62 lines
2.0 KiB
62 lines
2.0 KiB
/*Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#ifdef PADDLE_WITH_NGRAPH
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#pragma once
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#include <string>
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#include "ngraph/ngraph.hpp"
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#include "paddle/fluid/platform/ngraph_helper.h"
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namespace paddle {
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namespace operators {
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namespace ngraphs {
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template <typename T>
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std::shared_ptr<ngraph::Node> ElementwiseScalar(
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float scale, std::shared_ptr<ngraph::Node> node) {
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auto node_shape = node->get_shape();
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auto scale_const = ngraph::op::Constant::create(node->get_element_type(),
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node_shape, {scale});
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return std::make_shared<T>(scale_const, node);
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}
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template <typename T>
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std::shared_ptr<ngraph::Node> ElementwiseScalar(
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std::shared_ptr<ngraph::Node> scale_1d,
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std::shared_ptr<ngraph::Node> node) {
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auto scale_shape = scale_1d->get_shape();
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PADDLE_ENFORCE_EQ(scale_shape.size(), 1, "Supporting 1d scale node");
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PADDLE_ENFORCE_EQ(scale_shape.at(0), 1, "scale 1d in in shape {1}");
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auto node_shape = node->get_shape();
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ngraph::AxisSet axis_set;
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for (size_t i = 0; i < node_shape.size(); ++i) {
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axis_set.insert(i);
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}
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node_shape.push_back(1);
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auto scale_bcast =
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std::make_shared<ngraph::op::Broadcast>(scale_1d, node_shape, axis_set);
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auto scale_reshape =
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paddle::platform::NgReshaper(scale_bcast, node->get_shape());
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return std::make_shared<T>(scale_reshape, node);
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}
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} // namespace ngraphs
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} // namespace operators
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} // namespace paddle
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#endif
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