message: Log list of devices in the constructor of MirroredStrategy
diff: @@ -426,6 +426,7 @@ class MirroredExtended(distribute_lib.StrategyExtendedV1):
  cross_device_ops_lib.choose_the_best(devices))
  self._host_input_device = numpy_dataset.SingleDevice("/cpu:0")
  self._is_multi_worker_training = False
  + logging.info("Using MirroredStrategy with local devices %r", devices)
  def _initialize_multi_worker(self, devices):
  """Initializes the object for multi-worker training."""
  @@ -466,6 +467,8 @@ class MirroredExtended(distribute_lib.StrategyExtendedV1):
  # containing job names.
  self._inferred_cross_device_ops = cross_device_ops_lib.NcclAllReduce()
  + logging.info("Using MirroredStrategy with remote devices %r", devices)
  +
  def _get_variable_creator_initial_value(self,
  replica_id,
  device,
  