Method UnionWith

tensorflow/compiler/jit/device_util.cc:37–45

}

void DeviceSet::UnionWith(const DeviceSet& other) {
  if (other.storage_.size() > storage_.size()) {
    storage_.resize(other.storage_.size(), 0);
  }

  for (int i = 0; i < other.storage_.size(); i++) {
    storage_[i] |= other.storage_[i];
  }
}

bool DeviceSet::IsEmpty() const {
  return absl::c_all_of(storage_, [&](uint64 val) { return val == 0; });