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TensorFlow 1 version View source on GitHub

Returns True if in a cross-replica context.

See tf.distribute.get_replica_context for details.

assert not tf.distribute.in_cross_replica_context()
with strategy.scope():
  assert tf.distribute.in_cross_replica_context()

  def f():
    assert not tf.distribute.in_cross_replica_context()

True if in a cross-replica context (get_replica_context() returns None), or False if in a replica context (get_replica_context() returns non-None).