mindspore2022/mindspore/ccsrc/optimizer/ad/grad.cc

76 lines
2.3 KiB
C++

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* 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.
*/
#include "optimizer/ad/grad.h"
#include "optimizer/ad/dfunctor.h"
#include "ir/func_graph_cloner.h"
#include "utils/context/ms_context.h"
#include "utils/symbolic.h"
#include "utils/graph_utils.h"
namespace mindspore {
namespace ad {
FuncGraphPtr Grad(const FuncGraphPtr &func_graph, const pipeline::ResourceBasePtr &resources) {
MS_EXCEPTION_IF_NULL(func_graph);
auto gradkv = func_graph->transforms().find("grad");
if (gradkv != func_graph->transforms().end()) {
return gradkv->second.func_graph();
}
auto manager_ptr = resources->manager();
MS_EXCEPTION_IF_NULL(manager_ptr);
manager_ptr->AddFuncGraph(func_graph);
auto multi_graph_sink = [&func_graph](const FuncGraphPtr &f) {
if (MsContext::GetInstance()->is_multi_graph_sink()) {
if (func_graph->has_flag(FUNC_GRAPH_FLAG_IGNORE_VALUES)) {
f->set_flags(FUNC_GRAPH_FLAG_IGNORE_VALUES, true);
}
}
};
auto f = std::make_shared<DFunctor>(func_graph, resources);
auto user_defined = f->KUserDefined(func_graph);
if (user_defined != nullptr) {
multi_graph_sink(user_defined);
DFunctor::Clear();
return user_defined;
}
f->Init(f, true);
f->MapObject();
f->MapMorphism();
auto ret = f->k_graph();
DFunctor::Clear();
multi_graph_sink(ret);
return ret;
}
FuncGraphPtr Kprim(const ValueNodePtr &value_node, const pipeline::ResourceBasePtr &resources) {
auto fg = g_k_prims.KPrimitive(value_node, resources);
if (fg == nullptr) {
return nullptr;
}
return BasicClone(fg);
}
MetaFuncGraphPtr Kmeta(const PrimitivePtr &prim, const pipeline::ResourceBasePtr &) {
MetaFuncGraphPtr fg = g_k_prims.KMetaFuncGraph(prim);
return fg;
}
} // namespace ad
} // namespace mindspore