Add Automatic SParsity Utilities (#32995)

Author: mingxu1067

python/paddle/fluid/contrib/__init__.py

@@ -1,4 +1,5 @@
 #   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserve.
+#   Copyright (c) 2021 NVIDIA Corporation.  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.
@@ -32,6 +33,8 @@
 from . import layers
 from .layers import *
 from . import optimizer
+from . import sparsity
+from .sparsity import *
 
 __all__ = []
 __all__ += decoder.__all__
@@ -42,3 +45,4 @@
 __all__ += ['mixed_precision']
 __all__ += layers.__all__
 __all__ += optimizer.__all__
+__all__ += sparsity.__all__

python/paddle/fluid/contrib/sparsity/__init__.py

@@ -0,0 +1,21 @@
+# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+# Copyright (c) 2021 NVIDIA Corporation.  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.
+
+from __future__ import print_function
+
+from . import utils
+from .utils import *
+
+__all__ = utils.__all__