99 lines
3.9 KiB
C++
99 lines
3.9 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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// @author raver119@gmail.com
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//
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#ifndef DEV_TESTS_CONSTANTSHAPEHELPER_H
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#define DEV_TESTS_CONSTANTSHAPEHELPER_H
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#include <system/dll.h>
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#include <system/pointercast.h>
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#include <map>
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#include <mutex>
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#include <vector>
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#include <array/ShapeDescriptor.h>
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#include <array/ConstantShapeBuffer.h>
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#include <memory/Workspace.h>
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#include <system/op_boilerplate.h>
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namespace sd {
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class ND4J_EXPORT ConstantShapeHelper {
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private:
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std::mutex _mutex;
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std::vector<MAP_IMPL<ShapeDescriptor, ConstantShapeBuffer>> _cache;
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ConstantShapeHelper();
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public:
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~ConstantShapeHelper() = default;
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static ConstantShapeHelper & getInstance();
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ConstantShapeBuffer& bufferForShapeInfo(sd::DataType dataType, char order, const std::vector<Nd4jLong> &shape);
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ConstantShapeBuffer& bufferForShapeInfo(const ShapeDescriptor &descriptor);
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ConstantShapeBuffer& bufferForShapeInfo(const Nd4jLong *shapeInfo);
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ConstantShapeBuffer& bufferForShapeInfo(sd::DataType dataType, char order, int rank, const Nd4jLong* shape);
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ConstantShapeBuffer& createShapeInfoWithUnitiesForBroadcast(const Nd4jLong* maxShapeInfo, const Nd4jLong* minShapeInfo, sd::memory::Workspace* workspace = nullptr, const std::vector<int> &dimensions = {});
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ConstantShapeBuffer& createShapeInfoWithNoUnitiesForReduce(const Nd4jLong* maxShapeInfo, const std::vector<int> &dimsWithUnities, sd::memory::Workspace* workspace = nullptr);
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ConstantShapeBuffer& createSubArrShapeInfo(const Nd4jLong* inShapeInfo, const int* dims, const int dimsSize, sd::memory::Workspace* workspace = nullptr);
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const Nd4jLong* emptyShapeInfo(sd::DataType dataType);
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const Nd4jLong* scalarShapeInfo(sd::DataType dataType);
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const Nd4jLong* vectorShapeInfo(Nd4jLong length, sd::DataType dataType);
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const Nd4jLong* createShapeInfo(const ShapeDescriptor &descriptor);
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const Nd4jLong* createShapeInfo(sd::DataType dataType, char order, const std::vector<Nd4jLong> &shape);
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const Nd4jLong* createShapeInfo(sd::DataType dataType, char order, int rank, const Nd4jLong* shape);
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const Nd4jLong* createShapeInfo(sd::DataType dataType, const Nd4jLong* shapeInfo);
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const Nd4jLong* createFromExisting(Nd4jLong *shapeInfo, sd::memory::Workspace *workspace);
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const Nd4jLong* createFromExisting(Nd4jLong *shapeInfo, bool destroyOriginal = true);
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bool checkBufferExistenceForShapeInfo(ShapeDescriptor &descriptor);
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/**
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* This method returns number of cached TAD shapes/offsets on specific device
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* @return
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*/
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FORCEINLINE int cachedEntriesForDevice(int deviceId) {
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if (deviceId > _cache.size())
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throw std::runtime_error("deviceId > number of actual devices");
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return _cache[deviceId].size();
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}
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/**
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* This method returns total number of cached TAD shapes/offsets on all devices
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* @return
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*/
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FORCEINLINE int totalCachedEntries() {
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int total = 0;
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for (int e = 0; e < _cache.size(); e++)
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total += _cache[e].size();
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return total;
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}
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};
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}
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#endif //DEV_TESTS_CONSTANTSHAPEHELPER_H
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