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Diffstat (limited to 'src/core/NEON/kernels/NEIm2ColKernel.h')
| -rw-r--r-- | src/core/NEON/kernels/NEIm2ColKernel.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/src/core/NEON/kernels/NEIm2ColKernel.h b/src/core/NEON/kernels/NEIm2ColKernel.h deleted file mode 100644 index 6c1c631d82..0000000000 --- a/src/core/NEON/kernels/NEIm2ColKernel.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * 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_NEIM2COLKERNEL_H -#define ARM_COMPUTE_NEIM2COLKERNEL_H - -#include "src/core/NEON/INEKernel.h" - -namespace arm_compute -{ -class ITensor; -class Size2D; - -/** Interface for the im2col reshape kernel. - * - * Rearranges image blocks into columns. It is used to strip out each convolution block to a single column. - * It is used to transform a convolution to a plain matrix multiplication. - * - * For example taking into account the image below and assuming 3x3 image blocks with stride of 1 we have: - * - * @f[ - * \left( \begin{array}{cccc} - * a00 & a01 & a02 & a03 \\ - * a10 & a11 & a12 & a13 \\ - * a20 & a21 & a22 & a23 \\ - * a30 & a31 & a32 & a33 \\ - * \end{array} \right) - * \rightarrow - * \left( \begin{array}{ccccccccc} - * a00 & a01 & a02 & a10 & a11 & a12 & a20 & a21 & a22 \\ - * a01 & a02 & a03 & a11 & a12 & a13 & a21 & a22 & a23 \\ - * a10 & a11 & a12 & a20 & a21 & a22 & a30 & a31 & a32 \\ - * a11 & a12 & a13 & a21 & a22 & a23 & a31 & a32 & a33 \\ - * \end{array} \right) - * @f] - */ -class NEIm2ColKernel : public INEKernel -{ -public: - const char *name() const override - { - return "NEIm2ColKernel"; - } - /** Default constructor */ - NEIm2ColKernel(); - /** Prevent instances of this class from being copied (As this class contains pointers) */ - NEIm2ColKernel(const NEIm2ColKernel &) = delete; - /** Prevent instances of this class from being copied (As this class contains pointers) */ - NEIm2ColKernel &operator=(const NEIm2ColKernel &) = delete; - /** Allow instances of this class to be moved */ - NEIm2ColKernel(NEIm2ColKernel &&) = default; - /** Allow instances of this class to be moved */ - NEIm2ColKernel &operator=(NEIm2ColKernel &&) = default; - /** Default destructor */ - ~NEIm2ColKernel() = default; - - /** Set the input and output of the kernel. - * - * @param[in] input The input tensor to convert. 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: QASYMM8/QASYMM8_SIGNED/BFLOAT16/F16/F32 - * Note: QASYMM8/QASYMM8_SIGNED works only for has_bias = false - * @param[out] output The output tensor. Data types supported: Same as @p input - * @param[in] kernel_dims The kernel dimensions (width and height). - * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. - * @param[in] has_bias In case biases are provided expands the matrix with 1. - * @param[in] dilation (Optional) Dilation, in elements, across x and y. Defaults to (1, 1). - * @param[in] num_groups (Optional) Number of groups when performing a grouped convolution. num_groups != 1 is not supported - */ - void configure(const ITensor *input, ITensor *output, const Size2D &kernel_dims, const PadStrideInfo &conv_info, - bool has_bias, const Size2D &dilation = Size2D(1U, 1U), unsigned int num_groups = 1); - /** Static function to check if given info will lead to a valid configuration of @ref NEIm2ColKernel - * - * @param[in] input The input tensor to convert. 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: QASYMM8/QASYMM8_SIGNED/BFLOAT16/F16/F32 - * Note: QASYMM8/QASYMM8_SIGNED works only for has_bias = false - * @param[in] output The output tensor. Data types supported: Same as @p input - * @param[in] kernel_dims The kernel dimensions (width and height). - * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. - * @param[in] has_bias In case biases are provided expands the matrix with 1. - * @param[in] dilation (Optional) Dilation, in elements, across x and y. Defaults to (1, 1). - * @param[in] num_groups (Optional) Number of groups when performing a grouped convolution. num_groups != 1 is not supported - * - * @return a status - */ - static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Size2D &kernel_dims, const PadStrideInfo &conv_info, - bool has_bias, const Size2D &dilation = Size2D(1U, 1U), unsigned int num_groups = 1); - - // Inherited methods overridden: - void run(const Window &window, const ThreadInfo &info) override; - -private: - /** Template function to run im2col - * - * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). - */ - template <typename T, bool has_pads, bool is_nchw> - void run_im2col(const Window &window); - - /** Common signature for all the specialised im2col functions - * - * @param[in] window Region on which to execute the kernel. - */ - using Im2ColFunctionPtr = void (NEIm2ColKernel::*)(const Window &window); - - Im2ColFunctionPtr _func; - const ITensor *_input; - ITensor *_output; - std::pair<unsigned int, unsigned int> _convolved_dims; - PadStrideInfo _conv_info; - unsigned int _kernel_width; - unsigned int _kernel_height; - bool _has_bias; - Size2D _dilation; - DataLayout _data_layout; -}; -} // namespace arm_compute -#endif /*ARM_COMPUTE_NEIM2COLKERNEL_H */ |