cavis/libnd4j/include/graph/VariableSpace.h

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2019-06-06 14:21:15 +02:00
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author raver119@gmail.com
//
#ifndef LIBND4J_VARIABLESPACE_H
#define LIBND4J_VARIABLESPACE_H
#include <helpers/logger.h>
#include <helpers/helper_random.h>
#include <string>
#include <vector>
#include <list>
#include <map>
#include <mutex>
#include <NDArray.h>
#include <array/NDArrayList.h>
#include <graph/Variable.h>
#include <memory/Workspace.h>
#include <graph/Stash.h>
#include <graph/FlowPath.h>
namespace nd4j {
namespace graph {
class ND4J_EXPORT VariableSpace {
protected:
nd4j::memory::Workspace *_workspace;
// stash is NOT cloned
nd4j::graph::Stash _stash;
std::map<std::pair<int, int>, Variable*> _paired;
std::map<std::string, Variable*> _symbolic;
std::map<int, Variable*> _variables;
std::vector<Variable*> _external;
std::vector<Variable*> _internal;
std::vector<nd4j::NDArrayList*> _lists;
std::vector<nd4j::graph::Variable*> _placeholders;
void silentPutVariable(std::pair<int,int>& pair, Variable *variable);
int _auto_counter = -1;
std::mutex _varmap;
std::map<int, nd4j::graph::Variable*> _temporary;
std::vector<nd4j::graph::Variable*> *_handles;
FlowPath* _flow = nullptr;
public:
VariableSpace();
virtual ~VariableSpace();
virtual VariableSpace& operator=(const VariableSpace& other);
virtual int numberOfPlaceholders();
virtual std::vector<Variable*>* getPlaceholders();
virtual void setWorkspace(nd4j::memory::Workspace *workspace);
virtual LaunchContext* launchContext();
virtual bool hasExternalVariable(int it);
virtual bool hasExternalVariable(std::pair<int,int>& pair);
virtual bool hasExternalVariable(std::string *symbol);
virtual bool hasVariable(int id);
virtual bool hasVariable(int id, int idx);
virtual bool hasVariable(std::pair<int,int>& pair);
virtual bool hasVariable(std::string *symbol);
virtual nd4j::graph::Variable* getVariable(int id);
virtual nd4j::graph::Variable* getVariable(int id, int idx);
virtual nd4j::graph::Variable* getVariable(std::pair<int,int>& pair);
virtual nd4j::graph::Variable* getVariable(std::string *symbol);
virtual std::vector<Variable*> getVariables();
virtual void putVariable(std::pair<int,int>& pair, NDArray *array);
virtual void putVariable(std::pair<int,int>& pair, Variable *variable);
virtual void putVariable(int id, Variable *variable);
virtual void putVariable(int id, NDArray *array);
virtual void putVariable(int id, int idx, NDArray *array);
virtual void putVariable(int id, int idx, Variable *array);
virtual void dropVariable(std::pair<int,int> &pair);
virtual void dropVariable(int id, int idx);
virtual void trackList(nd4j::NDArrayList *list);
virtual void putOutputVariable(Variable *variable);
virtual void replaceVariable(Variable *variable);
// memory-related statistics
virtual Nd4jLong externalMemory();
virtual Nd4jLong internalMemory();
virtual Nd4jLong totalMemory();
virtual int externalEntries();
virtual int internalEntries();
virtual int totalEntries();
virtual nd4j::graph::VariableSpace* clone();
std::vector<Variable*> *handles();
nd4j::graph::VariableSpace* asT();
void injectVariable(std::pair<int, int> &pair, Variable* variable);
virtual nd4j::graph::Stash* getStash();
virtual std::vector<nd4j::graph::Variable*> * getExternalVariables();
virtual void setFlowPath(FlowPath* timers);
virtual FlowPath* flowPath();
};
}
}
#endif //LIBND4J_VARIABLESPACE_H