Lib_With_Created_Counter.c File Reference

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Macros
#define	MY_EPSILON   0.0001
#define	BRNG()

Functions
void	cclib_init (void)
void	cclib_do_work (void)
void	cclib_do_more_work (void)
papi_handle_t	papi_sde_hook_list_events (papi_sde_fptr_struct_t *fptr_struct)

Variables
volatile int	result
volatile unsigned int	b
volatile unsigned int	z1
volatile unsigned int	z2
volatile unsigned int	z3
volatile unsigned int	z4
static const char *	event_names [1]
void *	cntr_handle

Macro Definition Documentation

BRNG

#define BRNG

(

)

Value:

    {\
    b  = ((z1 << 6) ^ z1) >> 13;\
    z1 = ((z1 & 4294967294U) << 18) ^ b;\
    b  = ((z2 << 2) ^ z2) >> 27;\
    z2 = ((z2 & 4294967288U) << 2) ^ b;\
    b  = ((z3 << 13) ^ z3) >> 21;\
    z3 = ((z3 & 4294967280U) << 7) ^ b;\
    b  = ((z4 << 3) ^ z4) >> 12;\
    z4 = ((z4 & 4294967168U) << 13) ^ b;\
    z1++;\
    result = z1 ^ z2 ^ z3 ^ z4;\
}

Definition at line 9 of file Lib_With_Created_Counter.c.

MY_EPSILON

#define MY_EPSILON   0.0001

Definition at line 7 of file Lib_With_Created_Counter.c.

Function Documentation

cclib_do_more_work()

void cclib_do_more_work

(

void

)

Definition at line 66 of file Lib_With_Created_Counter.c.

                             {
    int i;
 
    for(i=0; i<500*1000; i++){
        BRNG();
        double r = (1.0*result)/(1.0*INT_MAX);
        if( r < MY_EPSILON && r > -MY_EPSILON ){
            papi_sde_inc_counter(cntr_handle, 1);
        }
        // Do some usefull work here
        if( !(i%20) )
            (void)usleep(1);
    }
 
    return;
}

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cclib_do_work()

void cclib_do_work

(

void

)

Definition at line 49 of file Lib_With_Created_Counter.c.

                        {
    int i;
 
    for(i=0; i<100*1000; i++){
        BRNG();
        double r = (1.0*result)/(1.0*INT_MAX);
        if( r < MY_EPSILON && r > -MY_EPSILON ){
            papi_sde_inc_counter(cntr_handle, 1);
        }
        // Do some usefull work here
        if( !(i%100) )
            (void)usleep(1);
    }
 
    return;
}

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cclib_init()

void cclib_init

(

void

)

Definition at line 35 of file Lib_With_Created_Counter.c.

                     {
    papi_handle_t sde_handle;
 
    sde_handle = papi_sde_init("Lib_With_CC");
    papi_sde_create_counter(sde_handle, event_names[0], PAPI_SDE_DELTA, &cntr_handle);
 
    z1=42;
    z2=420;
    z3=42000;
    z4=424242;
 
    return;
}

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papi_sde_hook_list_events()

papi_handle_t papi_sde_hook_list_events

(

papi_sde_fptr_struct_t *

fptr_struct

)

Definition at line 86 of file Lib_With_Created_Counter.c.

                                                                             {
    papi_handle_t sde_handle;
    sde_handle = fptr_struct->init("Lib_With_CC");
    fptr_struct->create_counter(sde_handle, event_names[0], PAPI_SDE_DELTA, &cntr_handle);
    fptr_struct->describe_counter(sde_handle, event_names[0], "Number of times the random value was less than 0.0001");
    return sde_handle;
}

Variable Documentation

b

volatile unsigned int b

Definition at line 22 of file Lib_With_Created_Counter.c.

cntr_handle

void* cntr_handle

Definition at line 28 of file Lib_With_Created_Counter.c.

event_names

const char* event_names[1]

static

Initial value:

= {
    "epsilon_count"
}

Definition at line 24 of file Lib_With_Created_Counter.c.

result

volatile int result

Definition at line 21 of file Lib_With_Created_Counter.c.

z1

volatile unsigned int z1

Definition at line 22 of file Lib_With_Created_Counter.c.

z2

volatile unsigned int z2

Definition at line 22 of file Lib_With_Created_Counter.c.

z3

volatile unsigned int z3

Definition at line 22 of file Lib_With_Created_Counter.c.

z4

volatile unsigned int z4

Definition at line 22 of file Lib_With_Created_Counter.c.