    EventSet = add_two_events( &num_events, &PAPI_event, &mask );

    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 );

    values = allocate_test_space( num_tests, num_events );

    /*===== Test 1: Start/Stop =======================*/

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

    do_flops( NUM_FLOPS );

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

    /*===== Test 2 Start/Stop =======================*/

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

    do_flops( NUM_FLOPS );

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

    /*===== Test 3: Reset/Start/Stop =======================*/

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

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

    do_flops( NUM_FLOPS );

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

    /*===== Test 4: Start/Read =======================*/

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

    do_flops( NUM_FLOPS / 2 );

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

    /*===== Test 5: Read =======================*/

    do_flops( NUM_FLOPS / 2 );

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

    /*===== Test 6: Read/Accum =======================*/

    do_flops( NUM_FLOPS / 2 );

    retval = PAPI_read( EventSet, values[5] );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_read", retval );
    }

    retval = PAPI_accum( EventSet, values[5] );

    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_accum", retval );
    }

    /*===== Test 7: Read =======================*/

    do_flops( NUM_FLOPS / 2 );

    retval = PAPI_read( EventSet, values[6] );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_read", retval );
    }

    /*===== Test 8 Reset/Stop =======================*/
    retval = PAPI_reset( EventSet );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_reset", retval );
    }

    do_flops( NUM_FLOPS / 2 );

    retval = PAPI_stop( EventSet, values[7] );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
    }

    /*===== Test 9: Reset/Read =======================*/
    retval = PAPI_reset( EventSet );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_reset", retval );
    }

    retval = PAPI_read( EventSet, values[8] );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_read", retval );
    }

    remove_test_events( &EventSet, mask );

    printf( "Test case: Start/Stop/Read/Accum/Reset.\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" );

    sprintf( add_event_str, "%s:", event_name );
    printf( "                           PAPI_TOT_CYC    %s\n", event_name );
    printf( "1. start,ops,stop          %10lld      %10lld\n", values[0][0],
            values[0][1] );
    printf( "2. start,ops,stop          %10lld      %10lld\n", values[1][0],
            values[1][1] );
    printf( "3. reset,start,ops,stop    %10lld      %10lld\n", values[2][0],
            values[2][1] );
    printf( "4. start,ops/2,read        %10lld      %10lld\n", values[3][0],
            values[3][1] );
    printf( "5. ops/2,read              %10lld      %10lld\n", values[4][0],
            values[4][1] );
    printf( "6. ops/2,accum             %10lld      %10lld\n", values[5][0],
            values[5][1] );
    printf( "7. ops/2,read              %10lld      %10lld\n", values[6][0],
            values[6][1] );
    printf( "8. reset,ops/2,stop        %10lld      %10lld\n", values[7][0],
            values[7][1] );
    printf( "9. reset,read              %10lld      %10lld\n", values[8][0],
            values[8][1] );
    printf
        ( "-------------------------------------------------------------------------\n" );
    printf( "Verification:\n" );
    printf( "Row 1 approximately equals rows 2 and 3 \n" );
    printf( "Row 4 approximately equals 1/2 of row 3\n" );
    printf( "Row 5 approximately equals twice row 4\n" );
    printf( "Row 6 approximately equals 6 times row 4\n" );
    printf( "Rows 7 and 8 approximately equal row 4\n" );
    printf( "Row 9 equals 0\n" );
    printf( "%% difference between %s 1 & 2: %.2f\n", "PAPI_TOT_CYC",
        100.0 * ( float ) values[0][0] / ( float ) values[1][0] );
    printf( "%% difference between %s 1 & 2: %.2f\n", add_event_str,
        100.0 * ( float ) values[0][1] / ( float ) values[1][1] );


    for ( i = 0; i <= 1; i++ ) {
        if ( !approx_equals
             ( ( double ) values[0][i], ( double ) values[1][i] ) )
            test_fail( __FILE__, __LINE__,
                       ( ( i == 0 ) ? "PAPI_TOT_CYC" : add_event_str ), 1 );
        if ( !approx_equals
             ( ( double ) values[1][i], ( double ) values[2][i] ) )
            test_fail( __FILE__, __LINE__,
                       ( ( i == 0 ) ? "PAPI_TOT_CYC" : add_event_str ), 1 );
        if ( !approx_equals
             ( ( double ) values[2][i], ( double ) values[3][i] * 2.0 ) )
            test_fail( __FILE__, __LINE__,
                       ( ( i == 0 ) ? "PAPI_TOT_CYC" : add_event_str ), 1 );
        if ( !approx_equals
             ( ( double ) values[2][i], ( double ) values[4][i] ) )
            test_fail( __FILE__, __LINE__,
                       ( ( i == 0 ) ? "PAPI_TOT_CYC" : add_event_str ), 1 );
        if ( !approx_equals
             ( ( double ) values[5][i], ( double ) values[3][i] * 6.0 ) )
            test_fail( __FILE__, __LINE__,
                       ( ( i == 0 ) ? "PAPI_TOT_CYC" : add_event_str ), 1 );
        if ( !approx_equals
             ( ( double ) values[6][i], ( double ) values[3][i] ) )
            test_fail( __FILE__, __LINE__,
                       ( ( i == 0 ) ? "PAPI_TOT_CYC" : add_event_str ), 1 );
        if ( !approx_equals
             ( ( double ) values[7][i], ( double ) values[3][i] ) )
            test_fail( __FILE__, __LINE__,
                       ( ( i == 0 ) ? "PAPI_TOT_CYC" : add_event_str ), 1 );
        if ( values[8][i] != 0LL )
            test_fail( __FILE__, __LINE__,
                       ( ( i == 0 ) ? "PAPI_TOT_CYC" : add_event_str ), 1 );
    }

    test_pass( __FILE__, values, num_tests );
    return 0;
}

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