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Describes some metadata about the TPU system.

    cls, num_cores, num_hosts, num_of_cores_per_host, topology, devices


  • num_cores: interger. Total number of TPU cores in the TPU system.
  • num_hosts: interger. Total number of hosts (TPU workers) in the TPU system.
  • num_of_cores_per_host: interger. Number of TPU cores per host (TPU worker).
  • topology: an instance of tf.tpu.experimental.Topology, which describes the physical topology of TPU system.
  • devices: a tuple of strings, which describes all the TPU devices in the system.