cavis/libnd4j/include/helpers/ConstantShapeHelper.h

101 lines
4.0 KiB
C++

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