C++ (Cpp) seed_my_rankの例

コード例 #1

ファイル: isx.c プロジェクト: openshmem-org/openshmem-async

/*
 * Generates uniformly random keys [0, MAX_KEY_VAL] on each rank using the time and rank
 * number as a seed
 */
static KEY_TYPE * make_input(void)
{
  timer_start(&timers[TIMER_INPUT]);

  KEY_TYPE * restrict const my_keys = malloc(NUM_KEYS_PER_PE * sizeof(KEY_TYPE));

  pcg32_random_t rng = seed_my_rank();

  for(uint64_t i = 0; i < NUM_KEYS_PER_PE; ++i) {
    my_keys[i] = pcg32_boundedrand_r(&rng, MAX_KEY_VAL);
  }

  timer_stop(&timers[TIMER_INPUT]);

#ifdef DEBUG
  wait_my_turn();
  char msg[1024];
  const int my_rank = shmem_my_pe();
  sprintf(msg,"Rank %d: Initial Keys: ", my_rank);
  for(uint64_t i = 0; i < NUM_KEYS_PER_PE; ++i){
    if(i < PRINT_MAX)
    sprintf(msg + strlen(msg),"%d ", my_keys[i]);
  }
  sprintf(msg + strlen(msg),"\n");
  printf("%s",msg);
  fflush(stdout);
  my_turn_complete();
#endif
  return my_keys;
}

コード例 #2

ファイル: isx.c プロジェクト: habanero-rice/hclib

/*
 * Generates uniformly random keys [0, MAX_KEY_VAL] on each rank using the time and rank
 * number as a seed
 */
static KEY_TYPE * make_input(void)
{
  timer_start(&timers[TIMER_INPUT]);

  KEY_TYPE * const my_keys = malloc(NUM_KEYS_PER_PE * sizeof(KEY_TYPE));
  assert(my_keys);

  pcg32_random_t rng = seed_my_rank();

#ifdef ISX_PROFILING
  unsigned long long start = current_time_ns();
#endif

  for(uint64_t i = 0; i < NUM_KEYS_PER_PE; ++i) {
    my_keys[i] = pcg32_boundedrand_r(&rng, MAX_KEY_VAL);
  }

#ifdef ISX_PROFILING
  unsigned long long end = current_time_ns();
  if (shmem_my_pe() == 0)
  printf("Making input took %llu ns\n", end - start);
#endif

  timer_stop(&timers[TIMER_INPUT]);

#ifdef DEBUG
  wait_my_turn();
  char msg[1024];
  const int my_rank = shmem_my_pe();
  sprintf(msg,"Rank %d: Initial Keys: ", my_rank);
  for(uint64_t i = 0; i < NUM_KEYS_PER_PE; ++i){
    if(i < PRINT_MAX)
    sprintf(msg + strlen(msg),"%d ", my_keys[i]);
  }
  sprintf(msg + strlen(msg),"\n");
  printf("%s",msg);
  fflush(stdout);
  my_turn_complete();
#endif
  return my_keys;
}