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/*
* Copyright (c) 2020-2022 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_CPUMAXUNPOOLINGLAYERKERNEL_H
#define ARM_COMPUTE_CPUMAXUNPOOLINGLAYERKERNEL_H
#include "src/core/common/Macros.h"
#include "src/cpu/ICpuKernel.h"
namespace arm_compute
{
namespace cpu
{
namespace kernels
{
/** Interface for the pooling layer kernel */
class CpuMaxUnpoolingLayerKernel : public ICpuKernel<CpuMaxUnpoolingLayerKernel>
{
private:
using MaxUnpoolingUKernelPtr = std::add_pointer<void(
const ITensor *input, const ITensor *indices, ITensor *output, const Window &window)>::type;
public:
/** Default constructor */
CpuMaxUnpoolingLayerKernel() = default;
ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuMaxUnpoolingLayerKernel);
/** Configure kernel for a given list of arguments
*
* @note Dst shape must be equal to the shape of the original src to pool.
*
* @param[in] src Source tensor to permute. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
* @param[in] indices Tensor containing the offset to store the src elements in the dst tensor.
* @ref CpuMaxUnpooling with indices should precede this function in order to
* properly reconstruct the output tensor.
* The tensor shape of this tensor has to be equal to the src tensor shape. Data type supported: U32.
* @param[out] dst Destination tensor. Data types supported: Same as @p src
* @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
*/
void
configure(const ITensorInfo *src, const ITensorInfo *indices, ITensorInfo *dst, const PoolingLayerInfo &pool_info);
/** Static function to check if given info will lead to a valid configuration of @ref CpuMaxUnpoolingLayerKernel
*
* @param[in] src Source tensor to permute. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
* @param[in] indices Tensor info of the indices of the maximal values. Data type supported: U32.
* @param[out] dst Destination tensor. Data types supported: Same as @p src
* @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
*
* @return a status
*/
static Status validate(const ITensorInfo *src,
const ITensorInfo *indices,
const ITensorInfo *dst,
const PoolingLayerInfo &pool_info);
// Inherited methods overridden:
void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
struct MaxUnpoolingKernel
{
const char *name;
const DataTypeISASelectorPtr is_selected;
MaxUnpoolingUKernelPtr ukernel;
};
static const std::vector<MaxUnpoolingKernel> &get_available_kernels();
const char *name() const override;
private:
MaxUnpoolingUKernelPtr _run_method{nullptr};
};
} // namespace kernels
} // namespace cpu
} // namespace arm_compute
#endif /*ARM_COMPUTE_CPUMAXUNPOOLINGLAYERKERNEL_H */
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