| /* |
| * Copyright (c) 2019-2021 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_NEFFTCONVOLUTIONLAYER_H |
| #define ARM_COMPUTE_NEFFTCONVOLUTIONLAYER_H |
| |
| #include "arm_compute/runtime/IFunction.h" |
| |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/NEON/functions/NEActivationLayer.h" |
| #include "arm_compute/runtime/NEON/functions/NEArithmeticAddition.h" |
| #include "arm_compute/runtime/NEON/functions/NEFFT2D.h" |
| #include "arm_compute/runtime/NEON/functions/NEPadLayer.h" |
| #include "arm_compute/runtime/NEON/functions/NEPermute.h" |
| #include "arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h" |
| #include "arm_compute/runtime/NEON/functions/NEReductionOperation.h" |
| #include "arm_compute/runtime/NEON/functions/NEReshapeLayer.h" |
| #include "arm_compute/runtime/NEON/functions/NEReverse.h" |
| #include "arm_compute/runtime/NEON/functions/NESlice.h" |
| |
| namespace arm_compute |
| { |
| // Forward declarations |
| class ITensor; |
| |
| /** Basic function to execute FFT-based convolution on Neon. This function calls the following Neon functions/kernels: |
| * |
| * -# @ref NEPermute Permute input if NHWC(only NCHW is supported). |
| * -# @ref NEPadLayer Pad input. |
| * -# @ref NEFFT2D Forward transform to the frequency domain. |
| * -# @ref NEComplexPixelWiseMultiplication Complex element-wise product of input and the weights. |
| * -# @ref NEReductionOperation Reduction across channels. |
| * -# @ref NEFFT2D Inverse transform back to the time domain. |
| * -# @ref NEStridedSlice Extract valid output. |
| * -# @ref NEArithmeticAddition Add bias. |
| * -# @ref NEActivationLayer Perform activation. |
| * -# @ref NEPermute Permute output if NHWC(only NCHW is supported). |
| */ |
| class NEFFTConvolutionLayer : public IFunction |
| { |
| public: |
| /** Default constructor */ |
| NEFFTConvolutionLayer(std::shared_ptr<IMemoryManager> memory_manager = nullptr); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEFFTConvolutionLayer(const NEFFTConvolutionLayer &) = delete; |
| /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| NEFFTConvolutionLayer(NEFFTConvolutionLayer &&) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEFFTConvolutionLayer &operator=(const NEFFTConvolutionLayer &) = delete; |
| /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| NEFFTConvolutionLayer &operator=(NEFFTConvolutionLayer &&) = delete; |
| /** Default destructor */ |
| ~NEFFTConvolutionLayer(); |
| /** Set the input and output tensors. |
| * |
| * @note: This function only works with any square kernel size and unit strides for both NCHW and NHWC data layout |
| * |
| * @param[in] input Source tensor. 3 lower dimensions represent a single input [width, height, IFM], |
| * while every optional dimension from 4 and above represent a batch of inputs. |
| * Data types supported: F32. |
| * @param[in] weights Weights tensor. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. Data type supported:Same as @p input. |
| * @param[in] biases Biases tensor. Shared biases supported. Biases are 1D tensor with dimensions [OFM].Data type supported: Same as @p input |
| * @param[out] output Destination tensor. 3 lower dimensions represent a single output [width, height, OFM], while the rest represent batch of outputs. |
| * Data types supported: Same as @p input. |
| * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. |
| * @param[in] act_info (Optional) Activation layer information in case of a fused activation. |
| * @param[in] enable_fast_math (Optional) Enable fast math computation. Unused for Neon backend. |
| */ |
| void configure(ITensor *input, const ITensor *weights, const ITensor *biases, ITensor *output, const PadStrideInfo &conv_info, |
| const ActivationLayerInfo &act_info = ActivationLayerInfo(), bool enable_fast_math = false); |
| /** Static function to check if given info will lead to a valid configuration of @ref NEFFTConvolutionLayer |
| * |
| * @note: This function only works with any square kernel size and unit strides for both NCHW and NHWC data layout |
| * |
| * @param[in] input Source tensor. 3 lower dimensions represent a single input [width, height, IFM], |
| * while every optional dimension from 4 and above represent a batch of inputs. |
| * Data types supported: F32. |
| * @param[in] weights Weights tensor. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. Data type supported:Same as @p input. |
| * @param[in] biases Biases tensor. Shared biases supported. Biases are 1D tensor with dimensions [OFM].Data type supported: Same as @p input |
| * @param[in] output Destination tensor. 3 lower dimensions represent a single output [width, height, OFM], while the rest represent batch of outputs. |
| * Data types supported: Same as @p input. |
| * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. |
| * @param[in] act_info (Optional) Activation layer information in case of a fused activation. |
| * @param[in] enable_fast_math (Optional) Enable fast math computation. Unused for Neon backend. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *weights, const ITensorInfo *biases, const ITensorInfo *output, const PadStrideInfo &conv_info, |
| const ActivationLayerInfo &act_info = ActivationLayerInfo(), bool enable_fast_math = false); |
| |
| // Inherited methods overridden: |
| void run() override; |
| void prepare() override; |
| |
| private: |
| MemoryGroup _memory_group; |
| NEReverse _flip_weights_func; |
| NEPermute _permute_input_func; |
| NEPermute _permute_output_func; |
| NEPermute _permute_weights_func; |
| NEPermute _permute_bias_func; |
| NEPadLayer _pad_input_func; |
| NEPadLayer _pad_weights_func; |
| NEFFT2D _transform_input_func; |
| std::unique_ptr<NEFFT2D> _transform_weights_func; |
| NEFFT2D _itransform_output_func; |
| NEComplexPixelWiseMultiplication _prod_func; |
| NEReductionOperation _reduce_func; |
| NESlice _extract_output_func; |
| NEArithmeticAddition _bias_add_func; |
| NEActivationLayer _activation_layer_func; |
| |
| Tensor _permuted_input; |
| Tensor _permuted_weights; |
| Tensor _permuted_bias; |
| Tensor _permuted_output; |
| Tensor _padded_input; |
| Tensor _padded_weights; |
| Tensor _flip_axis; |
| Tensor _flipped_weights; |
| Tensor _transformed_input; |
| Tensor _transformed_weights; |
| Tensor _input_weights_product; |
| Tensor _output_product; |
| Tensor _output_reduced; |
| Tensor _itransformed_output; |
| Tensor _reshaped_output; |
| Tensor _bias_output; |
| |
| const ITensor *_original_weights; |
| const ITensor *_original_bias; |
| bool _is_activationlayer_enabled; |
| bool _needs_permute; |
| bool _has_bias; |
| bool _is_prepared; |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_NEFFTCONVOLUTIONLAYER_H */ |