cavis/libnd4j/include/helpers/ConstantShapeHelper.h
shugeo 1bb3ae4b03
Shugeo unordered map (#256)
* Refactored usage of std::map to std::unordered_map instead.

Signed-off-by: shugeo <sgazeos@gmail.com>

* Eliminated crash with wrong ShapeDescriptor hash.

Signed-off-by: shugeo <sgazeos@gmail.com>

* Eliminated crash with TadDescriptor hash.

Signed-off-by: shugeo <sgazeos@gmail.com>

* Refactored Stash hash.

Signed-off-by: shugeo <sgazeos@gmail.com>

* Refactored hashes.

Signed-off-by: shugeo <sgazeos@gmail.com>

* Refactored TadDescriptor hash and top_k mapping.

* Refactored hashes for ShapeDescriptor and TadDescriptor classes.

Signed-off-by: shugeo <sgazeos@gmail.com>

* Refactored hash for ConstantDescriptor and ShapeDescriptor classes.

Signed-off-by: shugeo <sgazeos@gmail.com>

* Fixed map using with cuda platform.

Signed-off-by: shugeo <sgazeos@gmail.com>

* - few rearrangements for hash functions
- shared openblas allowed

Signed-off-by: raver119 <raver119@gmail.com>

* exports

Signed-off-by: raver119 <raver119@gmail.com>

* exports

Signed-off-by: raver119 <raver119@gmail.com>

* Stash reverted to std::map

Signed-off-by: raver119@gmail.com <raver119@gmail.com>

* Added additional test.

Signed-off-by: shugeo <sgazeos@gmail.com>

* different maps for different compilers

Signed-off-by: raver119 <raver119@gmail.com>

* missing include

Signed-off-by: raver119 <raver119@gmail.com>

* fix the leak

Signed-off-by: raver119 <raver119@gmail.com>

Co-authored-by: raver119 <raver119@gmail.com>
2020-02-24 07:51:01 +03:00

98 lines
3.4 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
******************************************************************************/
//
// @author raver119@gmail.com
//
#ifndef DEV_TESTS_CONSTANTSHAPEHELPER_H
#define DEV_TESTS_CONSTANTSHAPEHELPER_H
#include <dll.h>
#include <pointercast.h>
#include <map>
#include <mutex>
#include <vector>
#include <ShapeDescriptor.h>
#include <array/ConstantDataBuffer.h>
#include <memory/Workspace.h>
#include <op_boilerplate.h>
namespace nd4j {
class ND4J_EXPORT ConstantShapeHelper {
private:
static ConstantShapeHelper *_INSTANCE;
std::mutex _mutex;
std::vector<MAP_IMPL<ShapeDescriptor, ConstantDataBuffer>> _cache;
ConstantShapeHelper();
public:
~ConstantShapeHelper() = default;
static ConstantShapeHelper* getInstance();
ConstantDataBuffer bufferForShapeInfo(nd4j::DataType dataType, char order, const std::vector<Nd4jLong> &shape);
ConstantDataBuffer bufferForShapeInfo(const ShapeDescriptor &descriptor);
ConstantDataBuffer bufferForShapeInfo(const Nd4jLong *shapeInfo);
ConstantDataBuffer bufferForShapeInfo(const nd4j::DataType dataType, const char order, const int rank, const Nd4jLong* shape);
Nd4jLong* emptyShapeInfo(const nd4j::DataType dataType);
Nd4jLong* scalarShapeInfo(const nd4j::DataType dataType);
Nd4jLong* vectorShapeInfo(const Nd4jLong length, const nd4j::DataType dataType);
Nd4jLong* createShapeInfo(const ShapeDescriptor &descriptor);
Nd4jLong* createShapeInfo(const nd4j::DataType dataType, const char order, const std::vector<Nd4jLong> &shape);
Nd4jLong* createShapeInfo(const nd4j::DataType dataType, const char order, const int rank, const Nd4jLong* shape);
Nd4jLong* createShapeInfo(const nd4j::DataType dataType, const Nd4jLong* shapeInfo);
Nd4jLong* createFromExisting(Nd4jLong *shapeInfo, nd4j::memory::Workspace *workspace);
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