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Defined in tensorflow/python/ops/logging_ops.py.

Merges all summaries collected in the default graph. (deprecated)

THIS FUNCTION IS DEPRECATED. It will be removed after 2016-11-30. Instructions for updating: Please switch to tf.summary.merge_all.

This op is deprecated. Please switch to tf.summary.merge_all, which has identical behavior.


  • key: GraphKey used to collect the summaries. Defaults to GraphKeys.SUMMARIES.


If no summaries were collected, returns None. Otherwise returns a scalar Tensor of type string containing the serialized Summary protocol buffer resulting from the merging.