Manuel Bottini | cfac51c | 2021-06-18 15:47:28 +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 | cfac51c | 2021-06-18 15:47:28 +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_GEMMLOWP_OFFSETCONTRIBUTION_KERNEL_H |
| 25 | #define ARM_COMPUTE_CPU_GEMMLOWP_OFFSETCONTRIBUTION_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 | cfac51c | 2021-06-18 15:47:28 +0100 | [diff] [blame] | 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | namespace cpu |
| 33 | { |
| 34 | namespace kernels |
| 35 | { |
| 36 | /** Kernel used to add the offset contribution after @ref CpuGemmLowpMatrixMultiplyKernel. The computation is performed in-place |
| 37 | * |
| 38 | * This kernel takes a final int32 accumulator value (the output of @ref CpuGemmLowpMatrixMultiplyKernel), |
| 39 | * and adds to it the offset contribution of matrix A and matrix B in-place. |
| 40 | * |
| 41 | * The final result is: |
| 42 | * |
| 43 | * mm_result[i][k] = mm_result[i][k] + |
| 44 | * (vector_sum_col[k] * a_offset) + |
| 45 | * (vector_sum_row[i] * b_offset) + |
| 46 | * (a_offset * b_offset * k) |
| 47 | * |
| 48 | */ |
Giorgio Arena | 5ae8d80 | 2021-11-18 18:02:13 +0000 | [diff] [blame^] | 49 | class CpuGemmLowpOffsetContributionKernel : public NewICpuKernel<CpuGemmLowpOffsetContributionKernel> |
Manuel Bottini | cfac51c | 2021-06-18 15:47:28 +0100 | [diff] [blame] | 50 | { |
| 51 | public: |
| 52 | /** Default constructor */ |
| 53 | CpuGemmLowpOffsetContributionKernel() = default; |
| 54 | ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuGemmLowpOffsetContributionKernel); |
| 55 | /** Initialise the kernel's input and output. |
| 56 | * |
| 57 | * @param[in, out] mm_result Input tensor containing the result of @ref CpuGemmLowpMatrixMultiplyKernel. Data type supported: S32 |
| 58 | * @param[in] vector_sum_col Input row-vector of sums of all the entries in each column of matrix B. |
| 59 | * Note: vector_sum_col can be a nullptr in case a_offset = 0. Data type supported: same as @p mm_result |
| 60 | * @param[in] vector_sum_row Input row-vector of sums of all the entries in each row of matrix A. |
| 61 | * Note: vector_sum_row can be a nullptr in case b_offset = 0. Data type supported: same as @p mm_result |
| 62 | * @param[in] k Number of matrix A columns or Matrix B rows |
| 63 | * @param[in] a_offset Offset to be added to each element of the matrix A. |
| 64 | * @param[in] b_offset Offset to be added to each element of the matrix B. |
| 65 | */ |
| 66 | void configure(ITensorInfo *mm_result, ITensorInfo *vector_sum_col, ITensorInfo *vector_sum_row, int32_t k, int32_t a_offset, int32_t b_offset); |
| 67 | /** Static function to check if given info will lead to a valid configuration |
| 68 | * |
| 69 | * Similar to CpuGemmLowpOffsetContributionKernel::configure() |
| 70 | * |
| 71 | * @return a status |
| 72 | */ |
| 73 | static Status validate(const ITensorInfo *mm_result, const ITensorInfo *vector_sum_col, const ITensorInfo *vector_sum_row, int32_t a_offset, int32_t b_offset); |
| 74 | |
| 75 | // Inherited methods overridden: |
| 76 | void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; |
| 77 | const char *name() const override; |
| 78 | |
| 79 | private: |
| 80 | int32_t _a_offset{ 0 }; |
| 81 | int32_t _b_offset{ 0 }; |
| 82 | int32_t _k_offset{ 0 }; |
| 83 | bool _slide_vector_sum_col{ true }; |
| 84 | }; |
| 85 | } // namespace kernels |
| 86 | } // namespace cpu |
| 87 | } // namespace arm_compute |
| 88 | #endif /* ARM_COMPUTE_CPU_GEMMLOWP_OFFSETCONTRIBUTION_KERNEL_H */ |