wehub-resource-sync
112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
/* ******************************************************************************
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*
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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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* See the NOTICE file distributed with this work for additional
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* information regarding copyright ownership.
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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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// This class implements Workspace functionality in c++
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//
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//
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// @author raver119@gmail.com
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//
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#ifndef LIBND4J_WORKSPACE_H
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#define LIBND4J_WORKSPACE_H
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#include <memory/ExternalWorkspace.h>
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#include <memory/MemoryType.h>
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#include <system/common.h>
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#include <types/float16.h>
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#include <atomic>
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#include <mutex>
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#include <vector>
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namespace sd {
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namespace memory {
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class SD_LIB_EXPORT Workspace {
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protected:
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char* _ptrHost = nullptr;
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char* _ptrDevice = nullptr;
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bool _allocatedHost = false;
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bool _allocatedDevice = false;
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std::atomic<sd::LongType> _offset;
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std::atomic<sd::LongType> _offsetSecondary;
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sd::LongType _initialSize = 0L;
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sd::LongType _initialSizeSecondary = 0L;
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sd::LongType _currentSize = 0L;
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sd::LongType _currentSizeSecondary = 0L;
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std::mutex _mutexAllocation;
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std::mutex _mutexSpills;
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bool _externalized = false;
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std::vector<void*> _spills;
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std::vector<void*> _spillsSecondary;
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std::atomic<sd::LongType> _spillsSize;
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std::atomic<sd::LongType> _cycleAllocations;
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std::atomic<sd::LongType> _spillsSizeSecondary;
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std::atomic<sd::LongType> _cycleAllocationsSecondary;
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void init(sd::LongType primaryBytes, sd::LongType secondaryBytes = 0L);
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void freeSpills();
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public:
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explicit Workspace(ExternalWorkspace* external);
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Workspace(sd::LongType initialSize = 0L, sd::LongType secondaryBytes = 0L);
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~Workspace();
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sd::LongType getAllocatedSize();
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sd::LongType getCurrentSize();
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sd::LongType getCurrentOffset();
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sd::LongType getSpilledSize();
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sd::LongType getUsedSize();
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sd::LongType getAllocatedSecondarySize();
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sd::LongType getCurrentSecondarySize();
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sd::LongType getCurrentSecondaryOffset();
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sd::LongType getSpilledSecondarySize();
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sd::LongType getUsedSecondarySize();
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void expandBy(sd::LongType primaryBytes, sd::LongType secondaryBytes = 0L);
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void expandTo(sd::LongType primaryBytes, sd::LongType secondaryBytes = 0L);
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// bool resizeSupported();
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void* allocateBytes(sd::LongType numBytes);
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void* allocateBytes(MemoryType type, sd::LongType numBytes);
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void scopeIn();
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void scopeOut();
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/*
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* This method creates NEW workspace of the same memory size and returns pointer to it
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*/
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Workspace* clone();
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};
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} // namespace memory
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} // namespace sd
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#endif // LIBND4J_WORKSPACE_H
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