| /* |
| * Copyright (c) 2019-2020 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_NEINSTANCENORMALIZATIONLAYERKERNEL_H |
| #define ARM_COMPUTE_NEINSTANCENORMALIZATIONLAYERKERNEL_H |
| |
| #include "src/core/NEON/INEKernel.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| struct InstanceNormalizationLayerKernelInfo; |
| |
| /** Interface for performing an instance normalization */ |
| class NEInstanceNormalizationLayerKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NEInstanceNormalizationLayerKernel"; |
| } |
| /** Default constructor */ |
| NEInstanceNormalizationLayerKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEInstanceNormalizationLayerKernel(const NEInstanceNormalizationLayerKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEInstanceNormalizationLayerKernel &operator=(const NEInstanceNormalizationLayerKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NEInstanceNormalizationLayerKernel(NEInstanceNormalizationLayerKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NEInstanceNormalizationLayerKernel &operator=(NEInstanceNormalizationLayerKernel &&) = default; |
| /** Default destructor */ |
| ~NEInstanceNormalizationLayerKernel() = default; |
| /** Set the input and output tensors. |
| * |
| * @param[in, out] input Source tensor. Data types supported: F16/F32. Data layout supported: NCHW |
| * In case of @p output tensor = nullptr this tensor will store the result of the normalization. |
| * @param[out] output Destination tensor. Data types and data layouts supported: same as @p input. |
| * @param[in] info Kernel meta-data descriptor |
| */ |
| void configure(ITensor *input, ITensor *output, const InstanceNormalizationLayerKernelInfo &info); |
| |
| /** Static function to check if given info will lead to a valid configuration of @ref NEInstanceNormalizationLayer. |
| * |
| * @param[in] input Source tensor info. Data types supported: F16/F32. Data layout supported: NCHW |
| * @param[in] output Destination tensor info. Data types and data layouts supported: same as @p input. |
| * @param[in] info Kernel meta-data descriptor |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *output, const InstanceNormalizationLayerKernelInfo &info); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| private: |
| /** Common signature for all the specialized instance normalization functions |
| * |
| * @param[in, out] input An input tensor. In case of @p output tensor = nullptr this tensor will store the result of the normalization. |
| * @param[out] output The output tensor. |
| * @param[in] gamma The scale scalar value applied to the normalized tensor. Defaults to 1.0 |
| * @param[in] beta The offset scalar value applied to the normalized tensor. Defaults to 0.0 |
| * @param[in] epsilon Lower bound value for the normalization. Defaults to 1e-12 |
| */ |
| using NormalizationFunction = void(ITensor *input, ITensor *output, float gamma, float beta, float epsilon, const Window &window); |
| |
| NormalizationFunction *_func; |
| ITensor *_input; |
| ITensor *_output; |
| float _gamma; |
| float _beta; |
| float _epsilon; |
| bool _use_mixed_precision{ true }; |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_NEINSTANCENORMALIZATIONLAYERKERNEL_H */ |