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/*
* Copyright (c) 2017-2021 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_CLREDUCTIONOPERATION_H
#define ARM_COMPUTE_CLREDUCTIONOPERATION_H
#include "arm_compute/runtime/CL/CLTensor.h"
#include "arm_compute/runtime/CL/functions/CLReshapeLayer.h"
#include "arm_compute/runtime/IFunction.h"
#include "arm_compute/runtime/IMemoryManager.h"
#include "arm_compute/runtime/MemoryGroup.h"
#include <memory>
namespace arm_compute
{
// Forward declarations
class CLCompileContext;
class CLReductionOperationKernel;
class ICLTensor;
/** Perform reduction operation.
*/
class CLReductionOperation : public IFunction
{
public:
/** Default Constructor.
*
* @param[in] memory_manager (Optional) Memory manager.
*/
CLReductionOperation(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
/** Default Destructor */
~CLReductionOperation();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLReductionOperation(const CLReductionOperation &) = delete;
/** Default move constructor */
CLReductionOperation(CLReductionOperation &&) = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLReductionOperation &operator=(const CLReductionOperation &) = delete;
/** Default move assignment operator */
CLReductionOperation &operator=(CLReductionOperation &&) = default;
/** Set the input and output tensors.
*
* Valid data layouts:
* - All
*
* Valid data type configurations:
* |src |dst |
* |:--------------|:--------------|
* |QASYMM8 |QASYMM8 |
* |QASYMM8_SIGNED |QASYMM8_SIGNED |
* |F16 |F16 |
* |F32 |F32 |
* |S32 |S32 |
*
* @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32/S32.
* @param[out] output Destination tensor. Data types and data layouts supported: Same as @p input.
* @param[in] axis Axis along which to reduce. Supported reduction axis : 0, 1, 2, 3
* @param[in] op Reduction operation to perform. Operations supported: MEAN_SUM, PROD, SUM_SQUARE, SUM, MIN, MAX
* @param[in] keep_dims (Optional) Whether to keep the reduced dimension after the operation. Defaults to true.
*/
void
configure(ICLTensor *input, ICLTensor *output, unsigned int axis, ReductionOperation op, bool keep_dims = true);
/** Set the input and output tensors.
*
* @param[in] compile_context The compile context to be used.
* @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32/S32.
* @param[out] output Destination tensor. Data types and data layouts supported: Same as @p input.
* @param[in] axis Axis along which to reduce. Supported reduction axis : 0, 1, 2, 3
* @param[in] op Reduction operation to perform. Operations supported: MEAN_SUM, PROD, SUM_SQUARE, SUM, MIN, MAX
* @param[in] keep_dims (Optional) Whether to keep the reduced dimension after the operation. Defaults to true.
*/
void configure(const CLCompileContext &compile_context,
ICLTensor *input,
ICLTensor *output,
unsigned int axis,
ReductionOperation op,
bool keep_dims = true);
/** Static function to check if given info will lead to a valid configuration of @ref CLReductionOperation.
*
* @param[in] input Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32/S32.
* @param[in] output Destination tensor info. Data types and data layouts supported: Same as @p input.
* @param[in] axis Axis along which to reduce. Supported reduction axis : 0, 1, 2, 3
* @param[in] op Reduction operation to perform. Operations supported: MEAN_SUM, PROD, SUM_SQUARE, SUM, MIN, MAX
* @param[in] keep_dims (Optional) Whether to keep the reduced dimension after the operation. Defaults to true.
*
* @return a status
*/
static Status validate(const ITensorInfo *input,
const ITensorInfo *output,
unsigned int axis,
ReductionOperation op,
bool keep_dims = true);
// Inherited methods overridden:
void run() override;
private:
ICLTensor *configure_intermediate_result_vector(ICLTensor *input, ICLTensor *output);
MemoryGroup _memory_group;
CLTensor _unreshaped_output;
std::unique_ptr<CLReductionOperationKernel> _reduction_kernel;
CLReshapeLayer _reshape;
unsigned int _reduction_axis;
bool _is_reshape_required;
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_CLREDUCTIONOPERATION_H */
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