109 lines
3.3 KiB
C++
109 lines
3.3 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
|
|
******************************************************************************/
|
|
|
|
//
|
|
// This class implements Workspace functionality in c++
|
|
//
|
|
//
|
|
// @author raver119@gmail.com
|
|
//
|
|
|
|
#ifndef LIBND4J_WORKSPACE_H
|
|
#define LIBND4J_WORKSPACE_H
|
|
|
|
#include <atomic>
|
|
#include <vector>
|
|
#include <mutex>
|
|
#include <dll.h>
|
|
#include <pointercast.h>
|
|
#include <types/float16.h>
|
|
#include <memory/ExternalWorkspace.h>
|
|
#include <memory/MemoryType.h>
|
|
|
|
namespace nd4j {
|
|
namespace memory {
|
|
|
|
class ND4J_EXPORT Workspace {
|
|
protected:
|
|
char* _ptrHost = nullptr;
|
|
char* _ptrDevice = nullptr;
|
|
|
|
bool _allocatedHost = false;
|
|
bool _allocatedDevice = false;
|
|
|
|
std::atomic<Nd4jLong> _offset;
|
|
std::atomic<Nd4jLong> _offsetSecondary;
|
|
|
|
Nd4jLong _initialSize = 0L;
|
|
Nd4jLong _initialSizeSecondary = 0L;
|
|
|
|
Nd4jLong _currentSize = 0L;
|
|
Nd4jLong _currentSizeSecondary = 0L;
|
|
|
|
std::mutex _mutexAllocation;
|
|
std::mutex _mutexSpills;
|
|
|
|
bool _externalized = false;
|
|
|
|
std::vector<void*> _spills;
|
|
std::vector<void*> _spillsSecondary;
|
|
|
|
std::atomic<Nd4jLong> _spillsSize;
|
|
std::atomic<Nd4jLong> _cycleAllocations;
|
|
|
|
std::atomic<Nd4jLong> _spillsSizeSecondary;
|
|
std::atomic<Nd4jLong> _cycleAllocationsSecondary;
|
|
|
|
void init(Nd4jLong primaryBytes, Nd4jLong secondaryBytes = 0L);
|
|
void freeSpills();
|
|
public:
|
|
explicit Workspace(ExternalWorkspace *external);
|
|
Workspace(Nd4jLong initialSize = 0L, Nd4jLong secondaryBytes = 0L);
|
|
~Workspace();
|
|
|
|
Nd4jLong getAllocatedSize();
|
|
Nd4jLong getCurrentSize();
|
|
Nd4jLong getCurrentOffset();
|
|
Nd4jLong getSpilledSize();
|
|
Nd4jLong getUsedSize();
|
|
|
|
Nd4jLong getAllocatedSecondarySize();
|
|
Nd4jLong getCurrentSecondarySize();
|
|
Nd4jLong getCurrentSecondaryOffset();
|
|
Nd4jLong getSpilledSecondarySize();
|
|
Nd4jLong getUsedSecondarySize();
|
|
|
|
void expandBy(Nd4jLong primaryBytes, Nd4jLong secondaryBytes = 0L);
|
|
void expandTo(Nd4jLong primaryBytes, Nd4jLong secondaryBytes = 0L);
|
|
|
|
// bool resizeSupported();
|
|
|
|
void* allocateBytes(Nd4jLong numBytes);
|
|
void* allocateBytes(MemoryType type, Nd4jLong numBytes);
|
|
|
|
void scopeIn();
|
|
void scopeOut();
|
|
|
|
/*
|
|
* This method creates NEW workspace of the same memory size and returns pointer to it
|
|
*/
|
|
Workspace* clone();
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif //LIBND4J_WORKSPACE_H
|