Enable fill_constant operator for a ngraph

test=develop

paddle/fluid/framework/ngraph_bridge.cc

@@ -31,6 +31,7 @@ std::map<std::string,
                             std::shared_ptr<std::unordered_map<
                                 std::string, std::shared_ptr<ngraph::Node>>>)>>
     NgraphBridge::NG_NODE_MAP = {
+        {"fill_constant", paddle::operators::ngraphs::BuildFillConstantNode},
         {"mul", paddle::operators::ngraphs::BuildMulNode},
         {"mul_grad", paddle::operators::ngraphs::BuildMulGradNode},
         {"relu", paddle::operators::ngraphs::BuildUnaryNode<ngraph::op::Relu>},

paddle/fluid/operators/ngraph/ngraph_ops.h

@@ -22,4 +22,5 @@ limitations under the License. */
 #pragma once
 
 #include "ops/binary_unnary_op.h"
+#include "ops/fill_constant_op.h"
 #include "ops/mul_op.h"

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

@@ -45,7 +45,6 @@ static void BuildUnaryNode(
   auto out = std::make_shared<T>(input);
   paddle::platform::SetOutputNode(op, "Out", out, ngb_node_map);
 }
-
 }  // namespace ngraphs
 }  // namespace operators
 }  // namespace paddle

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

@@ -0,0 +1,61 @@
+/*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 <vector>
+#include "ngraph/ngraph.hpp"
+#include "paddle/fluid/platform/ngraph_helper.h"
+
+namespace paddle {
+namespace operators {
+namespace ngraphs {
+
+static void BuildFillConstantNode(
+    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());
+  auto vsp = op_attrs.Get<std::vector<int64_t>>("shape");
+  ngraph::Shape shape;
+  for (auto& sp : vsp) {
+    shape.push_back(sp);
+  }
+  float value = op_attrs.Get<float>("value");
+  ngraph::element::Type ng_dtype;
+  auto data_type = static_cast<paddle::framework::proto::VarType::Type>(
+      op_attrs.Get<int>("dtype"));
+  if (data_type == paddle::framework::proto::VarType::FP32) {
+    ng_dtype = ngraph::element::f32;
+  } else if (data_type == paddle::framework::proto::VarType::FP64) {
+    ng_dtype = ngraph::element::f64;
+  } else if (data_type == paddle::framework::proto::VarType::INT64) {
+    ng_dtype = ngraph::element::i64;
+  } else if (data_type == paddle::framework::proto::VarType::INT32) {
+    ng_dtype = ngraph::element::i32;
+  } else if (data_type == paddle::framework::proto::VarType::BOOL) {
+    ng_dtype = ngraph::element::boolean;
+  } else {
+    PADDLE_THROW("unsupported data type: %s", data_type);
+  }
+  auto out = ngraph::op::Constant::create(ng_dtype, shape, {value});
+  paddle::platform::SetOutputNode(op, "Out", out, ngb_node_map);
+}
+}  // namespace ngraphs
+}  // namespace operators
+}  // namespace paddle
+#endif

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

@@ -0,0 +1,37 @@
+# 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_fill_constant_op import TestFillConstantOp1, TestFillConstantOp2, TestFillConstantOpWithSelectedRows
+
+
+class TestNGRAPHFillConstantOp1(TestFillConstantOp1):
+    def setUp(self):
+        super(TestNGRAPHFillConstantOp1, self).setUp()
+
+
+class TestNGRAPHFillConstantOp2(TestFillConstantOp2):
+    def setUp(self):
+        super(TestNGRAPHFillConstantOp2, self).setUp()
+
+
+class TestNGRAPHFillConstantOpWithSelectedRows(
+        TestFillConstantOpWithSelectedRows):
+    def setUp(self):
+        super(TestFillConstantOpWithSelectedRows, self).setUp()
+
+
+if __name__ == "__main__":
+    unittest.main()