initial files for ResNet50

official/modeling/optimization/__init__.py

+# Copyright 2021 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.
+
+"""Optimization package definition."""
+
+# pylint: disable=wildcard-import
+from official.modeling.optimization.configs.learning_rate_config import *
+from official.modeling.optimization.configs.optimization_config import *
+from official.modeling.optimization.configs.optimizer_config import *
+from official.modeling.optimization.ema_optimizer import ExponentialMovingAverage
+from official.modeling.optimization.lr_schedule import *
+from official.modeling.optimization.optimizer_factory import OptimizerFactory
+from official.modeling.optimization.optimizer_factory import register_optimizer_cls