cavis/libnd4j/include/memory/MemoryTracker.h
raver119 5d69069177
[WIP] Memory limits (#167)
* initial commit

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* one more initial commit

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* additional initial commit

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* subsequent initial commit

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* initial commit testing

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* initial commit per device

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* initial commit per group

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* initial commit for cuda

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* initial commit for cuda + few missed lines

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* initial commit for cuda + missed includes

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* initial commit for cuda + one more missed include

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* initial commit shouldn't count host mem as dev0 in cuda

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* initial commit that tracks HOST group limits for CUDA

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* initial commit with some Environment changes

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* initial commit with more Environment changes

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* initial commit with maxMasterThreads fix

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* initial commit with maxMasterThreads fix

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* initial commit without maxMasterThreads exception

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* initial commit without Nd4jULong in Environment

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* add sleep and more iterations for OOM cases

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* limits propagation from java side

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* - consume ErrorCode every time
- one test for memory limits

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* unordered_map

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* unordered_map

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* unordered_map

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* RSub op mapping fixed

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* typo fixed

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* one bad test fixed

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2020-01-24 10:11:09 +03:00

59 lines
1.7 KiB
C++

/*******************************************************************************
* 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
******************************************************************************/
//
// Created by raver119 on 07.05.19.
//
#ifndef DEV_TESTS_MEMORYTRACKER_H
#define DEV_TESTS_MEMORYTRACKER_H
#include <map>
#include <string>
#include <pointercast.h>
#include <mutex>
#include "AllocationEntry.h"
#include <dll.h>
namespace nd4j {
namespace memory {
/**
* This class is used for tracking memory allocation wrt their allocation points in code
*/
class ND4J_EXPORT MemoryTracker {
private:
static MemoryTracker* _INSTANCE;
std::map<Nd4jLong, AllocationEntry> _allocations;
std::map<Nd4jLong, AllocationEntry> _released;
std::mutex _locker;
MemoryTracker();
~MemoryTracker() = default;
public:
static MemoryTracker* getInstance();
void countIn(MemoryType type, Nd4jPointer ptr, Nd4jLong numBytes);
void countOut(Nd4jPointer ptr);
void summarize();
void reset();
};
}
}
#endif //DEV_TESTS_MEMORYTRACKER_H