Manuel Bottini | 24b8920 | 2021-07-01 18:13:33 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017-2021 Arm Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #ifndef ARM_COMPUTE_CPU_COL2IM_KERNEL_H |
| 25 | #define ARM_COMPUTE_CPU_COL2IM_KERNEL_H |
| 26 | |
| 27 | #include "arm_compute/core/Size2D.h" |
| 28 | #include "src/core/common/Macros.h" |
Georgios Pinitas | 7891a73 | 2021-08-20 21:39:25 +0100 | [diff] [blame] | 29 | #include "src/cpu/ICpuKernel.h" |
Manuel Bottini | 24b8920 | 2021-07-01 18:13:33 +0100 | [diff] [blame] | 30 | |
| 31 | namespace arm_compute |
| 32 | { |
| 33 | namespace cpu |
| 34 | { |
| 35 | namespace kernels |
| 36 | { |
| 37 | /** Kernel to perform col2im reshaping. |
| 38 | * |
| 39 | * Rearranges each matrix column into image blocks. It's the inverse operation of @ref CpuIm2ColKernel. |
| 40 | * |
| 41 | * For example, a vector of 9 elements can be reshaped to a block(image) of 3x3: |
| 42 | * |
| 43 | * @f[ |
| 44 | * \left( \begin{array}{ccccccccc} |
| 45 | * a0 & a1 & a2 & a3 & a4 & a5 & a6 & a7 & a8 \\ |
| 46 | * \end{array} \right) |
| 47 | * \rightarrow |
| 48 | * \left( \begin{array}{ccc} |
| 49 | * a0 & a1 & a2 \\ |
| 50 | * a3 & a4 & a5 \\ |
| 51 | * a6 & a7 & a8 \\ |
| 52 | * \end{array} \right) |
| 53 | * @f] |
| 54 | */ |
| 55 | class CpuCol2ImKernel : public ICpuKernel |
| 56 | { |
| 57 | public: |
| 58 | /** Default constructor */ |
| 59 | CpuCol2ImKernel() = default; |
| 60 | ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuCol2ImKernel); |
| 61 | /** Set the input and output of the kernel. |
| 62 | * |
| 63 | * @param[in] src The input tensor info to convert. Data types supported: All |
| 64 | * @param[out] dst The output tensor info. 3 lower dimensions represent a single output [width, height, OFM], |
| 65 | * while the rest represent batch of outputs. Data types supported: Same as @p input |
| 66 | * @param[in] convolved_dims Output convolved dimensions. |
| 67 | */ |
| 68 | void configure(const ITensorInfo *src, ITensorInfo *dst, const Size2D &convolved_dims); |
| 69 | /** Static function to check if given info will lead to a valid configuration |
| 70 | * |
| 71 | * Similar to CpuCol2ImKernel::configure() |
| 72 | * |
| 73 | * @return a status |
| 74 | */ |
| 75 | static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const Size2D &convolved_dims); |
| 76 | |
| 77 | // Inherited methods overridden: |
| 78 | void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; |
| 79 | const char *name() const override; |
| 80 | |
| 81 | private: |
| 82 | Size2D _convolved_dims{}; |
| 83 | }; |
| 84 | } // namespace kernels |
| 85 | } // namespace cpu |
| 86 | } // namespace arm_compute |
| 87 | #endif /*ARM_COMPUTE_CPU_COL2IM_KERNEL_H */ |