forked from huawei/mindspore2022
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/**
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* Copyright 2019 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_VM_BACKEND_H_
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#define MINDSPORE_CCSRC_VM_BACKEND_H_
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#include <list>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include "utils/contract.h"
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#include "ir/anf.h"
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#include "vm/segment_runner.h"
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#include "vm/vm.h"
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#include "backend/session/session_basic.h"
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namespace mindspore {
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namespace compile {
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enum SwitchCondStatus {
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kCondOk = 0,
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kCondAlreadyRun,
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};
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class Backend {
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public:
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explicit Backend(const std::string &name);
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virtual ~Backend() = default;
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LinkFuncType convert_fn() { return convert_fn_; }
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std::string name() { return name_; }
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virtual bool GetCond(const BaseRef &c, bool *value);
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virtual bool GetIndex(const BaseRef &c, int *value);
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virtual GraphId CompileGraph(NotNull<FuncGraphPtr> fg) { return kInvalidGraphId; }
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virtual void Link(GraphId) {}
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virtual void SetDebugger() {}
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bool is_multi_graph_sink() const { return is_multi_graph_sink_; }
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void set_is_multi_graph_sink(bool flag) { is_multi_graph_sink_ = flag; }
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protected:
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std::string name_;
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LinkFuncType convert_fn_;
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bool is_multi_graph_sink_;
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};
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class MsBackend : public Backend {
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public:
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MsBackend(const std::string &name, const std::string &target, uint32_t device_id);
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~MsBackend() override = default;
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LinConvertResult MsConvert(const AnfNodePtrList &lst, const std::string &target = "");
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VectorRef MsRunGraph(const GraphId &g, const VectorRef &args, const std::string &target = "");
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VectorRef MsSimuRunGraph(const GraphId &g, const VectorRef &args);
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void Link(GraphId) override;
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GraphId CompileGraph(NotNull<FuncGraphPtr> fg) override;
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VectorRef RunGraph(GraphId graph_id, const VectorRef &args);
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void CreateOtherSession(const std::string &target);
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#ifdef ENABLE_DEBUGGER
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void SetDebugger() override;
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#endif
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private:
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session::SessionPtr target_sess_;
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session::SessionPtr other_sess_;
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std::string target_device_;
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std::string other_device_;
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std::unordered_map<GraphId, LinConvertResult> graph_id_map_;
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};
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} // namespace compile
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} // namespace mindspore
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#endif
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