Add __init__.py to all_reduce.

PiperOrigin-RevId: 199399375

1 files changed, 39 insertions, 0 deletions

diff --git a/tensorflow/contrib/all_reduce/__init__.py b/tensorflow/contrib/all_reduce/__init__.py
new file mode 100644
index 0000000000..f9824f4cfb
--- /dev/null
+++ b/tensorflow/contrib/all_reduce/__init__.py
@@ -0,0 +1,39 @@
+# Copyright 2018 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""All-reduce implementations."""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+# pylint: disable=unused-import,line-too-long,wildcard-import
+from tensorflow.contrib.all_reduce.python.all_reduce import *
+
+from tensorflow.python.util.all_util import remove_undocumented
+# pylint: enable=unused-import,line-too-long,wildcard-import
+
+_allowed_symbols = [
+    'build_ring_all_reduce',
+    'build_recursive_hd_all_reduce',
+    'build_shuffle_all_reduce',
+    'build_nccl_all_reduce',
+    'build_nccl_then_ring',
+    'build_nccl_then_recursive_hd',
+    'build_nccl_then_shuffle',
+    'build_shuffle_then_ring',
+    'build_shuffle_then_shuffle'
+]
+
+remove_undocumented(__name__, allowed_exception_list=_allowed_symbols)