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Diffstat (limited to 'src/core/cpu/kernels/CpuGemmLowpOffsetContributionOutputStageKernel.h')
| -rw-r--r-- | src/core/cpu/kernels/CpuGemmLowpOffsetContributionOutputStageKernel.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/src/core/cpu/kernels/CpuGemmLowpOffsetContributionOutputStageKernel.h b/src/core/cpu/kernels/CpuGemmLowpOffsetContributionOutputStageKernel.h deleted file mode 100644 index 404f2c9496..0000000000 --- a/src/core/cpu/kernels/CpuGemmLowpOffsetContributionOutputStageKernel.h +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright (c) 2019-2021 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_GEMMLOWP_OFFSETCONTRIBUTION_OUTPUTSTAGE_KERNEL_H -#define ARM_COMPUTE_CPU_GEMMLOWP_OFFSETCONTRIBUTION_OUTPUTSTAGE_KERNEL_H - -#include "arm_compute/core/KernelDescriptors.h" -#include "src/core/common/Macros.h" -#include "src/core/cpu/ICpuKernel.h" - -namespace arm_compute -{ -namespace cpu -{ -namespace kernels -{ -/** Kernel used to add the offset contribution and perform the output stage after @ref CpuGemmLowpMatrixMultiplyKernel. - * - * The computation is performed in-place - * - * This kernel takes a final int32 accumulator value (the output of @ref CpuGemmLowpMatrixMultiplyKernel), - * and adds to it the offset contribution of matrix A and matrix B in-place. - * - * The output stage can perform either QuantizeDownInt32ToUint8Scale or QuantizeDownInt32ToUint8ScaleByFixedPoint for Uint8. - * The output stage can perform either QuantizeDownInt32ToInt8Scale or QuantizeDownInt32ToInt8ScaleByFixedPoint for Int8. - * - * For QuantizeDownInt32ToUint8Scale/QuantizeDownInt32ToInt8Scale the final result is: - * - * ((mm_result'[i][k] + result_offset) * result_mult_int) >> result_shift - * - * For QuantizeDownInt32ToUint8ScaleByFixedPoint/QuantizeDownInt32ToInt8ScaleByFixedPoint the final result is: - * - * (FixedPointMul(mm_result'[i][k], result_fixedpoint_multiplier) >> result_shift) + result_offset_after_shift - * - * where FixedPointMul(x, y) is the nearest integer to the following - * mathematical expression, evaluated without overflow or intermediate rounding: - * - * (x * y) / 2^31 - * - * and mm_result'[i][k] = mm_result[i][k] + - * (vector_sum_col[k] * a_offset) + - * (vector_sum_row[i] * b_offset) + - * (a_offset * b_offset * k) - */ - -class CpuGemmLowpOffsetContributionOutputStageKernel : public ICpuKernel -{ -public: - /** Default constructor */ - CpuGemmLowpOffsetContributionOutputStageKernel() = default; - ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuGemmLowpOffsetContributionOutputStageKernel); - /** Initialise the kernel inputs and output. - * - * @param[in] mm_result Input tensor info containing the result of @ref CpuGemmLowpMatrixMultiplyKernel. Data type supported: S32 - * @param[in] vector_sum_col Input row-vector tensor info of sums of all the entries in each column of matrix B. - * Note: vector_sum_col can be a nullptr in case a_offset = 0. Data type supported: same as @p mm_result - * @param[in] vector_sum_row Input row-vector tensor info of sums of all the entries in each row of matrix A. - * @param[in] bias Biases tensor info. Only shared biases supported and it can be a nullptr if the addition of biases is not required. - * Biases are 1D tensor with dimensions [OFM]. Data type supported: Same as @p mm_result. - * @param[out] dst Output tensor info containing the final quantized result. Data type supported: QASYMM8/QASYMM8_SIGNED - * @param[in] k Number of matrix A columns or Matrix B rows - * @param[in] a_offset Offset to be added to each element of the matrix A. - * @param[in] b_offset Offset to be added to each element of the matrix B. - * @param[in] output_stage GEMMLowp output stage info, providing the type of quantization and the necessary parameters. - */ - void configure(const ITensorInfo *mm_result, const ITensorInfo *vector_sum_col, const ITensorInfo *vector_sum_row, const ITensorInfo *bias, ITensorInfo *dst, int32_t k, int32_t a_offset, - int32_t b_offset, - GEMMLowpOutputStageInfo output_stage); - /** Static function to check if given info will lead to a valid configuration - * - * Similar to CpuGemmLowpOffsetContributionOutputStageKernel::configure() - * - * @return a status - */ - static Status validate(const ITensorInfo *mm_result, const ITensorInfo *vector_sum_col, const ITensorInfo *vector_sum_row, const ITensorInfo *bias, const ITensorInfo *dst, int32_t a_offset, - int32_t b_offset, - GEMMLowpOutputStageInfo output_stage); - - // Inherited methods overridden: - void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; - const char *name() const override; - -private: - /** Function to use for the particular tensors passed to configure() */ - int32_t _a_offset{ 0 }; - int32_t _b_offset{ 0 }; - int32_t _k_offset{ 0 }; - bool _slide_vector_sum_col{ true }; - GEMMLowpOutputStageInfo _output_stage{ GEMMLowpOutputStageInfo() }; -}; -} // namespace kernels -} // namespace cpu -} // namespace arm_compute -#endif /* ARM_COMPUTE_CPU_GEMMLOWP_OFFSETCONTRIBUTION_OUTPUTSTAGE_KERNEL_H */ |