Manuel Bottini | 29599d0 | 2021-07-06 15:01:35 +0100 | [diff] [blame] | 1 | /* |
Giorgio Arena | 5ae8d80 | 2021-11-18 18:02:13 +0000 | [diff] [blame] | 2 | * Copyright (c) 2017-2022 Arm Limited. |
Manuel Bottini | 29599d0 | 2021-07-06 15:01:35 +0100 | [diff] [blame] | 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_WEIGHTSRESHAPE_KERNEL_H |
| 25 | #define ARM_COMPUTE_CPU_WEIGHTSRESHAPE_KERNEL_H |
| 26 | |
| 27 | #include "src/core/common/Macros.h" |
Georgios Pinitas | 7891a73 | 2021-08-20 21:39:25 +0100 | [diff] [blame] | 28 | #include "src/cpu/ICpuKernel.h" |
Manuel Bottini | 29599d0 | 2021-07-06 15:01:35 +0100 | [diff] [blame] | 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | namespace cpu |
| 33 | { |
| 34 | namespace kernels |
| 35 | { |
| 36 | /** Kernel to perform reshaping on the weights used by convolution and locally connected layer |
| 37 | * |
| 38 | * Rearranges each 3-dimensional kernel to a single row leading to a matrix with linearized kernels. |
| 39 | * In combination with the @ref cpu::kernels::CpuIm2ColKernel can transform a convolution to a matrix multiplication. |
| 40 | * |
| 41 | * For example assuming a 3D weight kernel of 3x3 dimensions and depth of 2 we have: |
| 42 | * @f[ |
| 43 | * \left( \begin{array}{ccc} |
| 44 | * a000 & a001 & a002 \\ |
| 45 | * a010 & a011 & a012 \\ |
| 46 | * a020 & a021 & a022 \\ |
| 47 | * \end{array} \right) |
| 48 | * \left( \begin{array}{ccc} |
| 49 | * a100 & a101 & a102 \\ |
| 50 | * a110 & a111 & a112 \\ |
| 51 | * a120 & a121 & a122 \\ |
| 52 | * \end{array} \right) |
| 53 | * \rightarrow |
| 54 | * \left( \begin{array}{ccccccccc} |
| 55 | * a000 & a001 & a002 & a010 & a011 & a012 & a020 & a021 & a022 & a100 & a101 & a102 & a110 & a111 & a112 & a120 & a121 & a122 \\ |
| 56 | * \end{array} \right) |
| 57 | * @f] |
| 58 | */ |
Yair Schwarzbaum | 46d44d2 | 2022-01-12 16:38:58 +0200 | [diff] [blame^] | 59 | class CpuWeightsReshapeKernel : public ICpuKernel<CpuWeightsReshapeKernel> |
Manuel Bottini | 29599d0 | 2021-07-06 15:01:35 +0100 | [diff] [blame] | 60 | { |
| 61 | public: |
| 62 | /** Default constructor */ |
| 63 | CpuWeightsReshapeKernel() = default; |
| 64 | ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuWeightsReshapeKernel); |
| 65 | /** Set the input and output of the kernel. |
| 66 | * |
| 67 | * @param[in] src The input tensor info to convert. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM] if shared, |
| 68 | * and 5D tensor with dimensions [kernel_x, kernel_y, IFM, OFM, num_patches] if unshared. |
| 69 | * Data types supported: All |
| 70 | * @param[in] biases The shared biases tensor info to append. Bias is 1D tensor with dimensions [OFM] if shared and 2D tensor with |
| 71 | * dimensions [OFM, num_patches] if unshared. Data types supported: Same as @p input |
| 72 | * @warning Appending biases to weights reshaped matrix is not supported for quantized asymmetric types. |
| 73 | * @param[out] dst The output tensor info. Data types supported: Same as @p src |
| 74 | */ |
| 75 | void configure(const ITensorInfo *src, const ITensorInfo *biases, ITensorInfo *dst); |
| 76 | /** Static function to check if given info will lead to a valid configuration |
| 77 | * |
| 78 | * Similar to CpuWeightsReshapeKernel::configure() |
| 79 | * |
| 80 | * @return a status |
| 81 | */ |
| 82 | static Status validate(const ITensorInfo *src, const ITensorInfo *biases, const ITensorInfo *dst); |
| 83 | |
| 84 | // Inherited methods overridden: |
| 85 | void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; |
| 86 | const char *name() const override; |
| 87 | }; |
| 88 | } // namespace kernels |
| 89 | } // namespace cpu |
| 90 | } // namespace arm_compute |
| 91 | #endif /* ARM_COMPUTE_CPU_WEIGHTSRESHAPE_KERNEL_H */ |