void func_worker_1(void* arg) {
mp_init();
spd_t * sport2 = mp_create_sport(CHAN_ID_TWO,SINK,SAMPLE_SIZE*sizeof(short));
spd_t * sport1 = mp_create_sport(CHAN_ID_ONE,SOURCE,SAMPLE_SIZE*sizeof(short));
if (sport1 == NULL || sport2 == NULL) {
//exit(1);
}
volatile short _SPM * sample = mp_alloc(SAMPLE_SIZE*sizeof(short));
for (int i = 0; i < SAMPLE_SIZE; ++i) {
sample[i] = i;
}
mp_init_ports();
while(done == 0);
for (int i = 0; i < ITERATIONS; ++i) {
int ret = mp_read(sport2,sample);
for (int i = 0; i < SAMPLE_SIZE; ++i) {
if(sample[i] != i) {
break;
}
}
for (int i = 0; i < 100000; ++i)
{
asm volatile (""::);
}
}
//for (int i = 0; i < ITERATIONS/2; ++i) {
for (int i = 0; i < ITERATIONS*20; ++i) {
mp_write(sport1,sample);
for (int i = 0; i < SAMPLE_SIZE; ++i) {
sample[i] = i;
}
//for (int i = 0; i < 100000; ++i) {
// asm volatile (""::);
//}
mp_write(sport1,sample);
for (int i = 0; i < SAMPLE_SIZE; ++i) {
sample[SAMPLE_SIZE-1-i] = i;
}
//for (int i = 0; i < 100000; ++i) {
// asm volatile (""::);
//}
}
int ret = 0;
corethread_exit(&ret);
return;
}
int main() {
puts("Master");
corethread_t worker_1 = 1; // For now the core ID
int worker_1_param = 1;
corethread_create(&worker_1,&func_worker_1,(void*)&worker_1_param);
// Create the queuing ports
spd_t * chan = mp_create_sport(MP_CHAN_1_ID, SINK, MP_CHAN_1_MSG_SIZE);
volatile unsigned long long _SPM * time_sample = mp_alloc(MP_CHAN_1_MSG_SIZE);
if (chan == NULL || time_sample == NULL) {
DEBUGF(chan);
abort();
}
// Initialize the communication channels
int retval = mp_init_ports();
// TODO: check on retval
puts("Initialized ports");
while(slave != 1) {
;
}
puts("Slave is ready");
unsigned long long min_time_diff = -1;
unsigned long long max_time_diff = 0;
unsigned long long accum_time_diff = 0;
unsigned long long cnt_time_diff = 0;
unsigned long long percent = 0;
int done = 0;
unsigned long long start = get_cpu_usecs();
while(!done) {
int success = mp_read(chan,time_sample);
unsigned long long time_diff = get_cpu_usecs() - (*time_sample);
if (success == 0) {
printf("No sample received\n");
} else if ((*time_sample) == 0) {
printf("Received empty sample, newest: %u, sample size: %u\n",chan->newest,chan->sample_size);
} else {
if (time_diff > 2000 ) {
// Time difference is larger than a micro second
printf("Time sample: %llu\tdiff: %llu\n",*time_sample,time_diff);
}
cnt_time_diff++;
if (time_diff < min_time_diff) {
min_time_diff = time_diff;
}
if (time_diff > max_time_diff) {
max_time_diff = time_diff;
}
accum_time_diff += time_diff;
}
if (start + percent < get_cpu_usecs()) {
percent += RUNTIME/10;
printf("+");
fflush(stdout);
}
if ( start + RUNTIME < get_cpu_usecs()) {
done = 1;
}
}
printf("\n");
printf("Status:\n\tMin time diff: %llu\n\tMax time diff: %llu\n\tAvg time diff: %llu\n", min_time_diff,max_time_diff,accum_time_diff/cnt_time_diff);
int* res;
corethread_join(worker_1,&res);
return *res;
}
int main() {
corethread_t worker_1 = SLAVE_CORE; // For now the core ID
corethread_create(&worker_1,&func_worker_1,(void*)&worker_1);
puts("Corethread created");
unsigned short int local_phase = 0;
min_time = ULONG_MAX;
max_time = 0;
accum_time = 0;
cnt_time = 0;
unsigned long long int start = 0;
unsigned long long int stop = 0;
spd_t * sport1 = mp_create_sport(CHAN_ID_ONE,SINK,SAMPLE_SIZE*sizeof(short));
spd_t * sport2 = mp_create_sport(CHAN_ID_TWO,SOURCE,SAMPLE_SIZE*sizeof(short));
if (sport1 == NULL || sport2 == NULL) {
//exit(1);
}
volatile short _SPM * sample = mp_alloc(SAMPLE_SIZE*sizeof(short));
mp_init_ports();
done = 1;
int balance = 0;
for (int i = 0; i < SAMPLE_SIZE; ++i) {
sample[i] = i;
}
for (int i = 0; i < ITERATIONS/2; ++i) {
mp_write(sport2,sample);
for (int i = 0; i < SAMPLE_SIZE; ++i) {
sample[i] = i;
}
}
for (int i = 0; i < ITERATIONS/2; ++i) {
mp_write(sport2,sample);
for (int i = 0; i < SAMPLE_SIZE; ++i) {
sample[SAMPLE_SIZE-1-i] = i;
}
}
for (int i = 0; i < ITERATIONS; ++i) {
start = get_cpu_usecs();
int ret = mp_read(sport1,sample);
stop = get_cpu_usecs();
if (ret == 0)
{
puts("No value written yet.");
} else {
unsigned long long int exe_time = stop - start;
min_time = (exe_time < min_time) ? exe_time : min_time;
max_time = (exe_time > max_time) ? exe_time : max_time;
accum_time += exe_time;
cnt_time++;
if (sample[0] == 0) {
balance++;
for (int i = 0; i < SAMPLE_SIZE; ++i) {
if(sample[i] != i) {
printf("Error: sample[%i] = %i\n",i,sample[i]);
break;
}
}
} else if (sample[0] == SAMPLE_SIZE-1) {
balance--;
for (int i = 0; i < SAMPLE_SIZE; ++i) {
if(sample[SAMPLE_SIZE-1-i] != i) {
printf("Error: sample[%i] = %i\n",i,sample[i]);
break;
}
}
} else {
printf("Wrong sample values sample[0] = %i\n",sample[0]);
}
}
}
printf("Local phase: %d\n",local_phase);
inval_dcache();
int* res;
corethread_join(worker_1,&res);
printf("Balance: %i\n",balance);
printf("Min time: %llu\tMax time: %llu\tAccumulated time: %llu\nCount time: %llu\tAverage time: %llu\n", min_time,max_time,accum_time,cnt_time,accum_time/cnt_time);
puts("Corethread joined");
return *res;
}
