JNIEXPORT jint JNICALL Java_papi_Wrapper_eventSetAddEvents
(JNIEnv *env, jclass UNUSED_ARG(self), jlong eventsetid, jintArray eventsarr) {
DEBUG_PRINT("enter");
if (eventsarr == NULL) {
DEBUG_PRINT("events array is NULL!");
return PAPI_EINVAL;
}
int events_count = (*env)->GetArrayLength(env, eventsarr);
if (events_count == 0) {
return PAPI_OK;
}
int eventset = (int) eventsetid;
DEBUG_PRINT("eventset is %d", eventset);
jint *eventsj = (*env)->GetIntArrayElements(env, eventsarr, NULL);
int *events = (int *) eventsj;
int rc = PAPI_add_events(eventset, events, events_count);
(*env)->ReleaseIntArrayElements(env, eventsarr, eventsj, JNI_ABORT);
DEBUG_PRINT("returning %d (%s)", rc, PAPI_strerror(rc));
return rc;
}
void papi_init_eventset(pid_t pid, int *EventSet) {
int retval;
if ( (retval = PAPI_create_eventset(EventSet) ) != PAPI_OK) {
fprintf(stderr, "PAPI EventSet init error!\n%s\n", PAPI_strerror(retval));
}
if ( (retval = PAPI_add_events(*EventSet, global_config.native_events, global_config.nb_papi_events) ) != PAPI_OK) {
fprintf(stderr, "PAPI add events error!\n%s\n", PAPI_strerror(retval));
}
if ( (retval = PAPI_attach(*EventSet, pid) ) != PAPI_OK) {
fprintf(stderr, "PAPI attach error!\n%s\n", PAPI_strerror(retval));
}
}
MeasureTimePAPI::MeasureTimePAPI(unsigned long int (*threadHandle)()) : MeasureTime(), threadHandle(threadHandle)
{
_events = new int[NUM_PAPI_EVENTS];
#ifdef USE_PAPI
_events[0] = PAPI_TOT_CYC;
_events[1] = PAPI_L2_TCM;
_events[2] = PAPI_TOT_INS;
_eventSet = PAPI_NULL;
int initRetVal = PAPI_library_init(PAPI_VER_CURRENT);
if (initRetVal != PAPI_VER_CURRENT && initRetVal > 0)
{
std::cerr << "PAPI library init failed!" << std::endl;
exit(1);
}
if (PAPI_thread_init(threadHandle) != PAPI_OK)
{
std::cerr << "PAPI thread init failed!" << std::endl;
exit(1);
}
if (PAPI_create_eventset(&_eventSet) != PAPI_OK)
{
std::cerr << "PAPI create eventset failed!" << " Error: " << PAPI_create_eventset(&_eventSet) << std::endl;
exit(1);
}
if (PAPI_add_events(_eventSet, _events, NUM_PAPI_EVENTS) != PAPI_OK)
{
std::cerr << "PAPI add events failed!" << std::endl;
exit(1);
}
if (PAPI_start(_eventSet) != PAPI_OK)
{
std::cerr << "PAPI_start_counters - FAILED" << std::endl;
throw ModelicaSimulationError(UTILITY,"PAPI_start_counters - FAILED");
}
#else
_eventSet = 0;
throw ModelicaSimulationError(UTILITY,"Papi not supported!");
#endif
}
static void papiBegin() {
int rv;
// Init library
if (!isInit) {
rv = PAPI_library_init(PAPI_VER_CURRENT);
if (rv != PAPI_VER_CURRENT && rv < 0) {
std::cout << "PAPI library version mismatch!\n";
abort();
}
if (rv < 0) handle_error(rv);
isInit = true;
}
//setup counters
/* Create the Event Set */
if ((rv = PAPI_create_eventset(&papiEventSet)) != PAPI_OK)
handle_error(rv);
if ((rv = PAPI_add_events(papiEventSet, papiEvents, 2)) != PAPI_OK)
handle_error(rv);
/* Start counting events in the Event Set */
if ((rv = PAPI_start(papiEventSet)) != PAPI_OK)
handle_error(rv);
}
void test_papi_initialize(struct test_statistics_t *test_stat)
{
int test_counter_types[] = {
PAPI_FP_OPS,
PAPI_L1_DCM
};
test_stat->num_counters = sizeof(test_counter_types) / sizeof(int);
test_stat->counters = (long long *) malloc(sizeof(long long) * test_stat->num_counters);
test_stat->event_set = PAPI_NULL;
int retval;
if ((retval = PAPI_create_eventset((&test_stat->event_set))) != PAPI_OK )
test_fail(__FILE__, __LINE__, "PAPI_creat_eventset", retval);
if ((retval = PAPI_add_events(test_stat->event_set, test_counter_types, test_stat->num_counters)) != PAPI_OK)
test_fail(__FILE__, __LINE__, "PAPI_add_events", retval);
if ((retval = PAPI_start(test_stat->event_set)) != PAPI_OK)
test_fail(__FILE__, __LINE__, "PAPI_start", retval);
}
void *
thread( void *arg )
{
( void ) arg; /*unused */
int eventset = PAPI_NULL;
long long values[PAPI_MPX_DEF_DEG];
int ret = PAPI_register_thread( );
if ( ret != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_register_thread", ret );
ret = PAPI_create_eventset( &eventset );
if ( ret != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_create_eventset", ret );
printf( "Event set %d created\n", eventset );
/* In Component PAPI, EventSets must be assigned a component index
before you can fiddle with their internals.
0 is always the cpu component */
ret = PAPI_assign_eventset_component( eventset, 0 );
if ( ret != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_assign_eventset_component", ret );
}
ret = PAPI_set_multiplex( eventset );
if ( ret == PAPI_ENOSUPP) {
test_skip( __FILE__, __LINE__, "Multiplexing not supported", 1 );
}
else if ( ret != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_set_multiplex", ret );
}
ret = PAPI_add_events( eventset, events, numevents );
if ( ret < PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_add_events", ret );
}
ret = PAPI_start( eventset );
if ( ret != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_start", ret );
}
do_stuff( );
ret = PAPI_stop( eventset, values );
if ( ret != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_stop", ret );
}
ret = PAPI_cleanup_eventset( eventset );
if ( ret != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_cleanup_eventset", ret );
}
ret = PAPI_destroy_eventset( &eventset );
if ( ret != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_destroy_eventset", ret );
}
ret = PAPI_unregister_thread( );
if ( ret != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_unregister_thread", ret );
return ( NULL );
}
int
_hl_rate_calls( float *real_time, float *proc_time, int *events,
long long *values, long long *ins, float *rate, int mode )
{
long long rt, pt; // current elapsed real and process times in usec
int num_events = 2;
int retval = 0;
HighLevelInfo *state = NULL;
if ( ( retval = _internal_check_state( &state ) ) != PAPI_OK ) {
return ( retval );
}
if ( state->running != HL_STOP && state->running != mode ) {
return PAPI_EINVAL;
}
if ( state->running == HL_STOP ) {
switch (mode) {
case HL_FLOP:
case HL_FLIP:
num_events = 1;
break;
case HL_IPC:
break;
case HL_EPC:
if ( events[2] != 0 ) num_events = 3;
break;
default:
return PAPI_EINVAL;
}
if (( retval = PAPI_add_events( state->EventSet, events, num_events )) != PAPI_OK ) {
_internal_cleanup_hl_info( state );
PAPI_cleanup_eventset( state->EventSet );
return retval;
}
state->total_ins = 0;
state->initial_real_time = state->last_real_time = PAPI_get_real_usec( );
state->initial_proc_time = state->last_proc_time = PAPI_get_virt_usec( );
if ( ( retval = PAPI_start( state->EventSet ) ) != PAPI_OK ) {
return retval;
}
/* Initialize the interface */
state->running = mode;
*real_time = 0.0;
*proc_time = 0.0;
*rate = 0.0;
} else {
if ( ( retval = PAPI_stop( state->EventSet, values ) ) != PAPI_OK ) {
state->running = HL_STOP;
return retval;
}
/* Read elapsed real and process times */
rt = PAPI_get_real_usec();
pt = PAPI_get_virt_usec();
/* Convert to seconds with multiplication because it is much faster */
*real_time = ((float)( rt - state->initial_real_time )) * .000001;
*proc_time = ((float)( pt - state->initial_proc_time )) * .000001;
state->total_ins += values[0];
switch (mode) {
case HL_FLOP:
case HL_FLIP:
/* Calculate MFLOP and MFLIP rates */
if ( pt > 0 ) {
*rate = (float)values[0] / (pt - state->last_proc_time);
} else *rate = 0;
break;
case HL_IPC:
case HL_EPC:
/* Calculate IPC */
if (values[1]!=0) {
*rate = (float) ((float)values[0] / (float) ( values[1]));
}
break;
default:
return PAPI_EINVAL;
}
state->last_real_time = rt;
state->last_proc_time = pt;
if ( ( retval = PAPI_start( state->EventSet ) ) != PAPI_OK ) {
state->running = HL_STOP;
return retval;
}
}
*ins = state->total_ins;
return PAPI_OK;
}
int main (int argc, char **argv)
{
int i, retval;
int EventSet = PAPI_NULL;
char *event_name[NUM_EVENTS] = {
IFNAME ":rx:bytes",
IFNAME ":rx:packets",
IFNAME ":tx:bytes",
IFNAME ":tx:packets",
};
int event_code[NUM_EVENTS] = { 0, 0, 0, 0};
long long event_value[NUM_EVENTS];
int total_events=0;
/* Set TESTS_QUIET variable */
tests_quiet( argc, argv );
/* PAPI Initialization */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail(__FILE__, __LINE__,"PAPI_library_init failed\n",retval);
}
if (!TESTS_QUIET) {
printf("Net events by name\n");
}
/* Map names to codes */
for ( i=0; i<NUM_EVENTS; i++ ) {
retval = PAPI_event_name_to_code( event_name[i], &event_code[i]);
if ( retval != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_event_name_to_code", retval );
}
total_events++;
}
/* Create and populate the EventSet */
EventSet = PAPI_NULL;
retval = PAPI_create_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_create_eventset()", retval);
}
retval = PAPI_add_events( EventSet, event_code, NUM_EVENTS);
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_add_events()", retval);
}
retval = PAPI_start( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_start()", retval);
}
/* generate some traffic
* the operation should take more than one second in order
* to guarantee that the network counters are updated */
retval = system("ping -c 4 " PINGADDR " > /dev/null");
if (retval < 0) {
test_fail(__FILE__, __LINE__, "Unable to start ping", retval);
}
retval = PAPI_stop( EventSet, event_value );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_start()", retval);
}
if (!TESTS_QUIET) {
for ( i=0; i<NUM_EVENTS; i++ ) {
printf("%#x %-24s = %lld\n",
event_code[i], event_name[i], event_value[i]);
}
}
retval = PAPI_cleanup_eventset( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_cleanup_eventset()", retval);
}
retval = PAPI_destroy_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_destroy_eventset()", retval);
}
test_pass( __FILE__, NULL, 0 );
return 0;
}
int PAPI_get_info (char *event_name, int finish, int type)
{
int retval,i;
PAPI_Event Event_papi;
Event_papi.event_name = event_name;
Event_papi.finish = finish;
Event_papi.time = gettime();
long long values [PAPI_MAX_EVENT_NUM];
if (type == PAPI_PROCESS)
{
if ( (retval=PAPI_start(EventSet)) != PAPI_OK)
ERROR_RETURN(retval);
if ((retval=PAPI_stop(EventSet,values)) != PAPI_OK)
ERROR_RETURN(retval);
// printf_d ("%s\n", Event_papi.event_name);
for (i = 0; i < NUM_EVENT; i++)
{
Event_papi.papi_event = PAPI_EVENT[i];
Event_papi.data = values[i];
if ((PAPI_info_record (Event_papi)) == -1)
printf_d ("[PAPI]GET stream error!!\n");
}
return 0;
}
else if (type == PAPI_THREAD)
{
int EventSet1 = PAPI_NULL;
int *event_codes;
event_codes = (int *)calloc (sizeof (int *), NUM_EVENT);
for (i = 0; i < NUM_EVENT; ++i)
{
retval = PAPI_event_name_to_code (PAPI_EVENT[i], &event_codes[i]);
if( retval != PAPI_OK )
printf_d("[PAPI]PAPI_event_name_to_code failed, retval = %d\n", retval );
}
if ((retval = PAPI_register_thread ()) != PAPI_OK)
ERROR_RETURN (retval);
if ((retval=PAPI_create_eventset(&EventSet1)) != PAPI_OK)
ERROR_RETURN(retval);
if ((retval=PAPI_add_events(EventSet1, event_codes, NUM_EVENT)) != PAPI_OK)
ERROR_RETURN(retval);
if ((retval=PAPI_start(EventSet1)) != PAPI_OK)
ERROR_RETURN(retval);
if ((retval=PAPI_stop(EventSet1,values)) != PAPI_OK)
ERROR_RETURN(retval);
for (i = 0; i < NUM_EVENT; i++)
{
Event_papi.papi_event = PAPI_EVENT[i];
Event_papi.data = values[i];
PAPI_info_record (Event_papi);
}
if ((PAPI_unregister_thread()) != PAPI_OK)
ERROR_RETURN(retval);
return 0;
}
return 1;
}
int main(int argc, char **argv)
{
PAPI_event_info_t info;
int i, j, retval;
int iters = NUM_FLOPS;
double x = 1.1, y;
long long t1, t2;
long long values[MAXEVENTS], refvalues[MAXEVENTS];
int sleep_time = SLEEPTIME;
double valsqsum[MAXEVENTS];
double valsum[MAXEVENTS];
int nevents = MAXEVENTS;
int eventset = PAPI_NULL;
int events[MAXEVENTS];
events[0] = PAPI_FP_INS;
events[1] = PAPI_TOT_INS;
events[2] = PAPI_INT_INS;
events[3] = PAPI_TOT_CYC;
events[4] = PAPI_STL_CCY;
events[5] = PAPI_BR_INS;
events[6] = PAPI_SR_INS;
events[7] = PAPI_LD_INS;
events[8] = PAPI_TOT_IIS;
events[9] = PAPI_FAD_INS;
events[10] = PAPI_BR_TKN;
events[11] = PAPI_BR_MSP;
events[12] = PAPI_L1_ICA;
events[13] = PAPI_L1_DCA;
for (i = 0; i < MAXEVENTS; i++) {
values[i] = 0;
valsqsum[i] = 0;
valsum[i] = 0;
}
if (argc > 1) {
if (!strcmp(argv[1], "TESTS_QUIET"))
tests_quiet(argc, argv);
else {
sleep_time = atoi(argv[1]);
if (sleep_time <= 0)
sleep_time = SLEEPTIME;
}
}
if (!TESTS_QUIET) {
printf("\nAccuracy check of multiplexing routines.\n");
printf("Comparing a multiplex measurement with separate measurements.\n\n");
}
if ((retval = PAPI_library_init(PAPI_VER_CURRENT)) != PAPI_VER_CURRENT)
test_fail(__FILE__, __LINE__, "PAPI_library_init", retval);
decide_which_events(events, &nevents);
init_multiplex();
/* Find a reasonable number of iterations (each
* event active 20 times) during the measurement
*/
t2 = 10000 * 20 * nevents; /* Target: 10000 usec/multiplex, 20 repeats */
if (t2 > 30e6)
test_skip(__FILE__, __LINE__, "This test takes too much time", retval);
y = dummy3(x, iters);
/* Measure one run */
t1 = PAPI_get_real_usec();
y = dummy3(x, iters);
t1 = PAPI_get_real_usec() - t1;
if (t1 < 1000000) /* Scale up execution time to match t2 */
{
iters = iters * (1000000/t1);
printf("Modified iteration count to %d\n\n",iters);
}
/* Now loop through the items one at a time */
ref_measurements(iters, &eventset, events, nevents, refvalues);
/* Now check multiplexed */
if ((retval = PAPI_create_eventset(&eventset)))
test_fail(__FILE__, __LINE__, "PAPI_create_eventset", retval);
/* In Component PAPI, EventSets must be assigned a component index
before you can fiddle with their internals.
0 is always the cpu component */
retval = PAPI_assign_eventset_component(eventset, 0);
if (retval != PAPI_OK)
test_fail(__FILE__, __LINE__, "PAPI_assign_eventset_component", retval);
if ((retval = PAPI_set_multiplex(eventset)))
test_fail(__FILE__, __LINE__, "PAPI_set_multiplex", retval);
if ((retval = PAPI_add_events(eventset, events, nevents)))
test_fail(__FILE__, __LINE__, "PAPI_add_events", retval);
printf("\nPAPI multiplexed measurements:\n");
x = 1.0;
t1 = PAPI_get_real_usec();
if ((retval = PAPI_start(eventset)))
test_fail(__FILE__, __LINE__, "PAPI_start", retval);
y = dummy3(x, iters);
if ((retval = PAPI_stop(eventset, values)))
test_fail(__FILE__, __LINE__, "PAPI_stop", retval);
t2 = PAPI_get_real_usec();
for (j = 0; j < nevents; j++) {
PAPI_get_event_info(events[j], &info);
if (!TESTS_QUIET) {
printf("%20s = ", info.short_descr);
printf(LLDFMT, values[j]);
printf("\n");
}
}
check_values(eventset, events, nevents, values, refvalues);
if ((retval = PAPI_remove_events(eventset, events, nevents)))
test_fail(__FILE__, __LINE__, "PAPI_remove_events", retval);
if ((retval = PAPI_cleanup_eventset(eventset)))
test_fail(__FILE__, __LINE__, "PAPI_cleanup_eventset", retval);
if ((retval = PAPI_destroy_eventset(&eventset)))
test_fail(__FILE__, __LINE__, "PAPI_destroy_eventset", retval);
eventset = PAPI_NULL;
/* Now loop through the items one at a time */
ref_measurements(iters, &eventset, events, nevents, refvalues);
check_values(eventset, events, nevents, values, refvalues);
test_pass(__FILE__, NULL, 0);
return 0;
}
int main(int nargs, char** args)
{
real T=5.0, h=0.005, h_alpha;
int j, k, N,i;
real *a, *b, *y, c_j;
real sum_a, sum_b, yp_jp1;
clock_t start, finish;
if (nargs>1)
h = atof(args[1]);
if (nargs>1)
T = atof(args[2]);
N = (int)(T/h+0.5);
printf("Serial LoopFusion version---------------\n");
printf("T=%g, h=%g, N=%d\n", T,h,N);
a = (real*)malloc((N+1)*sizeof(real));
b = (real*)malloc((N+1)*sizeof(real));
y = (real*)malloc((N+1)*sizeof(real));
h_alpha = pow(h,alpha);
start = clock();
for (j=N; j>=0; j--) {
b[j] = (pow(j+1,alpha)-pow(j,alpha))/gamma1;
a[j] = (pow(j+2,alpha+1)-2.*pow(j+1,alpha+1)+pow(j,alpha+1))/gamma2;
}
y[0] = y0;
int Events[] = {PAPI_L1_TCA,PAPI_L2_TCA,};
int NUM_EVENTS = sizeof(Events)/sizeof(Events[0]);
long long res_papi[NUM_EVENTS];
char EventName[128];
int num_hwcntrs = 0;
int EventSet = PAPI_NULL;
int retval;
retval = PAPI_library_init( PAPI_VER_CURRENT );
retval = PAPI_create_eventset( &EventSet );
if (PAPI_add_events( EventSet, Events, NUM_EVENTS) != PAPI_OK){
printf("PAPI_add_events failed\n");
}
for (i=0; i<NUM_EVENTS; i++){
res_papi[i] = 0;
}
if ( PAPI_start( EventSet ) != PAPI_OK){
printf("PAPI_read_counters failed\n");
}
for (j=0; j<N; j++) {
sum_b = b[j]*f(y[0]);
c_j = (pow(j,alpha+1)-(j-alpha)*pow(j+1,alpha))/gamma2;
sum_a = c_j*f(y[0]);
for (k=1; k<=j; k++) {
sum_b += b[j-k]*f(y[k]);
sum_a += a[j-k]*f(y[k]);
}
yp_jp1 = prefix + h_alpha*sum_b;
y[j+1] = prefix + h_alpha*(sum_a + f(yp_jp1)/gamma2);
}
if ( PAPI_stop( EventSet, res_papi ) != PAPI_OK){
printf("PAPI_accum_counters failed\n");
}
for (i = 0; i<NUM_EVENTS; i++){
PAPI_event_code_to_name(Events[i], EventName);
printf("PAPI Event name: %s, value: %lld\n", EventName, res_papi[i]);
}
finish=clock();
printf("y[%d]=%e",N,y[N]);
printf(" timeusage=%g",(finish-start)/1e6);
printf(" GFLOPs=%g\n",2.0*N*(N+1)/(finish-start)/1000.0);
free(a);
free(b);
free(y);
PAPI_shutdown ();
return 0;
}
int main (int argc, char **argv)
{
int retval,cid,numcmp;
int EventSet = PAPI_NULL;
long long value;
int code;
char event_names[MAX_EVENTS][PAPI_MAX_STR_LEN];
int event_codes[MAX_EVENTS];
long long event_values[MAX_EVENTS];
int total_events=0; /* events added so far */
int r;
const PAPI_component_info_t *cmpinfo = NULL;
/* Set TESTS_QUIET variable */
tests_quiet( argc, argv );
/* PAPI Initialization */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail(__FILE__, __LINE__,"PAPI_library_init failed\n",retval);
}
if (!TESTS_QUIET) {
printf("Trying all appio events\n");
}
numcmp = PAPI_num_components();
for(cid=0; cid<numcmp; cid++) {
if ( (cmpinfo = PAPI_get_component_info(cid)) == NULL) {
test_fail(__FILE__, __LINE__,"PAPI_get_component_info failed\n",-1);
}
if (!TESTS_QUIET) {
printf("Component %d - %d events - %s\n", cid,
cmpinfo->num_native_events, cmpinfo->name);
}
if ( strstr(cmpinfo->name, "appio") == NULL) {
continue;
}
code = PAPI_NATIVE_MASK;
r = PAPI_enum_cmp_event( &code, PAPI_ENUM_FIRST, cid );
/* Create and populate the EventSet */
EventSet = PAPI_NULL;
retval = PAPI_create_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_create_eventset()", retval);
}
while ( r == PAPI_OK ) {
retval = PAPI_event_code_to_name( code, event_names[total_events] );
if ( retval != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_event_code_to_name", retval );
}
if (!TESTS_QUIET) {
printf("Added event %s (code=%#x)\n", event_names[total_events], code);
}
event_codes[total_events++] = code;
r = PAPI_enum_cmp_event( &code, PAPI_ENUM_EVENTS, cid );
}
}
int fdin,fdout;
const char* infile = "/etc/group";
printf("This program will read %s and write it to /dev/null\n", infile);
int bytes = 0;
char buf[1024];
retval = PAPI_add_events( EventSet, event_codes, total_events);
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_add_events()", retval);
}
retval = PAPI_start( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_start()", retval);
}
fdin=open(infile, O_RDONLY);
if (fdin < 0) perror("Could not open file for reading: \n");
fdout = open("/dev/null", O_WRONLY);
if (fdout < 0) perror("Could not open /dev/null for writing: \n");
while ((bytes = read(fdin, buf, 1024)) > 0) {
write(fdout, buf, bytes);
}
retval = PAPI_stop( EventSet, event_values );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_stop()", retval);
}
close(fdin);
close(fdout);
int i;
if (!TESTS_QUIET) {
for ( i=0; i<total_events; i++ ) {
printf("%#x %-24s = %lld\n",
event_codes[i], event_names[i], event_values[i]);
}
}
retval = PAPI_cleanup_eventset( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_cleanup_eventset()", retval);
}
retval = PAPI_destroy_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_destroy_eventset()", retval);
}
if (total_events==0) {
test_skip(__FILE__,__LINE__,"No appio events found", 0);
}
test_pass( __FILE__, NULL, 0 );
retval = PAPI_cleanup_eventset( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_cleanup_eventset()", retval);
}
retval = PAPI_destroy_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_destroy_eventset()", retval);
}
return 0;
}
void *watch_process(void* _pid) {
pid_t pid = *((pid_t*)_pid);
printf("%d\n", pid);
int retval, EventSet = PAPI_NULL;
//char events_name[NB_EVENTS][PAPI_MAX_STR_LEN] = {"UNHALTED_CORE_CYCLES", "INSTRUCTION_RETIRED", "MEM_LOAD_RETIRED:L1D_HIT", "MEM_LOAD_RETIRED:L2_HIT", "LLC_REFERENCES"};
//char events_name[NB_EVENTS][PAPI_MAX_STR_LEN] = {"UNHALTED_CORE_CYCLES", "INSTRUCTION_RETIRED", "MEM_LOAD_RETIRED:L2_HIT", "L2_RQSTS:LOADS", "L2_DATA_RQSTS:ANY"};
//char events_name[NB_EVENTS][PAPI_MAX_STR_LEN] = {"UNHALTED_CORE_CYCLES", "INSTRUCTION_RETIRED", "L1I:READS", "L1D_CACHE_LD:MESI", "L1D_CACHE_ST:MESI"};
//char events_name[NB_EVENTS][PAPI_MAX_STR_LEN] = {"UNHALTED_CORE_CYCLES", "INSTRUCTION_RETIRED", "L1D_CACHE_LD:MESI", "L1D_CACHE_ST:MESI", "L2_DATA_RQSTS:ANY" };
char events_name[NB_EVENTS][PAPI_MAX_STR_LEN] = {"UNHALTED_CORE_CYCLES", "INSTRUCTION_RETIRED", "L1I:READS", "L1D_CACHE_LD:MESI", "L1D_CACHE_ST:MESI", "MEM_LOAD_RETIRED:L2_HIT", "L2_RQSTS:LOADS", "L2_DATA_RQSTS:ANY", "BR_INST_RETIRED:ALL_BRANCHES", "BR_INST_EXEC:ANY", "BR_MISP_EXEC:ANY" };
unsigned int native_events[NB_EVENTS];
long long values[NB_EVENTS];
int err;
/* Initialize the library */
if ( (err = PAPI_library_init(PAPI_VER_CURRENT)) != PAPI_VER_CURRENT) {
fprintf(stderr, "PAPI library init error! %d\n", err);
exit(1);
}
if ( (err = PAPI_multiplex_init()) != PAPI_OK) {
fprintf(stderr, "PAPI multiplex init error! %d\n", err);
exit(1);
}
if (PAPI_thread_init(pthread_self) != PAPI_OK) {
fprintf(stderr, "PAPI thread init error! %d\n", err);
exit(1);
}
//sched_setaffinity(0, 0);
//if ((retval = PAPI_set_granularity(PAPI_GRN_MAX)) != PAPI_OK) {
// fprintf(stderr, "PAPI set granurality error! %d, %d, %d, %d, %d\n", retval, PAPI_EINVAL, PAPI_ENOEVST, PAPI_ENOCMP, PAPI_EISRUN);
// exit(1);
//}
// Traduction des string en code
name_to_code(events_name, NB_EVENTS, native_events);
// Vérification des évènements
check_events(native_events, NB_EVENTS);
if (PAPI_create_eventset(&EventSet) != PAPI_OK) {
fprintf(stderr, "PAPI EventSet init error!\n");
exit(1);
}
if ( (err = PAPI_assign_eventset_component( EventSet, 0 ) ) != PAPI_OK ) {
fprintf(stderr, "PAPI assign component error!\n%s\n", PAPI_strerror(err));
exit(1);
}
if ( ( err = PAPI_set_multiplex(EventSet) ) != PAPI_OK) {
fprintf(stderr, "PAPI set multiplex error!\n%s\n", PAPI_strerror(err));
exit(1);
}
if ( (retval = PAPI_add_events(EventSet, native_events, NB_EVENTS) ) != PAPI_OK) {
fprintf(stderr, "PAPI add events error!\n%s\n", PAPI_strerror(retval) );
exit(1);
}
if (PAPI_attach(EventSet, pid) != PAPI_OK)
exit(1);
while(while_watch) {
/* Start counting */
if (PAPI_start(EventSet) != PAPI_OK) {
fprintf(stderr, "PAPI start error!\n");
exit(1);
}
usleep(1000000);
if (PAPI_stop(EventSet, values) != PAPI_OK) {
fprintf(stderr, "PAPI stop error!\n");
exit(1);
}
print_values(events_name, values, NB_EVENTS);
}
return 0;
}
int main(int argc, char **argv)
{
#if defined(PARALLEL) || defined(PARTIALPAR)
omp_set_num_threads(initParams::nprocs);
size_t threadID;
std::vector<size_t> neighbourThreadId;
std::vector<size_t> workingThreadId;
std::vector<cv::KeyPoint> globalKeypoints;
cv::Mat globalDescriptors;
std::vector<size_t> globalIdx(initParams::nprocs/2, 0);
std::vector<size_t> levelThreadIdx;
#endif
cv::Mat frame;
cv::VideoCapture cap;
class initParams params;
// Set motion field norm threshold. If intra-frame motion greater than this threshold carry out outlier classification, rotation compensation, FOE and TTC computations
#if !defined(PARALLEL)
const float OFThresh = 10.0f;
#endif
#ifdef USE_PAPI
int events[NUM_EVENTS] = {
PAPI_L1_DCM,
PAPI_L2_DCA,
PAPI_L2_DCM
};
long long values[NUM_EVENTS+1];
long long start_time = PAPI_get_real_usec();
double total_time = 0.0f;
#endif
// Initialization of parameters
params.set();
if (argc < 3)
{
std::cerr << "Run Configuration :\n\t./[program name] [input video file] [Total # of frames in video file, 798 for data set-1 and 977 for data set-2]\n";
exit(EXIT_FAILURE);
}
cap.open(argv[1]);
if(!cap.isOpened()){
std::cerr << "Could not access video file: " << argv[1] << std::endl;
exit(EXIT_FAILURE);
}
size_t frameTotal = (size_t) std::atoi(argv[2]);
class agast objExtractor;
class FindRobustFeatures rFeatures(&objExtractor, ¶ms);
cv::Mat tmpDescriptors;
std::vector<cv::KeyPoint> tmpKeypoints;
#ifdef WRITEDATA
analysis::TTCvector.resize((size_t)cap.get(CV_CAP_PROP_FRAME_COUNT), 0.0f);
analysis::kpVector.resize((size_t)cap.get(CV_CAP_PROP_FRAME_COUNT), 0);
analysis::outliersVector.resize((size_t)cap.get(CV_CAP_PROP_FRAME_COUNT), 0);
analysis::matchOutliersVector.resize((size_t)cap.get(CV_CAP_PROP_FRAME_COUNT), 0);
analysis::OFNorm.resize((size_t)cap.get(CV_CAP_PROP_FRAME_COUNT), 0);
analysis::keypointsVector.resize((size_t)cap.get(CV_CAP_PROP_FRAME_COUNT), 0);
#endif
#if defined(PROF) || defined(WRITEDATA)
time_t rawtime;
char buffer[80];
time(&rawtime);
struct tm * timeinfo = localtime(&rawtime);
strftime(buffer,80, "%d-%m-%y_%H-%M-%S", timeinfo);
analysis::timeStamp = std::string(buffer);
#endif
#ifdef PROF
analysis::perfTime.resize((size_t)cap.get(CV_CAP_PROP_FRAME_COUNT), std::vector<float>(3, 0.0f));
#endif
#ifdef USE_PAPI
//********** PAPI Module initialization for performance analysis***********//
// Setup PAPI library
int ret = PAPI_library_init(PAPI_VER_CURRENT);
if (ret != PAPI_VER_CURRENT) {
printf("Problem while initializing PAPI library: %s\n", PAPI_strerror(ret));
exit(EXIT_FAILURE);
}
// Init multiplexer
ret = PAPI_multiplex_init();
if (ret != PAPI_OK) {
printf("Problem while initializing PAPI multiplexer: %s\n", PAPI_strerror(ret));
exit(1);
}
// Create event set for the events that we want to measure
int eventset = PAPI_NULL;
ret = PAPI_create_eventset(&eventset);
if (ret != PAPI_OK) {
printf("Problem while creating PAPI event set: %s\n", PAPI_strerror(ret));
exit(1);
}
ret = PAPI_add_event(eventset, PAPI_L1_DCA);
if (ret != PAPI_OK) {
printf("Problem while adding first PAPI event: %s\n", PAPI_strerror(ret));
exit(1);
}
// set multiplexer for event set
ret = PAPI_set_multiplex(eventset);
if (ret != PAPI_OK) {
printf("Problem while setting PAPI multiplex: %s\n", PAPI_strerror(ret));
exit(1);
}
// Add events to event set
ret = PAPI_add_events(eventset, events, NUM_EVENTS);
if (ret != PAPI_OK) {
printf("Problem while adding PAPI events: %s\n", PAPI_strerror(ret));
exit(1);
}
//********** END INITIALIZATION **********//
// Start measuring computation runtime
start_time = PAPI_get_real_usec();
// Start measuring events in event set
ret = PAPI_start(eventset);
if (ret != PAPI_OK) {
printf("Problem while starting PAPI eventset: %s\n", PAPI_strerror(ret));
exit(1);
}
#endif
try
{
while(( (size_t)cap.get(CV_CAP_PROP_POS_FRAMES) + initParams::frameDelay ) < frameTotal)
{
/****************************PARALLEL-REGION************************************/
#if defined(PARALLEL) || defined(PARTIALPAR)
globalIdx.resize(initParams::nprocs/2, 0);
analysis::refFrameCount = cap.get(CV_CAP_PROP_POS_FRAMES);
analysis::frameCount = cap.get(CV_CAP_PROP_POS_FRAMES);
for (size_t i = 0; i < initParams::nprocs; ++i)
{
if (i % 2 == 0) { workingThreadId.push_back(i); }
else { neighbourThreadId.push_back(i); }
}
#pragma omp parallel num_threads(initParams::nprocs) private(threadID, frame) shared(globalIdx, params, neighbourThreadId, workingThreadId, objExtractor)
{
threadID = omp_get_thread_num();
// get index of the frame to be handled by a particular thread executed only once:
size_t myFrameID = 0;
#pragma omp for ordered schedule(static,1)
for (size_t i = 0; i < initParams::nprocs; ++i)
{
#pragma omp ordered
myFrameID = threadID + analysis::frameCount;
analysis::frameCount++;
}
class agast objExtractorLoc;
while(cap.get(CV_CAP_PROP_POS_FRAMES) != myFrameID) { std::this_thread::sleep_for(std::chrono::milliseconds(5)); }
// get first frame and extract new features:
cap >> objExtractorLoc.frame;
objExtractorLoc.extractFeatures();
if (threadID == initParams::nprocs-1) { objExtractorLoc.frame.copyTo(objExtractor.frame); }
#pragma omp master
{
// keep ref. of the first keypoints and their descriptors:
objExtractor.descriptorsOld = objExtractorLoc.descriptors.clone();
objExtractor.keypointsOld = objExtractorLoc.keypoints;
#ifdef VISUALIZE
objExtractorLoc.frame.copyTo(objExtractor.frameOld);
#endif
}
// follow keypoints over the next framedelay # of frames:
objExtractorLoc.swap();
cap >> objExtractorLoc.frame;
objExtractorLoc.extractFeatures();
objExtractorLoc.featureMatching();
#if ! defined(WRITEDATA)
objExtractorLoc.homographyRANSAC(3.0f);
#else
objExtractorLoc.homographyRANSAC(3.0f, analysis::outliers, analysis::frameCount, analysis::outliersVector);
#endif
if((size_t)objExtractorLoc.goodMatches.size() > 5)
objExtractorLoc.swapGM();
if (!globalIdx.empty())
{
helperFunc::storeGlobal(globalKeypoints, globalDescriptors, objExtractorLoc, threadID, globalIdx, neighbourThreadId);
#pragma omp barrier
helperFunc::recomputeInterThreadGoodMatches(globalKeypoints, globalDescriptors, objExtractorLoc, workingThreadId, globalIdx, threadID, neighbourThreadId);
}
#pragma omp master
{
// re-swaping into global extractors' new points, due to swaping carried out at the end of inter thread matching:
objExtractor.keypoints = objExtractorLoc.keypointsOld;
objExtractor.descriptors = objExtractorLoc.descriptorsOld.clone();
objExtractor.featureMatching();
rFeatures.homographyRANSAC(3.0f, true);
#ifdef VISUALIZE
analysis::frameCount = cap.get(CV_CAP_PROP_POS_FRAMES) - 1;
#endif
}
}
//Compute velocity projection vectors:
rFeatures.compute();
objExtractor.goodMatches.clear();
#ifdef VISUALIZE
//Analyze and verify data if necessary:
if((char)cv::waitKey(cap.get(CV_CAP_PROP_FPS))==27) break;
cv::waitKey(10);
#endif
/****************************SERIAL-REGION**************************************/
#else
//Get first frame and extract new features:
analysis::refFrameCount = cap.get(CV_CAP_PROP_POS_FRAMES);
#if defined(VISUALIZE) || defined(WRITEIMAGE)
cv::Mat refFrame;
#endif
cap >> objExtractor.frame;
#if defined(VISUALIZE) || defined(WRITEIMAGE)
objExtractor.frame.copyTo(refFrame);
#endif
objExtractor.extractFeatures();
#ifdef PROF
analysis::perfTime[analysis::frameCount][2] = objExtractor.elapsedTime.count();
#endif
// Keep ref. of the first keypoints and their descriptors:
objExtractor.descriptors.copyTo(tmpDescriptors);
tmpKeypoints = objExtractor.keypoints;
// Specify initial features as old features:
objExtractor.swap();
// Follow keypoints over the next frames:
while((size_t)cap.get(CV_CAP_PROP_POS_FRAMES) < frameTotal )
{
analysis::frameCount = cap.get(CV_CAP_PROP_POS_FRAMES);
analysis::outliers = 0;
cap >> objExtractor.frame;
objExtractor.extractFeatures();
#ifdef PROF
analysis::perfTime[analysis::frameCount][2] = objExtractor.elapsedTime.count();
analysis::start = std::chrono::high_resolution_clock::now();
#endif
// FLANN based matching of keypoints:
objExtractor.featureMatching();
#ifdef PROF
analysis::stop = std::chrono::high_resolution_clock::now();
analysis::elapsedTime = analysis::stop - analysis::start;
analysis::perfTime[analysis::frameCount][0] = analysis::elapsedTime.count();
#endif
#ifdef VISUALIZE
analysis::visMatchingPts(objExtractor);
cv::waitKey(5);
#endif
#ifdef WRITEDATA
analysis::keypointsVector[analysis::frameCount] = std::min((size_t)objExtractor.keypoints.size(), (size_t)objExtractor.keypointsOld.size());
analysis::matchOutliersVector[analysis::frameCount] = analysis::keypointsVector[analysis::frameCount] - (size_t)objExtractor.goodMatches.size();
#endif
#ifdef PROF
analysis::start = std::chrono::high_resolution_clock::now();
#endif
// RANSAC based outlier classification:
rFeatures.homographyRANSAC(1.2f, true);
#ifdef PROF
analysis::stop = std::chrono::high_resolution_clock::now();
analysis::elapsedTime = analysis::stop - analysis::start;
analysis::perfTime[analysis::frameCount][1] = analysis::elapsedTime.count();
#endif
#ifdef VISUALIZE
analysis::visMatchingPts(objExtractor);
cv::waitKey(5);
#endif
float OF = 0.0f;
// Calculation of motion field norm makes sense only if matching points are greater than 3
if ((size_t)objExtractor.goodMatches.size() > 3)
{
// Calculate intra-frame motion flow norm
OF = helperFunc::calcMeanOFNorm(objExtractor.keypoints, objExtractor.keypointsOld, objExtractor.goodMatches);
}
#ifdef WRITEDATA
analysis::OFNorm[analysis::frameCount] = helperFunc::calcMeanOFNorm(objExtractor.keypoints, objExtractor.keypointsOld, objExtractor.goodMatches);
#endif
// Different cases of computation:
if ((size_t)objExtractor.goodMatches.size() < 5 || OF >= OFThresh)
{
// Case 1: Matching(refFrame(n) , refFrame(n+1)) lead to no good matches
if (analysis::refFrameCount == (analysis::frameCount - 1) )
{
// If large motion field norm was the case then compute ttc:
if (OF >= OFThresh)
{
//Compute velocity projection vectors and ttc:
rFeatures.compute();
}
// Define latest frame as refFrame
analysis::refFrameCount = analysis::frameCount;
objExtractor.descriptors.copyTo(tmpDescriptors);
tmpKeypoints = objExtractor.keypoints;
#if defined(VISUALIZE) || defined(WRITEIMAGE)
refFrame = objExtractor.frame.clone();
#endif
// Move latest frame data to old
objExtractor.swap();
}
// Case 2: Matching(refFrame(n+i) , refFrame(n+i+1)) lead to no good matches
else
{
// In case of motion flow greater than threshold compute ttc for the given intra-frame motion otherwise move consistent features and compute motion flow
if (OF >= OFThresh)
{
// Compute velocity projection vectors:
rFeatures.compute();
// Define latest frame as refFrame
analysis::refFrameCount = analysis::frameCount;
objExtractor.descriptors.copyTo(tmpDescriptors);
tmpKeypoints = objExtractor.keypoints;
#if defined(VISUALIZE) || defined(WRITEIMAGE)
refFrame = objExtractor.frame.clone();
#endif
// Move latest frame data to old
objExtractor.swap();
}
else
{
// Move consistent good matching features to new
objExtractor.keypoints.swap(objExtractor.keypointsOld);
objExtractor.keypointsOld.swap(tmpKeypoints);
cv::Mat placeHolder(objExtractor.descriptors.size(), objExtractor.descriptors.type());
#ifdef OPTIMIZED
objExtractor.descriptors.copyTo(placeHolder);
#else
placeHolder = objExtractor.descriptors.clone();
#endif
objExtractor.descriptors.resize(0);
objExtractor.descriptorsOld.copyTo(objExtractor.descriptors);
tmpDescriptors.copyTo(objExtractor.descriptorsOld );
tmpDescriptors.resize(0);
#ifdef OPTIMIZED
placeHolder.copyTo(tmpDescriptors);
#else
tmpDescriptors = placeHolder.clone();
#endif
placeHolder.release();
#if defined(VISUALIZE) || defined(WRITEIMAGE)
cv::Mat tmpFrame;
tmpFrame = objExtractor.frame.clone();
objExtractor.frame = objExtractor.frameOld.clone();
objExtractor.frameOld = refFrame.clone();
refFrame = tmpFrame.clone();
tmpFrame.release();
#endif
// Match refFrame features with consistent good matching features uptil refFrame(n+i)
objExtractor.featureMatching();
#ifdef VISUALIZE
analysis::visMatchingPts(objExtractor, "Using Consistent Features");
cv::waitKey(10);
#endif
// Calculate Motion Flow norm
OF = helperFunc::calcMeanOFNorm(objExtractor.keypoints, objExtractor.keypointsOld, objExtractor.goodMatches);
if( OF > OFThresh )
{
// Compute motion flow and ttc:
rFeatures.compute();
}
objExtractor.goodMatches.clear();
objExtractor.keypointsOld = tmpKeypoints;
tmpDescriptors.copyTo(objExtractor.descriptorsOld);
// Define latest frame as refFrame
analysis::refFrameCount = analysis::frameCount;
}
}
}
else { objExtractor.swapGM(); }
#ifdef VISUALIZE
if((char)cv::waitKey(cap.get(CV_CAP_PROP_FPS))==27) break;
cv::waitKey(10);
#endif
}
#endif
}
}
catch(cv::Exception) { std::cerr << "Exception @ frame : " << cap.get(CV_CAP_PROP_POS_FRAMES) << "\n"; }
#ifdef USE_PAPI
// Collect data from the event set
if ( PAPI_stop(eventset, values) != PAPI_OK ) {
printf("Problem while reading PAPI event set!\n");
exit(EXIT_FAILURE);
}
// Print results
total_time = ((double)(PAPI_get_real_usec() - start_time))/1000000;
printf("Computation execution time: %lf seconds\n", total_time);
printf("L1 Cache miss rate = %lf \n",((double)values[1])/(values[0]));
printf("L2 Cache miss rate = %lf \n",((double)values[3])/(values[2]));
#endif
/*************************WRITE DATA TO FILE BLOCK********************************/
/*<---------------------------- REGQUIRES SETTING OF PERSONAL PATH TO SAVING GENERATED DATA -------------------------->*/
#ifdef WRITEDATA
std::ofstream file;
std::string fileName;
fileName = "/home/ragesam/gitThesis/testCase/poseFeatures/build/ttc_" + analysis::timeStamp + ".dat";
std::cout << "\nWRITING TTC DATA TO FILE \n";
file.open(fileName);
if(!file.is_open())
{
std::cout << "\nCan not write TTC to file\n";
std::exit(EXIT_FAILURE);
}
else
{
for (size_t i = 0; i < (size_t)analysis::TTCvector.size(); ++i)
{
file << i << "\t" << analysis::TTCvector[i] << "\t" << analysis::kpVector[i] <<"\n";
}
}
file.close();
fileName = "/home/ragesam/gitThesis/testCase/poseFeatures/build/outliers_" + analysis::timeStamp + ".dat";
std::cout << "\nWRITING OUTLIER DATA TO FILE \n";
file.open(fileName);
if(!file.is_open())
{
std::cout << "\nCan not write outliers to file\n";
std::exit(EXIT_FAILURE);
}
else
{
file << "Frame #\t# of Keypoints\tFLANN based outliers\tRANSAC based outliers\tIntra-fram projection vector norm\n";
for (size_t i = 0; i < (size_t)analysis::outliersVector.size(); ++i)
{
file << i << "\t" << analysis::keypointsVector[i] << "\t" << analysis::matchOutliersVector[i] << "\t" << analysis::outliersVector[i] << "\t" << analysis::OFNorm[i] <<"\n";
}
}
file.close();
#endif
#ifdef PROF
std::ofstream fileProf;
std::string fileNameProf;
fileNameProf = "/home/ragesam/gitThesis/testCase/poseFeatures/build/profile_" + analysis::timeStamp + ".dat";
std::cout << "\nWRITING PROFILING DATA TO FILE \n";
fileProf.open(fileNameProf);
if(!fileProf.is_open())
{
std::cout << "\nCan not write profiling data to file\n";
std::exit(EXIT_FAILURE);
}
else
{
fileProf << "Frame #\telapsedTime Matching\telapsedTime RANSAC\telapsedTimeDetection\n";
for (size_t i = 0; i < (size_t)analysis::perfTime.size(); ++i)
{
fileProf << i << "\t" << analysis::perfTime[i][0] << "\t" << analysis::perfTime[i][1] << "\t" << analysis::perfTime[i][2] << "\n";
}
}
fileProf.close();
#endif
cap.release();
return 0;
}
int main( int argc, char *argv[] ) {
if ( argc < 4 ) {
printf( "Usage: %s format_file input_file output_file\n", argv[0] );
return EXIT_FAILURE;
}
// For checking the library initialisation
int retval;
// EventSet for L2 & L3 cache misses and accesses
int EventSet = PAPI_NULL;
int EventSet1 = PAPI_NULL;
// Data pointer for getting the cpu info
const PAPI_hw_info_t * hwinfo = NULL;
PAPI_mh_info_t mem_hrch;
// Initialising the library
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
printf( "Initialisation of Papi failed \n" );
exit( 1 );
}
if ( ( hwinfo = PAPI_get_hardware_info() ) == NULL ) {
printf( "Unable to access hw info \n" );
return 1;
}
/* Accessing the cpus per node, threads per core, memory, frequency */
printf( "No. of cpus in one node : %d \n", hwinfo->ncpu );
printf( "Threads per core : %d \n", hwinfo->threads );
printf( "No. of cores per socket : %d \n", hwinfo->cores );
printf( "No. of sockets : %d \n", hwinfo->sockets );
printf( "Total CPUS in the entire system : %d \n", hwinfo->totalcpus );
/* Variables for reading counters of EventSet*/
long long eventValues[NUMEVENTS] = { 0 };
// long long eventFpValue[ NUM_FPEVENTS ] = {0};
char *format = argv[1];
char *file_in = argv[2];
char *file_out = argv[3];
char delim[] = ".";
char *cp = (char *) malloc( sizeof(char) * 10 );
cp = strcpy( cp, file_in );
char *token = malloc( sizeof(char) * 10 );
token = strtok( cp, delim );
char * res_file = malloc( sizeof(char) * 30 );
res_file = strcpy( res_file, file_out );
res_file = strcat( res_file, token );
free( cp );
// free( token );
char *csv_file = malloc( sizeof(char) * 30 );
csv_file = strcpy( csv_file, res_file );
FILE *csv_fp = fopen( strcat( csv_file, OPTI ), "w" );
FILE *res_fp = fopen( strcat( res_file, "_psdats.dat" ), "w" );
int status = 0;
free( res_file );
free( csv_file );
/** internal cells start and end index*/
int nintci, nintcf;
/** external cells start and end index. The external cells are only ghost cells.
* They are accessed only through internal cells*/
int nextci, nextcf;
/** link cell-to-cell array. Stores topology information*/
int **lcc;
/** red-black colouring of the cells*/
int *nboard;
/** boundary coefficients for each volume cell */
double *bs, *be, *bn, *bw, *bl, *bh, *bp, *su;
// Parameters for measuring the time
long long startusec, endusec;
/*the total number of points (after conversion to unstructured mesh topology)*/
int nodeCnt;
/* the array containing the coordinate of the points
* (after conversion to unstructured mesh topology) */
int **points;
/* the array containing the mesh elements (after conversion to unstructured mesh topology) */
int **elems;
// Creating the eventSets
if ( PAPI_create_eventset( &EventSet ) != PAPI_OK ) {
printf( "Problem in create eventset \n" );
exit( 1 );
}
// Create the Flops eventSet
/*if ( PAPI_create_eventset( &EventSet1 ) != PAPI_OK ) {
printf( "Problem in creating the flops eventset \n" );
exit(1);
}*/
int EventCode[NUMEVENTS] = { PAPI_L2_TCM, PAPI_L2_TCA, PAPI_L3_TCM, PAPI_L3_TCA };
// int EventFpCode[ NUM_FPEVENTS ] = { PAPI_FP_OPS };
// Adding events to the eventset
if ( PAPI_add_events( EventSet, EventCode, NUMEVENTS ) != PAPI_OK ) {
printf( "Problem in adding events \n" );
exit( 1 );
}
/*if( PAPI_add_events( EventSet1, EventFpCode, 1 ) != PAPI_OK ){
printf( "Problem in adding the flops event \n" );
exit( 1 );
}*/
printf( "Success in adding events \n" );
// Start the eventset counters
PAPI_start( EventSet );
// PAPI_start( EventSet1 );
startusec = PAPI_get_real_usec();
/* initialization */
// read-in the input file
int f_status;
if ( !strcmp( format, "bin" ) ) {
f_status = read_bin_formatted( file_in, &nintci, &nintcf, &nextci, &nextcf, &lcc, &bs, &be,
&bn, &bw, &bl, &bh, &bp, &su, &nboard );
} else if ( !strcmp( format, "txt" ) ) {
f_status = read_formatted( file_in, &nintci, &nintcf, &nextci, &nextcf, &lcc, &bs, &be, &bn,
&bw, &bl, &bh, &bp, &su, &nboard );
}
if ( f_status != 0 ) {
printf( "failed to initialize data! \n" );
return EXIT_FAILURE;
}
// allocate arrays used in gccg
int nomax = 3;
/** the reference residual*/
double resref = 0.0;
/** the ratio between the reference and the current residual*/
double ratio;
/** array storing residuals */
double* resvec = (double *) calloc( sizeof(double), ( nintcf + 1 ) );
/** the variation vector -> keeps the result in the end */
double* var = (double *) calloc( sizeof(double), ( nextcf + 1 ) );
/** the computation vectors */
double* direc1 = (double *) calloc( sizeof(double), ( nextcf + 1 ) );
double* direc2 = (double *) calloc( sizeof(double), ( nextcf + 1 ) );
/** additional vectors */
double* cgup = (double *) calloc( sizeof(double), ( nextcf + 1 ) );
double* oc = (double *) calloc( sizeof(double), ( nintcf + 1 ) );
double* cnorm = (double *) calloc( sizeof(double), ( nintcf + 1 ) );
double* adxor1 = (double *) calloc( sizeof(double), ( nintcf + 1 ) );
double* adxor2 = (double *) calloc( sizeof(double), ( nintcf + 1 ) );
double* dxor1 = (double *) calloc( sizeof(double), ( nintcf + 1 ) );
double* dxor2 = (double *) calloc( sizeof(double), ( nintcf + 1 ) );
// initialize the reference residual
for ( int nc = nintci; nc <= nintcf; nc++ ) {
resvec[nc] = su[nc];
resref = resref + resvec[nc] * resvec[nc];
}
resref = sqrt( resref );
if ( resref < 1.0e-15 ) {
printf( "i/o - error: residue sum less than 1.e-15 - %lf\n", resref );
return EXIT_FAILURE;
}
// initialize the arrays
for ( int nc = 0; nc <= 10; nc++ ) {
oc[nc] = 0.0;
cnorm[nc] = 1.0;
}
for ( int nc = nintci; nc <= nintcf; nc++ ) {
cgup[nc] = 0.0;
var[nc] = 0.0;
}
for ( int nc = nextci; nc <= nextcf; nc++ ) {
var[nc] = 0.0;
cgup[nc] = 0.0;
direc1[nc] = 0.0;
bs[nc] = 0.0;
be[nc] = 0.0;
bn[nc] = 0.0;
bw[nc] = 0.0;
bl[nc] = 0.0;
bh[nc] = 0.0;
}
for ( int nc = nintci; nc <= nintcf; nc++ )
cgup[nc] = 1.0 / bp[nc];
int if1 = 0;
int if2 = 0;
int iter = 1;
int nor = 1;
int nor1 = nor - 1;
/* finished initalization */
endusec = PAPI_get_real_usec();
// Read the eventSet counters
PAPI_read( EventSet, eventValues );
// PAPI_read( EventSet1, eventFpValue );
fprintf( res_fp, "Execution time in microseconds for the initialisation: %lld \n",
endusec - startusec );
fprintf( res_fp, "Initialisation.... \n" );
fprintf( res_fp, "INPUT \t PAPI_L2_TCM \t %lld \n", eventValues[0] );
fprintf( res_fp, "INPUT \t PAPI_L2_TCA \t %lld \n", eventValues[1] );
fprintf( res_fp, "INPUT \t PAPI_L3_TCM \t %lld \n", eventValues[2] );
fprintf( res_fp, "INPUT \t PAPI_L3_TCA \t %lld \n", eventValues[3] );
// fprintf( res_fp, "INPUT \t PAPI_FP_OPS \t %lld \n", eventFpValue[0] );
// Cache miss rate calculations
float L2_cache_miss_rate, L3_cache_miss_rate;
L2_cache_miss_rate = ( (float) eventValues[0] / eventValues[1] ) * 100;
L3_cache_miss_rate = ( (float) eventValues[2] / eventValues[3] ) * 100;
fprintf( res_fp, "INPUT \t L2MissRate \t %f% \n", L2_cache_miss_rate );
fprintf( res_fp, "INPUT \t L3MissRate \t %f% \n", L3_cache_miss_rate );
fprintf( csv_fp, "Results for the INPUT phase \n" );
fprintf( csv_fp, "%s, %lld, %lld, %lld, %lld, %f, %f \n", OPTI, eventValues[0], eventValues[1],
eventValues[2], eventValues[3], L2_cache_miss_rate, L3_cache_miss_rate );
// Resetting the event counters
PAPI_reset( EventSet );
// PAPI_reset( EventSet1 );
fprintf( res_fp, "Starting with the computation part \n" );
startusec = PAPI_get_real_usec();
/* start computation loop */
while ( iter < 10000 ) {
/* start phase 1 */
// update the old values of direc
for ( int nc = nintci; nc <= nintcf; nc++ ) {
direc1[nc] = direc1[nc] + resvec[nc] * cgup[nc];
}
// compute new guess (approximation) for direc
for ( int nc = nintci; nc <= nintcf; nc++ ) {
direc2[nc] = bp[nc] * direc1[nc] - bs[nc] * direc1[lcc[0][nc]]
- bw[nc] * direc1[lcc[3][nc]] - bl[nc] * direc1[lcc[4][nc]]
- bn[nc] * direc1[lcc[2][nc]] - be[nc] * direc1[lcc[1][nc]]
- bh[nc] * direc1[lcc[5][nc]];
} /* end phase 1 */
/* start phase 2 */
// execute normalization steps
double oc1, oc2, occ;
if ( nor1 == 1 ) {
oc1 = 0;
occ = 0;
for ( int nc = nintci; nc <= nintcf; nc++ ) {
occ = occ + adxor1[nc] * direc2[nc];
}
oc1 = occ / cnorm[1];
for ( int nc = nintci; nc <= nintcf; nc++ ) {
direc2[nc] = direc2[nc] - oc1 * adxor1[nc];
direc1[nc] = direc1[nc] - oc1 * dxor1[nc];
}
if1++;
} else if ( nor1 == 2 ) {
oc1 = 0;
occ = 0;
for ( int nc = nintci; nc <= nintcf; nc++ )
occ = occ + adxor1[nc] * direc2[nc];
oc1 = occ / cnorm[1];
oc2 = 0;
occ = 0;
for ( int nc = nintci; nc <= nintcf; nc++ )
occ = occ + adxor2[nc] * direc2[nc];
oc2 = occ / cnorm[2];
for ( int nc = nintci; nc <= nintcf; nc++ ) {
direc2[nc] = direc2[nc] - oc1 * adxor1[nc] - oc2 * adxor2[nc];
direc1[nc] = direc1[nc] - oc1 * dxor1[nc] - oc2 * dxor2[nc];
}
if2++;
}
cnorm[nor] = 0;
double omega = 0;
// compute the new residual
for ( int nc = nintci; nc <= nintcf; nc++ ) {
cnorm[nor] = cnorm[nor] + direc2[nc] * direc2[nc];
omega = omega + resvec[nc] * direc2[nc];
}
omega = omega / cnorm[nor];
double resnew = 0.0;
for ( int nc = nintci; nc <= nintcf; nc++ ) {
var[nc] = var[nc] + omega * direc1[nc];
resvec[nc] = resvec[nc] - omega * direc2[nc];
resnew = resnew + resvec[nc] * resvec[nc];
}
resnew = sqrt( resnew );
ratio = resnew / resref;
// exit on no improvements of residual
if ( ratio <= 1.0e-10 )
break;
iter++;
// prepare additional arrays for the next iteration step
if ( nor == nomax )
nor = 1;
else {
if ( nor == 1 ) {
for ( int nc = nintci; nc <= nintcf; nc++ ) {
dxor1[nc] = direc1[nc];
adxor1[nc] = direc2[nc];
}
} else if ( nor == 2 ) {
for ( int nc = nintci; nc <= nintcf; nc++ ) {
dxor2[nc] = direc1[nc];
adxor2[nc] = direc2[nc];
}
}
nor++;
}
nor1 = nor - 1;
}/* end phase 2 */
/* finished computation loop */
endusec = PAPI_get_real_usec();
// Read the eventSet counters
PAPI_read( EventSet, eventValues );
// PAPI_read( EventSet1, eventFpValue );
fprintf( res_fp, "Execution time in microseconds for the computation : %lld \n",
endusec - startusec );
fprintf( res_fp, "CALC \t PAPI_L2_TCM \t %lld \n", eventValues[0] );
fprintf( res_fp, "CALC \t PAPI_L2_TCA \t %lld \n", eventValues[1] );
fprintf( res_fp, "CALC \t PAPI_L3_TCM \t %lld \n", eventValues[2] );
fprintf( res_fp, "CALC \t PAPI_L3_TCA \t %lld \n", eventValues[3] );
// fprintf( res_fp, "CALC \t PAPI_FP_OPS \t %lld \n", eventFpValue[0] );
L2_cache_miss_rate = ( (float) eventValues[0] / eventValues[1] ) * 100;
L3_cache_miss_rate = ( (float) eventValues[2] / eventValues[3] ) * 100;
fprintf( res_fp, "CALC \t L2MissRate \t %f%\n", L2_cache_miss_rate );
fprintf( res_fp, "CALC \t L3MissRate \t %f%\n", L3_cache_miss_rate );
fprintf( csv_fp, "Results for the CALC phase \n" );
fprintf( csv_fp, "%s, %lld, %lld, %lld, %lld, %f, %f \n", OPTI, eventValues[0], eventValues[1],
eventValues[2], eventValues[3], L2_cache_miss_rate, L3_cache_miss_rate );
// Resetting the event counters
PAPI_reset( EventSet );
// PAPI_reset( EventSet1 );
char *vtk_file = malloc( sizeof(char) * 30 );
fprintf( res_fp, "Starting with the output vtk part \n" );
startusec = PAPI_get_real_usec();
/* write output file */
vol2mesh( nintci, nintcf, lcc, &nodeCnt, &points, &elems );
if( write_result( file_in, file_out, nintci, nintcf, var, iter, ratio ) != 0 ) {
printf( "error when trying to write to file %s\n", file_out );
}
if( write_result_vtk( strcat( strcpy( vtk_file, file_out ), "SU.vtk" ), nintci, nintcf, nodeCnt,
points, elems, su ) != 0 ) {
printf( "error when trying to write to vtk file %s\n", "SU.vtk" );
}
if( write_result_vtk( strcat( strcpy( vtk_file, file_out ), "CGUP.vtk" ), nintci, nintcf,
nodeCnt, points, elems, cgup ) != 0 ) {
printf( "error when trying to write to vtk file %s\n", "CGUP.vtk" );
}
if( write_result_vtk( strcat( strcpy( vtk_file, file_out ), "VAR.vtk" ), nintci, nintcf,
nodeCnt, points, elems, var ) != 0 ) {
printf( "error when trying to write to vtk file %s\n", "VAR.vtk" );
}
free( vtk_file );
/* finished computation loop */
endusec = PAPI_get_real_usec();
// Read the eventSet counters
PAPI_stop( EventSet, eventValues );
// PAPI_stop( EventSet1, eventFpValue );
fprintf( res_fp, "Execution time in microseconds for the output vtk part : %lld \n",
endusec - startusec );
fprintf( res_fp, "OUTPUT \t PAPI_L2_TCM \t %lld \n", eventValues[0] );
fprintf( res_fp, "OUTPUT \t PAPI_L2_TCA \t %lld \n", eventValues[1] );
fprintf( res_fp, "OUTPUT \t PAPI_L3_TCM \t %lld \n", eventValues[2] );
fprintf( res_fp, "OUTPUT \t PAPI_L3_TCA \t %lld \n", eventValues[3] );
// fprintf( res_fp, "CALC \t PAPI_FP_OPS \t %lld \n", eventFpValue[0] );
L2_cache_miss_rate = ( (float) eventValues[0] / eventValues[1] ) * 100;
L3_cache_miss_rate = ( (float) eventValues[2] / eventValues[3] ) * 100;
fprintf( res_fp, "OUTPUT \t L2MissRate \t %f%\n", L2_cache_miss_rate );
fprintf( res_fp, "OUTPUT \t L3MissRate \t %f%\n", L3_cache_miss_rate );
fprintf( csv_fp, "Results for the OUTPUT phase \n" );
fprintf( csv_fp, "%s, %lld, %lld, %lld, %lld, %f, %f \n", OPTI, eventValues[0], eventValues[1],
eventValues[2], eventValues[3], L2_cache_miss_rate, L3_cache_miss_rate );
/* Free all the dynamically allocated memory */
free( direc2 );
free( direc1 );
free( dxor2 );
free( dxor1 );
free( adxor2 );
free( adxor1 );
free( cnorm );
free( oc );
free( var );
free( cgup );
free( resvec );
free( su );
free( bp );
free( bh );
free( bl );
free( bw );
free( bn );
free( be );
free( bs );
printf( "Simulation completed successfully!\n" );
fclose( res_fp );
fclose( csv_fp );
return EXIT_SUCCESS;
}
int main (int argc, char **argv)
{
int i, retval;
int EventSet = PAPI_NULL;
char *event_name[NUM_EVENTS] = {
"READ_BYTES",
"READ_CALLS",
"READ_USEC",
"READ_EOF",
"READ_SHORT",
"READ_ERR",
"WRITE_BYTES",
"WRITE_CALLS",
"WRITE_USEC",
"WRITE_ERR",
"WRITE_SHORT"
};
int event_code[NUM_EVENTS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0};
long long event_value[NUM_EVENTS];
int total_events=0;
/* Set TESTS_QUIET variable */
tests_quiet( argc, argv );
/* PAPI Initialization */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail(__FILE__, __LINE__,"PAPI_library_init failed\n",retval);
}
if (!TESTS_QUIET) {
printf("Appio events by name\n");
}
/* Map names to codes */
for ( i=0; i<NUM_EVENTS; i++ ) {
retval = PAPI_event_name_to_code( event_name[i], &event_code[i]);
if ( retval != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_event_name_to_code", retval );
}
total_events++;
}
int fdin,fdout;
const char* infile = "/etc/group";
if (!TESTS_QUIET) fprintf(stderr, "This program will read %s and write it to /dev/null\n", infile);
fdin=open(infile, O_RDONLY);
if (fdin < 0) perror("Could not open file for reading: \n");
fdout=open("/dev/null", O_WRONLY);
if (fdout < 0) perror("Could not open /dev/null for writing: \n");
int bytes = 0;
char buf[1024];
/* Create and populate the EventSet */
EventSet = PAPI_NULL;
retval = PAPI_create_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_create_eventset()", retval);
}
retval = PAPI_add_events( EventSet, event_code, NUM_EVENTS);
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_add_events()", retval);
}
retval = PAPI_start( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_start()", retval);
}
while ((bytes = read(fdin, buf, 1024)) > 0) {
write(fdout, buf, bytes);
}
close(fdin);
close(fdout);
retval = PAPI_stop( EventSet, event_value );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_start()", retval);
}
if (!TESTS_QUIET) {
for ( i=0; i<NUM_EVENTS; i++ ) {
printf("0x%x %-24s = %lld\n",
event_code[i], event_name[i], event_value[i]);
}
}
retval = PAPI_cleanup_eventset( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_cleanup_eventset()", retval);
}
retval = PAPI_destroy_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_destroy_eventset()", retval);
}
if (total_events==0) {
test_skip(__FILE__,__LINE__,"No appio events found", 0);
}
test_pass( __FILE__, NULL, 0 );
return 0;
}