10 #define NUM_ITERATIONS 10000000
12 static volatile int wait_;
13 static long num_threads_;
16 void *worker (void *arg) {
18 // Wait for all the worker threads to be ready.
22 for (int i = 0; i < NUM_ITERATIONS/num_threads_; ++i) {
23 unsigned r = nbd_rand();
24 uint64_t key = r & 0xF;
27 sprintf(key_str, "%llX", key);
29 map_set(map_, key_str, strlen(key_str) + 1, 1);
31 map_remove(map_, key_str, strlen(key_str) + 1);
35 map_set(map_, (void *)key, -1, 1);
37 map_remove(map_, (void *)key, -1);
47 int main (int argc, char **argv) {
49 //lwt_set_trace_level("l3");
51 char* program_name = argv[0];
52 pthread_t thread[MAX_NUM_THREADS];
55 fprintf(stderr, "Usage: %s num_threads\n", program_name);
63 num_threads_ = strtol(argv[1], NULL, 10);
65 fprintf(stderr, "%s: Invalid argument for number of threads\n", program_name);
68 if (num_threads_ <= 0) {
69 fprintf(stderr, "%s: Number of threads must be at least 1\n", program_name);
72 if (num_threads_ > MAX_NUM_THREADS) {
73 fprintf(stderr, "%s: Number of threads cannot be more than %d\n", program_name, MAX_NUM_THREADS);
78 map_type_t map_types[] = { MAP_TYPE_LIST, MAP_TYPE_SKIPLIST, MAP_TYPE_HASHTABLE };
79 for (int i = 0; i < sizeof(map_types)/sizeof(*map_types); ++i) {
80 map_ = map_alloc(map_types[i]);
82 struct timeval tv1, tv2;
83 gettimeofday(&tv1, NULL);
87 for (int i = 0; i < num_threads_; ++i) {
88 int rc = nbd_thread_create(thread + i, i, worker, (void*)(size_t)i);
89 if (rc != 0) { perror("pthread_create"); return rc; }
92 for (int i = 0; i < num_threads_; ++i) {
93 pthread_join(thread[i], NULL);
96 gettimeofday(&tv2, NULL);
97 int ms = (int)(1000000*(tv2.tv_sec - tv1.tv_sec) + tv2.tv_usec - tv1.tv_usec) / 1000;
99 printf("Th:%ld Time:%dms\n", num_threads_, ms);