mindspore2022/mindspore/ccsrc/vm/backend.h

117 lines
4.1 KiB
C++

/**
* Copyright 2019 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.
*/
#ifndef MINDSPORE_CCSRC_VM_BACKEND_H_
#define MINDSPORE_CCSRC_VM_BACKEND_H_
#include <list>
#include <memory>
#include <string>
#include <unordered_map>
#include <utility>
#include "ir/anf.h"
#include "vm/segment_runner.h"
#include "vm/vm.h"
#include "session/session_basic.h"
namespace mindspore {
namespace compile {
enum SwitchCondStatus {
kCondOk = 0,
kCondAlreadyRun,
};
class Backend {
public:
explicit Backend(const std::string &name);
virtual ~Backend() = default;
LinkFuncType convert_fn() { return convert_fn_; }
std::string name() { return name_; }
virtual void SimulateRun(FinalVMPtr, FuncGraphPtr) {}
virtual SwitchCondStatus SetSimuCond(const BaseRef &, bool) { return kCondOk; }
virtual bool GetCond(const BaseRef &c, bool *value);
virtual void SetSwitchGraph() {}
virtual void SetSwitchActive(const BaseRef &, bool) {}
virtual void RecallGraphInput(const FuncGraphPtr &, const VectorRef &, const BaseRef &) {}
virtual void SetGraphUserInputs(const FuncGraphPtr &, const FuncGraphPtr &, const AnfNodePtrList &) {}
void set_curr_switch(const BaseRef &value) {
curr_switch_ = value;
is_switch_call_ = true;
}
BaseRef curr_switch() { return curr_switch_; }
virtual void Link(GraphId) {}
virtual LinConvertResult GetMultiGraphRun(const FuncGraphPtr &) { return LinConvertResult(); }
LinConvertResult multi_result() { return multi_result_; }
void set_multi_result(const LinConvertResult &value) { multi_result_ = value; }
AnfNodePtr final_output() const { return final_output_; }
bool is_multi_graph_sink() const { return is_multi_graph_sink_; }
void set_is_multi_graph_sink(bool flag) { is_multi_graph_sink_ = flag; }
bool simu_flag() const { return simu_flag_; }
bool is_switch_call() const { return is_switch_call_; }
void set_simu_flag(bool simu) { simu_flag_ = simu; }
protected:
std::string name_;
LinkFuncType convert_fn_;
BaseRef curr_switch_; // curr switch node
bool is_multi_graph_sink_;
bool is_switch_call_;
bool simu_flag_;
LinConvertResult multi_result_;
AnfNodePtr final_output_;
std::unordered_map<FuncGraphPtr, std::pair<FuncGraphPtr, AnfNodePtrList>> graph_user_inputs_;
};
struct CondGraph {
bool curr_cond;
std::unordered_map<bool, GraphId> cond_graph_map;
};
class MsBackend : public Backend {
public:
MsBackend(const std::string &name, const std::string &target, uint32_t device_id);
~MsBackend() override = default;
LinConvertResult MsConvert(const AnfNodePtrList &lst);
VectorRef MsRunGraph(const GraphId &g, const VectorRef &args);
VectorRef MsSimuRunGraph(const GraphId &g, const VectorRef &args);
void SimulateRun(FinalVMPtr rt, FuncGraphPtr root) override;
SwitchCondStatus SetSimuCond(const BaseRef &c, bool value) override;
void SetSwitchGraph() override;
void SetSwitchActive(const BaseRef &c, bool cond) override;
void RecallGraphInput(const FuncGraphPtr &, const VectorRef &, const BaseRef &) override;
void SetGraphUserInputs(const FuncGraphPtr &, const FuncGraphPtr &, const AnfNodePtrList &) override;
void Link(GraphId) override;
AnfNodePtr ConvertGraphInput(const FuncGraphPtr &, const AnfNodePtr &);
LinConvertResult GetMultiGraphRun(const FuncGraphPtr &g) override;
private:
session::SessionPtr sess_;
std::unordered_map<BaseRef, CondGraph, BaseRefHash> simu_cond_map_;
std::unordered_map<GraphId, LinConvertResult> graph_id_map_;
std::unordered_map<BaseRef, std::list<std::pair<GraphId, VectorRef>>, BaseRefHash> graph_inputs_;
};
} // namespace compile
} // namespace mindspore
#endif