Method ParseAndNew

oneflow/core/framework/device.cpp:84–96

static */

}

/* static */ Maybe<Symbol<Device>> Device::ParseAndNew(const std::string& device_str) {
  static thread_local HashMap<std::string, Symbol<Device>> map;
  auto iter = map.find(device_str);
  if (iter == map.end()) {
    auto [type, device_id, rematable] = *JUST(ParseDeviceString(device_str));
    CheckDeviceType(type);
    if (device_id == -1) { device_id = GlobalProcessCtx::LocalRank(); }
    Device device(type, device_id, rematable);
    JUST(device.Init());
    iter = map.emplace(device_str, SymbolOf(device)).first;
  }
  return iter->second;
}

std::string Device::ToRepr() const {
  auto rematable_suffix = "";