chenfei
5 years ago
parent
9fff05084a
commit
1f1a07e645
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/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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#include "backend/optimizer/pass/convert_const_scalar_to_tensor.h"
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#include <vector>
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#include <memory>
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#include <utility>
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#include "utils/graph_utils.h"
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#include "backend/optimizer/common/helper.h"
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#include "backend/session/anf_runtime_algorithm.h"
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#include "backend/session/kernel_graph.h"
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#include "backend/kernel_compiler/common_utils.h"
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#include "runtime/device/kernel_info.h"
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namespace mindspore {
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namespace opt {
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namespace {
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AnfNodePtr CreateTensorInput(const KernelGraphPtr &kernel_graph, const AnfNodePtr &input_node) {
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MS_EXCEPTION_IF_NULL(input_node);
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if (!input_node->isa<ValueNode>()) {
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return nullptr;
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}
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auto value_node = input_node->cast<ValueNodePtr>();
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MS_EXCEPTION_IF_NULL(value_node);
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auto value = value_node->value();
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MS_EXCEPTION_IF_NULL(value);
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if (!value->isa<Scalar>()) {
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return nullptr;
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}
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tensor::TensorPtr tensor_ptr = ScalarToTensor(value->cast<ScalarPtr>());
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if (tensor_ptr == nullptr) {
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MS_LOG(WARNING) << "Create tensor of" << input_node->DebugString() << "failed";
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return nullptr;
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}
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auto tensor_input = std::make_shared<ValueNode>(tensor_ptr);
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MS_EXCEPTION_IF_NULL(tensor_input);
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tensor_input->set_abstract(tensor_ptr->ToAbstract());
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if (kernel_graph != nullptr) {
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tensor_input = kernel_graph->NewValueNode(tensor_input);
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kernel_graph->AddValueNodeToGraph(tensor_input);
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} else {
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tensor_input = MakeValueNode(tensor_input);
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}
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tensor_input->set_scope(input_node->scope());
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return tensor_input;
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}
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} // namespace
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const AnfNodePtr ConvertConstScalarToTensor::Process(const FuncGraphPtr &func_graph, const AnfNodePtr &node,
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const EquivPtr &) const {
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if (node == nullptr || func_graph == nullptr || AnfAlgo::CheckPrimitiveType(node, prim::kPrimTupleGetItem)) {
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return nullptr;
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}
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if (!node->isa<CNode>()) {
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return nullptr;
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}
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auto cnode = node->cast<CNodePtr>();
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bool input_changed = false;
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for (size_t i = 0; i < cnode->inputs().size(); ++i) {
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auto new_input = CreateTensorInput(func_graph->cast<KernelGraphPtr>(), cnode->inputs()[i]);
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if (new_input != nullptr) {
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cnode->set_input(i, new_input);
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input_changed = true;
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}
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}
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auto kernel_graph = func_graph->cast<KernelGraphPtr>();
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if (kernel_graph == nullptr || !input_changed) {
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return nullptr;
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}
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return kernel_graph->NewCNode(cnode);
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}
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} // namespace opt
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} // namespace mindspore
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@ -0,0 +1,35 @@
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/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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#ifndef MINDSPORE_CCSRC_BACKEND_OPTIMIZER_PASS_CONVERT_CONST_SCALAR_TO_TENSOR_H_
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#define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_PASS_CONVERT_CONST_SCALAR_TO_TENSOR_H_
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#include <string>
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#include "ir/anf.h"
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#include "backend/optimizer/common/optimizer.h"
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namespace mindspore {
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namespace opt {
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class ConvertConstScalarToTensor : public PatternProcessPass {
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public:
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explicit ConvertConstScalarToTensor(bool multigraph = true)
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: PatternProcessPass("convert_const_scalar_to_tensor", multigraph) {}
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~ConvertConstScalarToTensor() override = default;
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const AnfNodePtr Process(const FuncGraphPtr &, const AnfNodePtr &, const EquivPtr &) const override;
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};
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} // namespace opt
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} // namespace mindspore
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#endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_PASS_CONVERT_CONST_SCALAR_TO_TENSOR_H_
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