| /* |
| * Copyright (c) 2017-2020 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_CLL2NORMALIZELAYERKERNEL_H |
| #define ARM_COMPUTE_CLL2NORMALIZELAYERKERNEL_H |
| |
| #include "arm_compute/core/Types.h" |
| #include "src/core/CL/ICLKernel.h" |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| |
| /** Interface for performing a L2 normalize on a given axis given the square sum of it in this axis */ |
| class CLL2NormalizeLayerKernel : public ICLKernel |
| { |
| public: |
| /** Default constructor */ |
| CLL2NormalizeLayerKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLL2NormalizeLayerKernel(const CLL2NormalizeLayerKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLL2NormalizeLayerKernel &operator=(const CLL2NormalizeLayerKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLL2NormalizeLayerKernel(CLL2NormalizeLayerKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLL2NormalizeLayerKernel &operator=(CLL2NormalizeLayerKernel &&) = default; |
| /** Default destructor */ |
| ~CLL2NormalizeLayerKernel() = default; |
| |
| /** Set the input and output tensors. |
| * |
| * @param[in] input Source tensor. Data types supported: F16/F32. Data layouts supported: NCHW/NHWC. |
| * @param[in] sum Sum values tensor. Data types supported: same as @p input. |
| * Sum will have the same number of dimensions as input. |
| * @param[out] output Destination tensor. Data types and data layouts supported: Same as @p input. |
| * Output will have the same number of dimensions as input. |
| * @param[in] axis Axis along which to reduce. Negative values wrap around. Maximum supported actual reduction axis : 2 |
| * @param[in] epsilon Lower bound value for the normalization. |
| */ |
| void configure(const ICLTensor *input, const ICLTensor *sum, ICLTensor *output, int axis, float epsilon); |
| /** Set the input and output tensors. |
| * |
| * @param[in] compile_context The compile context to be used. |
| * @param[in] input Source tensor. Data types supported: F16/F32. Data layouts supported: NCHW/NHWC. |
| * @param[in] sum Sum values tensor. Data types supported: same as @p input. |
| * Sum will have the same number of dimensions as input. |
| * @param[out] output Destination tensor. Data types and data layouts supported: Same as @p input. |
| * Output will have the same number of dimensions as input. |
| * @param[in] axis Axis along which to reduce. Negative values wrap around. Maximum supported actual reduction axis : 2 |
| * @param[in] epsilon Lower bound value for the normalization. |
| */ |
| void configure(const CLCompileContext &compile_context, const ICLTensor *input, const ICLTensor *sum, ICLTensor *output, int axis, float epsilon); |
| |
| /** Static function to check if given info will lead to a valid configuration of @ref CLL2NormalizeLayerKernel. |
| * |
| * @param[in] input Source tensor info. Data types supported: F16/F32. Data layouts supported: NCHW/NHWC. |
| * @param[in] sum Sum values tensor info. Data types supported: same as @p input. |
| * Sum will have the same number of dimensions as input. |
| * @param[in] output Destination tensor info. Data types and data layouts supported: Same as @p input. |
| * Output will have the same number of dimensions as input. |
| * @param[in] axis Axis along which to reduce. Negative values wrap around. Maximum supported actual reduction axis : 2 |
| * @param[in] epsilon Lower bound value for the normalization. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *sum, const ITensorInfo *output, int axis, float epsilon); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, cl::CommandQueue &queue) override; |
| |
| private: |
| const ICLTensor *_input; |
| const ICLTensor *_sum; |
| ICLTensor *_output; |
| unsigned int _actual_axis; |
| float _epsilon; |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_CLL2NORMALIZELAYERKERNEL_H */ |