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_CL_COL2IM_KERNEL_H 25 #define ARM_COMPUTE_CL_COL2IM_KERNEL_H 26 27 #include "arm_compute/core/Size2D.h" 28 #include "src/core/common/Macros.h" 29 #include "src/gpu/cl/ClCompileContext.h" 30 #include "src/gpu/cl/IClKernel.h" 31 32 namespace arm_compute 33 { 34 namespace opencl 35 { 36 namespace kernels 37 { 38 /** Interface for the col2im reshaping kernel. 39 * 40 * Rearranges each matrix column into image blocks. It's the inverse operation of @ref opencl::kernels::ClIm2ColKernel. 41 * 42 * For example, a vector of 9 elements can be reshaped to a block(image) of 3x3: 43 * 44 * @f[ 45 * \left( \begin{array}{ccccccccc} 46 * a0 & a1 & a2 & a3 & a4 & a5 & a6 & a7 & a8 \\ 47 * \end{array} \right) 48 * \rightarrow 49 * \left( \begin{array}{ccc} 50 * a0 & a1 & a2 \\ 51 * a3 & a4 & a5 \\ 52 * a6 & a7 & a8 \\ 53 * \end{array} \right) 54 * @f] 55 */ 56 class ClCol2ImKernel : public IClKernel 57 { 58 public: 59 /** Default constructor */ 60 ClCol2ImKernel(); 61 ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClCol2ImKernel); 62 /** Set the input and output of the kernel. 63 * 64 * @param[in] compile_context The compile context to be used. 65 * @param[in] src The input tensor info to convert. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32 66 * @param[out] dst The output tensor info. 3 lower dimensions represent a single output [width, height, OFM], 67 * while the rest represent batch of outputs. Data types supported: Same as @p input. Data layout: NCHW 68 * @param[in] convolved_dims Output convolved dimensions. 69 * @param[in] num_groups (Optional) Number of groups when performing a grouped convolution 70 */ 71 void configure(const CLCompileContext &compile_context, ITensorInfo *src, ITensorInfo *dst, const Size2D &convolved_dims, unsigned int num_groups = 1); 72 /** Static function to check if given info will lead to a valid configuration 73 * 74 * Similar to ClCol2ImKernel::configure() 75 * 76 * @return a status 77 */ 78 static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const Size2D &convolved_dims, unsigned int num_groups = 1); 79 80 // Inherited methods overridden: 81 void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override; 82 83 public: 84 Size2D _convolved_dims; 85 }; 86 } // namespace kernels 87 } // namespace opencl 88 } // namespace arm_compute 89 #endif /*ARM_COMPUTE_CL_COL2IM_KERNEL_H */ 90