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Diffstat (limited to 'arm_compute/runtime/NEON/functions/NEGEMMLowp.h')
| -rw-r--r-- | arm_compute/runtime/NEON/functions/NEGEMMLowp.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arm_compute/runtime/NEON/functions/NEGEMMLowp.h b/arm_compute/runtime/NEON/functions/NEGEMMLowp.h new file mode 100644 index 0000000000..bfb1a494b8 --- /dev/null +++ b/arm_compute/runtime/NEON/functions/NEGEMMLowp.h @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2017 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_NEGEMMLOWP_H__ +#define __ARM_COMPUTE_NEGEMMLOWP_H__ + +#include "arm_compute/core/NEON/INEKernel.h" +#include "arm_compute/runtime/IFunction.h" +#include "arm_compute/runtime/Tensor.h" + +#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h" +#include "arm_compute/core/NEON/kernels/NEGEMMInterleave4x4Kernel.h" +#include "arm_compute/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h" +#include "arm_compute/core/NEON/kernels/NEGEMMTranspose1xWKernel.h" + +namespace arm_compute +{ +class ITensor; + +/** Basic function to execute GEMMLowp on NEON. This function calls the following NEON kernels: +* +* -# @ref NEGEMMInterleave4x4Kernel +* -# @ref NEGEMMTranspose1xWKernel +* -# @ref NEGEMMLowpMatrixMultiplyKernel +* +*/ +class NEGEMMLowp : public IFunction +{ +public: + /** Constructor */ + NEGEMMLowp(); + /** Initialise the kernel's inputs, output + * + * @note GEMM_LOWP: low precision GEMM kernel + * This kernel performs the following computation: + * + * -# Convert a values from uint8 to int32 and add a_offset to each of them. + * -# Convert b values from uint8 to int32 and add b_offset to each of them. + * -# Compute the int32 matrix product of the resulting a * b. + * -# Add output_offset to each entry of the result. + * -# Multiply each entry of the result and round to the nearest integer + * -# Clamp the resulting int32 values to the [0..255] range and cast to uint8. + * + * @param[in] a First input tensor (Matrix A). Data type supported: U8. + * @param[in] b Second input tensor (Matrix B). Data type supported: same as @p a + * @param[out] output Output tensor. Data type supported: same as @p a. + * @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_offset Offset to be added to each element of the output matrix + * @param[in] output_mult_int Value to be multiplied to each element of the output matrix + * @param[in] shift Number of bits to shift right the result. + */ + void configure(const ITensor *a, const ITensor *b, ITensor *output, int32_t a_offset, int32_t b_offset, int32_t output_offset, int32_t output_mult_int, int32_t shift); + // Inherited methods overridden: + void run() override; + +private: + NEGEMMInterleave4x4Kernel _interleave_kernel; + NEGEMMTranspose1xWKernel _transpose_kernel; + NEGEMMLowpMatrixMultiplyKernel _mm_kernel; + Tensor _tmp_a; + Tensor _tmp_b; +}; +} +#endif /*__ARM_COMPUTE_NEGEMMLOWP_H__ */ |