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/*
* Copyright (c) 2019 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_IWEIGHTSMANAGER_H
#define ARM_COMPUTE_IWEIGHTSMANAGER_H
#include "arm_compute/core/ITensor.h"
#include "arm_compute/runtime/ITransformWeights.h"
#include <map>
namespace arm_compute
{
/** Weights manager interface to handle weights transformations */
class IWeightsManager
{
public:
/** Constructor */
IWeightsManager();
/** Default Destructor */
virtual ~IWeightsManager() = default;
/** Prevent instances of this class to be copy constructed */
IWeightsManager(const IWeightsManager &) = delete;
/** Prevent instances of this class to be copied */
IWeightsManager &operator=(const IWeightsManager &) = delete;
/** Allow instances of this class to be move constructed */
IWeightsManager(IWeightsManager &&) = default;
/** Allow instances of this class to be moved */
IWeightsManager &operator=(IWeightsManager &&) = default;
/** Start managing a weights tensor
*
* @param[in] weights Pointer to the weights tensor to be managed
* @param[in] parent Parent node in case where the weights are coming from a previous reshape function
*/
void manage(const ITensor *weights, ITransformWeights *parent = nullptr);
/** Run the reshape function.
*
* @param[in] weights Pointer to the weights tensor we want to reshape
* @param[in] weights_transform Weights transformation object
*
* @return The reshaped tensor
*/
ITensor *run(const ITensor *weights, ITransformWeights *weights_transform);
/** Acquire the requested reshape tensor of the selected weights
*
* @param[in] weights Pointer to the weights tensor to be managed
* @param[in] weights_transform Weights transformation object
*/
ITensor *acquire(const ITensor *weights, ITransformWeights *weights_transform);
/** Check if the weights are managed
*
* @param[in] weights Pointer to the weights tensor we want to check if managed
*
* @return True if the weights tensor is managed else false
*/
bool are_weights_managed(const ITensor *weights);
private:
std::map<const ITensor *, std::vector<ITransformWeights *>> _managed_weights;
std::map<const ITensor *, ITransformWeights *> _managed_weights_parents;
};
} // arm_compute
#endif /*ARM_COMPUTE_IWEIGHTSMANAGER_H */
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