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/*
* Copyright (c) 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_CPU_POOLING_H
#define ARM_COMPUTE_CPU_POOLING_H
#include "src/runtime/cpu/ICpuOperator.h"
#include "arm_compute/runtime/IMemoryManager.h"
#include "src/runtime/cpu/operators/CpuPoolingAssemblyDispatch.h"
#include <memory>
namespace arm_compute
{
// Forward Declarations
struct PoolingLayerInfo;
namespace cpu
{
// Forward Declarations
class CpuPoolingAssemblyDispatch;
/** Basic function to simulate a pooling layer with the specified pooling operation. This function calls the following Neon kernels:
*
* -# @ref NEFillBorderKernel (executed if padding size is different from zero)
* -# @ref kernels::CpuPoolingKernel
* -# @ref CpuPoolingAssemblyDispatch
*/
class CpuPooling : public ICpuOperator
{
public:
/** Constructor */
CpuPooling(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
/** Prevent instances of this class from being copied (As this class contains pointers) */
CpuPooling(const CpuPooling &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CpuPooling &operator=(const CpuPooling &) = delete;
/** Prevent instances of this class from being moved (As this class contains non movable objects) */
CpuPooling(CpuPooling &&) = delete;
/** Prevent instances of this class from being moved (As this class contains non movable objects) */
CpuPooling &operator=(CpuPooling &&) = delete;
/** Default destructor */
~CpuPooling();
/** Set the src and dst tensors.
*
* @note F16 is supported for pool sizes 2 and 3 only
*
* @param[in, out] src Source tensor info. (Written to only when padding != 0) Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
* @param[out] dst Destination tensor info. Data types supported: same as @p src.
* @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
* @param[out] indices (optional) The indices of the maximal values. Data type supported: U32.
*/
void configure(ITensorInfo *src, ITensorInfo *dst, const PoolingLayerInfo &pool_info, ITensorInfo *indices = nullptr);
/** Static function to check if given info will lead to a valid configuration of @ref CpuPooling
*
* @note F16 is supported for pool sizes 2 and 3 only
*
* @param[in] src Source tensor info. (Written to only when padding != 0) Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
* @param[in] dst Destination tensor info. Data types supported: same as @p src.
* @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
* @param[in] indices (optional) Tensor info of the indices of the maximal values. Data type supported: U32.
*
* @return a status
*/
static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const PoolingLayerInfo &pool_info, const ITensorInfo *indices = nullptr);
// Inherited methods overridden:
void run(ITensorPack &tensors) override;
private:
std::shared_ptr<IMemoryManager> _memory_manager;
std::unique_ptr<INEKernel> _pooling_layer_kernel;
std::unique_ptr<INEKernel> _border_handler;
std::unique_ptr<CpuPoolingAssemblyDispatch> _asm_glue;
bool _is_global_pooling_layer;
DataLayout _data_layout;
};
} // namespace cpu
} // namespace arm_compute
#endif /* ARM_COMPUTE_CPU_POOLING_H */
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