| /* |
| * Copyright (c) 2017-2018 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_NEGEMMWINOGRADLAYERKERNEL_H__ |
| #define __ARM_COMPUTE_NEGEMMWINOGRADLAYERKERNEL_H__ |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/NEON/kernels/winograd/convolution.hpp" |
| #include "arm_compute/core/NEON/kernels/winograd/tensor.hpp" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| class NEWinogradLayerKernel; |
| |
| class Winograd3x3F32 final |
| { |
| public: |
| /** Create a new Winograd convolution layer. |
| * |
| * @param[in] n_batches Number of batches in the input and output tensors. |
| * @param[in] n_input_channels Number of feature maps in a batch of the input tensor. |
| * @param[in] n_input_rows Number of rows in a feature map of the input tensor. |
| * @param[in] n_input_cols Number of columns in a feature map of the input tensor. |
| * @param[in] n_output_channels Number of feature maps in the output tensor. |
| * @param[in] same_padding Use "SAME" padding, otherwise use "VALID". |
| * @param[in] weights Pointer to weight tensor in spatial domain. Must be ordered as "Height x Rows x Input Feature Maps x Output Feature Maps. |
| * @param[out] weights_storage Pointer to storage for weight tensor in the Winograd domain. Must be at least the size returned by `get_weight_storage_size |
| * @param[in] input Pointer to NHWC ordered input tensor, in the spatial domain. |
| * @param[out] winograd_input Pointer to working space for the input tensor in the Winograd domain. Must be at least the size returned by `get_input_storage_size`. |
| * @param[out] output Pointer to NHWC ordered output tensor, in the spatial domain. |
| * @param[out] winograd_output Pointer to working space for the output tensor in the Winograd domain. Must be at least the size returned by `get_output_storage_size`. |
| */ |
| friend class NEWinogradLayerKernel; |
| Winograd3x3F32( |
| const int n_batches, |
| const int n_input_channels, |
| const int n_input_rows, |
| const int n_input_cols, |
| const int n_output_channels, |
| const bool same_padding, |
| const float *const weights, |
| float *const weights_storage, |
| const float *const input, |
| float *const winograd_input, |
| float *const output, |
| float *const winograd_output); |
| |
| ~Winograd3x3F32(); |
| void transform_weights(); |
| void transform_input(); |
| void transform_output(); |
| |
| private: |
| class Private; |
| std::unique_ptr<Private> _pimpl; |
| }; |
| |
| class NEWinogradLayerKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NEWinogradLayerKernel"; |
| } |
| /** Constructor */ |
| NEWinogradLayerKernel(); |
| |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEWinogradLayerKernel(const NEWinogradLayerKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEWinogradLayerKernel &operator=(const NEWinogradLayerKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NEWinogradLayerKernel(NEWinogradLayerKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NEWinogradLayerKernel &operator=(NEWinogradLayerKernel &&) = default; |
| |
| virtual ~NEWinogradLayerKernel() = default; |
| |
| /** Initialise the kernel |
| * |
| * @param[in] convolver A pointer to the winograd convolver, this object must have been configured and is ready to execute 16 GEMMS . |
| */ |
| void configure(Winograd3x3F32 *convolver); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| /** Determine how much memory (in units of TIn) to allocate for the |
| * transformed weights. |
| * |
| * @param[in] n_output_channels Number of output feature maps. |
| * @param[in] n_input_channels Number of input feature maps. |
| */ |
| static unsigned int get_weight_storage_size( |
| const int n_output_channels, |
| const int n_input_channels); |
| |
| /** Determine how much memory (in units of TIn) to allocate for the |
| * transformed input. |
| * |
| * @param[in] n_batches Number of batches in the input tensor. |
| * @param[in] n_channels Number of feature maps in the input tensor. |
| * @param[in] n_rows Number of rows in each feature map. |
| * @param[in] n_cols Number of columns in each feature map. |
| * @param[in] same_padding Use "SAME" padding, otherwise use "VALID". |
| */ |
| static unsigned int get_input_storage_size( |
| const int n_batches, |
| const int n_channels, |
| const int n_rows, |
| const int n_cols, |
| const bool same_padding); |
| |
| /** Determine how much memory (in units of TOut) to allocate for the |
| * (Winograd domain) output. |
| * |
| * @param[in] n_batches Number of batches in the output tensor. |
| * @param[in] n_rows Number of rows in each feature map of the input tensor. |
| * @param[in] n_cols Number of columns in each feature map of the input tensor. |
| * @param[in] n_output_channels Number of feature maps in the output tensor. |
| * @param[in] same_padding Use "SAME" padding, otherwise use "VALID". |
| */ |
| static unsigned int get_output_storage_size( |
| const int n_batches, |
| const int n_rows, |
| const int n_cols, |
| const int n_output_channels, |
| const bool same_padding); |
| |
| protected: |
| Winograd3x3F32 *_convolver; |
| }; |
| |
| } // namespace arm_compute |
| #endif /*__ARM_COMPUTE_NEGEMMWINOGRADLAYERKERNEL_H__*/ |