wehub-resource-sync
65 lines
2.0 KiB
C++
65 lines
2.0 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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// @author raver119@gmail.com
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//
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#ifndef DEV_TESTS_CONSTANTHELPER_H
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#define DEV_TESTS_CONSTANTHELPER_H
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#include <array/ConstantDataBuffer.h>
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#include <array/ConstantDescriptor.h>
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#include <array/ConstantHolder.h>
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#include <memory/Workspace.h>
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#include <system/op_boilerplate.h>
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#include <map>
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#include <mutex>
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#include <vector>
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namespace sd {
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class SD_LIB_EXPORT ConstantHelper {
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private:
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ConstantHelper();
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std::vector<SD_MAP_IMPL<ConstantDescriptor, ConstantHolder*>> _cache;
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// tracking of per-device constant memory buffers (CUDA only atm)
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std::vector<Pointer> _devicePointers;
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std::vector<LongType> _deviceOffsets;
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std::mutex _mutex;
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std::mutex _mutexHolder;
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std::vector<LongType> _counters;
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public:
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~ConstantHelper();
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void *getConstantSpace();
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static ConstantHelper& getInstance();
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static int getCurrentDevice();
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static int getNumberOfDevices();
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void* replicatePointer(void* src, size_t numBytes, memory::Workspace* workspace = nullptr);
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ConstantDataBuffer* constantBuffer(const ConstantDescriptor& descriptor, DataType dataType);
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LongType getCachedAmount(int deviceId);
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};
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} // namespace sd
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#endif // DEV_TESTS_CONSTANTHELPER_H
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