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graphengine/ge/graph/manager/util/variable_accelerate_ctrl.h

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/**
* Copyright 2019-2020 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.
*/
#ifndef GE_GRAPH_MANAGER_UTIL_VARIABLE_ACCELERATE_CTRL_H_
#define GE_GRAPH_MANAGER_UTIL_VARIABLE_ACCELERATE_CTRL_H_
#include <map>
#include <set>
#include <string>
#include <mutex>
#include "graph/compute_graph.h"
#include "graph/node.h"
namespace ge {
class VarAccelerateCtrl {
public:
void AddGraph(uint32_t graph_id, const ComputeGraphPtr &compute_graph);
void RemoveGraph(uint32_t graph_id);
void SetVarChanged(const std::string &var_name);
bool IsGraphNeedRebuild(uint32_t graph_id) const;
void SetGraphBuildEnd(uint32_t graph_id);
bool IsVarPermitToChangeFormats(const std::string &var_name);
private:
///
/// the variable and graph relationships will construct when `AddGraph`
///
std::map<uint32_t, std::set<std::string>> graph_ids_to_var_names_;
///
/// The graph id of the graph to be rebuilt. When the format of a variable is
/// changed, the graph which contains this variable is needs to be rebuilt.
///
std::set<uint32_t> graph_ids_need_rebuild_;
///
/// Number of variable names and their format changes.
/// In order to prevent the variable format from being repeatedly changed
/// between different formats, we simply limited the variable format to
/// only one time of changing
///
std::map<std::string, int> var_names_to_change_times_;
static const int kMaxVarChangeTimes_ = 1;
mutable std::mutex mutex_;
};
} // namespace ge
#endif // GE_GRAPH_MANAGER_UTIL_VARIABLE_ACCELERATE_CTRL_H_