Merge pull request #14806 from mozga-intel/mozga-intel/scale_operator_ngraph

Enable scale operator for a ngraph engine

paddle/fluid/framework/ngraph_bridge.cc

@@ -36,6 +36,7 @@ std::map<std::string,
         {"mean_grad", paddle::operators::ngraphs::BuildMeanGradNode},
         {"mul", paddle::operators::ngraphs::BuildMulNode},
         {"mul_grad", paddle::operators::ngraphs::BuildMulGradNode},
+        {"scale", paddle::operators::ngraphs::BuildScaleNode},
         {"relu", paddle::operators::ngraphs::BuildUnaryNode<ngraph::op::Relu>},
         {"tanh", paddle::operators::ngraphs::BuildUnaryNode<ngraph::op::Tanh>},
         {"top_k", paddle::operators::ngraphs::BuildTopKNode}};

paddle/fluid/operators/ngraph/ngraph_ops.h

@@ -25,4 +25,5 @@ limitations under the License. */
 #include "ops/fill_constant_op.h"
 #include "ops/mean_op.h"
 #include "ops/mul_op.h"
+#include "ops/scale_op.h"
 #include "ops/top_k_op.h"

paddle/fluid/operators/ngraph/ops/scale_op.h

@@ -0,0 +1,41 @@
+/*Copyright (c) 2018 PaddlePaddle 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. */
+
+#ifdef PADDLE_WITH_NGRAPH
+#pragma once
+
+#include <string>
+#include "ngraph/ngraph.hpp"
+#include "paddle/fluid/operators/ngraph/ops/elementwise_scalar_op.h"
+#include "paddle/fluid/platform/ngraph_helper.h"
+
+namespace paddle {
+namespace operators {
+namespace ngraphs {
+
+void BuildScaleNode(
+    const std::shared_ptr<paddle::framework::OperatorBase>& op,
+    std::shared_ptr<
+        std::unordered_map<std::string, std::shared_ptr<ngraph::Node>>>
+        ngb_node_map) {
+  auto op_attrs = paddle::framework::AttrReader(op->Attrs());
+  float scale = op_attrs.Get<float>("scale");
+  auto x = paddle::platform::GetInputNode(op, "X", ngb_node_map);
+  auto out = ElementwiseScalar<ngraph::op::Multiply>(scale, x);
+  paddle::platform::SetOutputNode(op, "Out", out, ngb_node_map);
+}
+}  // namespace ngraphs
+}  // namespace operators
+}  // namespace paddle
+#endif

python/paddle/fluid/tests/unittests/ngraph/test_scale_ngraph_op.py

@@ -0,0 +1,40 @@
+#   Copyright (c) 2018 PaddlePaddle 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.
+from __future__ import print_function
+import unittest
+from paddle.fluid.tests.unittests.test_scale_op import TestScaleOp, TestScaleOpSelectedRows, TestScaleFp16Op, TestScaleFp16OpSelectedRows
+
+
+class TestNGRAPHScaleOp(TestScaleOp):
+    def init_dtype_type(self):
+        pass
+
+
+class TestNGRAPHScaleOpSelectedRows(TestScaleOpSelectedRows):
+    def init_dtype_type(self):
+        pass
+
+
+class TestNGRAPHScaleFp16Op(TestScaleFp16Op):
+    def init_dtype_type(self):
+        pass
+
+
+class TestNGRAPHScaleFp16OpSelectedRows(TestScaleFp16OpSelectedRows):
+    def init_dtype_type(self):
+        pass
+
+
+if __name__ == "__main__":
+    unittest.main()