int main(int argc, char **argv)
{
int i;
assert(argc == 2);
int num_threads = atoi(argv[1]);
assert(num_threads >= 1 && num_threads <= CUCKOO_MAX_THREADS);
red_printf("main: Initializing shared cuckoo hash table\n");
cuckoo_init(&keys, &ht_index);
/**< Thread structures */
pthread_t worker_threads[CUCKOO_MAX_THREADS];
for(i = 0; i < num_threads; i ++) {
int tid = i;
pthread_create(&worker_threads[i], NULL, cuckoo_thread, &tid);
/**< Ensure that threads don't use the same keys close in time */
sleep(1);
}
for(i = 0; i < num_threads; i ++) {
pthread_join(worker_threads[i], NULL);
}
/**< The work never ends */
assert(0);
return 0;
}
int main(int argc, char **argv)
{
int i;
/** < Variables for PAPI */
float real_time, proc_time, ipc;
long long ins;
int retval;
red_printf("main: Initializing cuckoo hash table\n");
cuckoo_init(&keys, &ht_index);
red_printf("main: Starting lookups\n");
/** < Init PAPI_TOT_INS and PAPI_TOT_CYC counters */
if((retval = PAPI_ipc(&real_time, &proc_time, &ins, &ipc)) < PAPI_OK) {
printf("PAPI error: retval: %d\n", retval);
exit(1);
}
for(i = 0; i < NUM_KEYS; i += BATCH_SIZE) {
process_batch(&keys[i]);
}
if((retval = PAPI_ipc(&real_time, &proc_time, &ins, &ipc)) < PAPI_OK) {
printf("PAPI error: retval: %d\n", retval);
exit(1);
}
red_printf("Time = %.4f s, rate = %.2f\n"
"Instructions = %lld, IPC = %f\n"
"sum = %d, succ_1 = %d, succ_2 = %d, fail = %d\n",
real_time, NUM_KEYS / real_time,
ins, ipc,
sum, succ_1, succ_2, fail);
return 0;
}
int main(int argc, char** argv)
{
int i;
int num_writers = 1;
int num_readers = 1;
struct timeval tvs, tve;
double tvsd, tved, tdiff;
char ch;
while ((ch = getopt(argc, argv, "r:w:h")) != -1) {
switch (ch) {
case 'w': num_writers = atoi(optarg); break;
case 'r': num_readers = atof(optarg); break;
case 'h': usage(argv[0]); exit(0); break;
default:
usage(argv[0]);
exit(-1);
}
}
task_init(total);
printf("initializing hash table\n");
table = cuckoo_init(power);
cuckoo_report(table);
pthread_t* readers = calloc(sizeof(pthread_t), num_readers);
pthread_t* writers = calloc(sizeof(pthread_t), num_writers);
thread_arg_t* reader_args = calloc(sizeof(thread_arg_t), num_readers);
thread_arg_t* writer_args = calloc(sizeof(thread_arg_t), num_writers);
// create threads as writers
for (i = 0; i < num_writers; i ++) {
writer_args[i].id = i;
if (pthread_create(&writers[i], NULL, insert_thread, &writer_args[i]) != 0) {
fprintf(stderr, "Can't create thread for writer%d\n", i);
exit(-1);
}
}
// create threads as readers
for (i = 0; i < num_readers; i ++) {
reader_args[i].id = i;
if (pthread_create(&readers[i], NULL, lookup_thread, &reader_args[i]) != 0) {
fprintf(stderr, "Can't create thread for reader%d\n", i);
exit(-1);
}
}
gettimeofday(&tvs, NULL);
tvsd = (double)tvs.tv_sec + (double)tvs.tv_usec/1000000;
size_t* last_num_read = calloc(sizeof(size_t), num_readers);
size_t* last_num_written = calloc(sizeof(size_t), num_writers);
memset(last_num_read, 0, num_readers);
memset(last_num_written, 0, num_writers);
while (keep_reading && keep_writing) {
sleep(1);
gettimeofday(&tve, NULL);
tvsd = (double)tvs.tv_sec + (double)tvs.tv_usec/1000000;
tved = (double)tve.tv_sec + (double)tve.tv_usec/1000000;
tdiff = tved - tvsd;
printf("[tput in MOPS] ");
for (i = 0; i < num_readers; i ++) {
printf("reader%d %4.2f ", i, (reader_args[i].num_read - last_num_read[i])/ tdiff/ million );
last_num_read[i] = reader_args[i].num_read;
}
for (i = 0; i < num_writers; i ++) {
printf("writer%d %4.2f ", i, (writer_args[i].num_written - last_num_written[i])/ tdiff/ million );
last_num_written[i] = writer_args[i].num_written;
}
printf("\n");
tvs = tve;
}
for (i = 0; i < num_readers; i ++) {
pthread_join(readers[i], NULL);
printf("[reader%d] %zu lookups, %zu failures\n", i, reader_args[i].ops, reader_args[i].failures);
if (reader_args[i].failures > 0)
passed = false;
}
for (i = 0; i < num_writers; i ++) {
pthread_join(writers[i], NULL);
printf("[writer%d] %zu inserts, %zu failures\n", i, writer_args[i].ops, writer_args[i].failures);
if (writer_args[i].failures > 0)
passed = false;
}
cuckoo_exit(table);
printf("[%s]\n", passed ? "PASSED" : "FAILED");
}
