diff options
Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/mergeresults.hpp')
-rw-r--r-- | src/core/NEON/kernels/arm_gemm/mergeresults.hpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/mergeresults.hpp b/src/core/NEON/kernels/arm_gemm/mergeresults.hpp new file mode 100644 index 0000000000..2ab01d680c --- /dev/null +++ b/src/core/NEON/kernels/arm_gemm/mergeresults.hpp @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2017-2018 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. + */ +#pragma once + +/* As some of the merges need these headers, but are all included in the + * arm_gemm namespace, put these headers here. */ +#include <arm_neon.h> + +#include "asmlib.hpp" +#include "utils.hpp" + +namespace arm_gemm +{ +template <unsigned int width, unsigned int height, typename Tin, typename Tout> +inline void MergeResults(Tout *out, const Tin *in, int ldc, int y0, int ymax, int x0, int xmax, const Tout alpha, const Tout beta) +{ + int full_y_blocks = (ymax - y0) / height; + int y_remainder = (ymax - y0) % height; + int y_blocks = full_y_blocks + (y_remainder ? 1 : 0); + + int full_x_blocks = (xmax - x0) / width; + int x_remainder = (xmax - x0) % width; + int x_blocks = full_x_blocks + (x_remainder ? 1 : 0); + + for(int y_block = 0; y_block < y_blocks; y_block++) + { + int ybase = y0 + (y_block * height); + + int fill_rows = (y_block < full_y_blocks) ? height : y_remainder; + + for(int x_block = 0; x_block < x_blocks; x_block++) + { + int xbase = x0 + (x_block * width); + + int fill_cols = (x_block < full_x_blocks) ? width : x_remainder; + + for(int row = 0; row < fill_rows; row++) + { + for(int col = 0; col < fill_cols; col++) + { + Tout &p = out[(ybase + row) * ldc + xbase + col]; + + p = (p * alpha) + (beta * in[row * width + col]); + } + } + + in += (width * height); + } + } +} + +#include "merges/list.hpp" + +} // namespace arm_gemm |