| /* |
| * Copyright (c) 2017-2021 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_CPU_COL2IM_KERNEL_H |
| #define ARM_COMPUTE_CPU_COL2IM_KERNEL_H |
| |
| #include "arm_compute/core/Size2D.h" |
| #include "src/core/common/Macros.h" |
| #include "src/core/cpu/ICpuKernel.h" |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| namespace kernels |
| { |
| /** Kernel to perform col2im reshaping. |
| * |
| * Rearranges each matrix column into image blocks. It's the inverse operation of @ref CpuIm2ColKernel. |
| * |
| * For example, a vector of 9 elements can be reshaped to a block(image) of 3x3: |
| * |
| * @f[ |
| * \left( \begin{array}{ccccccccc} |
| * a0 & a1 & a2 & a3 & a4 & a5 & a6 & a7 & a8 \\ |
| * \end{array} \right) |
| * \rightarrow |
| * \left( \begin{array}{ccc} |
| * a0 & a1 & a2 \\ |
| * a3 & a4 & a5 \\ |
| * a6 & a7 & a8 \\ |
| * \end{array} \right) |
| * @f] |
| */ |
| class CpuCol2ImKernel : public ICpuKernel |
| { |
| public: |
| /** Default constructor */ |
| CpuCol2ImKernel() = default; |
| ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuCol2ImKernel); |
| /** Set the input and output of the kernel. |
| * |
| * @param[in] src The input tensor info to convert. Data types supported: All |
| * @param[out] dst The output tensor info. 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] convolved_dims Output convolved dimensions. |
| */ |
| void configure(const ITensorInfo *src, ITensorInfo *dst, const Size2D &convolved_dims); |
| /** Static function to check if given info will lead to a valid configuration |
| * |
| * Similar to CpuCol2ImKernel::configure() |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const Size2D &convolved_dims); |
| |
| // Inherited methods overridden: |
| void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; |
| const char *name() const override; |
| |
| private: |
| Size2D _convolved_dims{}; |
| }; |
| } // namespace kernels |
| } // namespace cpu |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_CPU_COL2IM_KERNEL_H */ |