67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// Created by raver119 on 12.09.17.
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//
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#ifndef LIBND4J_MEMORYREGISTRATOR_H
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#define LIBND4J_MEMORYREGISTRATOR_H
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#include "Workspace.h"
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#include <map>
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#include <mutex>
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#include <dll.h>
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namespace nd4j {
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namespace memory {
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class ND4J_EXPORT MemoryRegistrator {
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protected:
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static MemoryRegistrator* _INSTANCE;
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Workspace* _workspace;
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std::map<Nd4jLong, Nd4jLong> _footprint;
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std::mutex _lock;
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MemoryRegistrator();
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~MemoryRegistrator() = default;
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public:
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static MemoryRegistrator* getInstance();
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bool hasWorkspaceAttached();
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Workspace* getWorkspace();
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void attachWorkspace(Workspace* workspace);
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void forgetWorkspace();
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/**
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* This method allows you to set memory requirements for given graph
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*/
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void setGraphMemoryFootprint(Nd4jLong hash, Nd4jLong bytes);
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/**
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* This method allows you to set memory requirements for given graph, ONLY if
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* new amount of bytes is greater then current one
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*/
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void setGraphMemoryFootprintIfGreater(Nd4jLong hash, Nd4jLong bytes);
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/**
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* This method returns memory requirements for given graph
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*/
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Nd4jLong getGraphMemoryFootprint(Nd4jLong hash);
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};
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}
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}
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#endif //LIBND4J_MEMORYREGISTRATOR_H
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