Function _mi_os_numa_node_count_get

3rd/mimalloc-2.0.9/src/os.c:1454–1469

_Atomic(size_t)  _mi_numa_node_count; // = 0   // cache the node count

size_t _mi_os_numa_node_count_get(void) {
  size_t count = mi_atomic_load_acquire(&_mi_numa_node_count);
  if (count <= 0) {
    long ncount = mi_option_get(mi_option_use_numa_nodes); // given explicitly?
    if (ncount > 0) {
      count = (size_t)ncount;
    }
    else {
      count = mi_os_numa_node_countx(); // or detect dynamically
      if (count == 0) count = 1;
    }
    mi_atomic_store_release(&_mi_numa_node_count, count); // save it
    _mi_verbose_message("using %zd numa regions\n", count);
  }
  return count;
}

int _mi_os_numa_node_get(mi_os_tld_t* tld) {
  MI_UNUSED(tld);