diff options
Diffstat (limited to 'src/core/NEON/kernels/assembly/premultiply.hpp')
-rw-r--r-- | src/core/NEON/kernels/assembly/premultiply.hpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/assembly/premultiply.hpp b/src/core/NEON/kernels/assembly/premultiply.hpp new file mode 100644 index 0000000000..fb97cf8baf --- /dev/null +++ b/src/core/NEON/kernels/assembly/premultiply.hpp @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2023 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. + */ + +void do_premultiply_float_6(const float *in_ptr, + const unsigned int ld_row, + const unsigned int ld_col, + float *out_ptr, + const unsigned int out_ld_row, + const unsigned int out_ld_col, + const unsigned int tile_rows, + const unsigned int tile_cols, + const unsigned input_channels); + +template <typename T> +void do_premultiply(const T *in_ptr, + const unsigned int ld_row, + const unsigned int ld_col, + T *out_ptr, + const unsigned int out_ld_row, + const unsigned int out_ld_col, + const unsigned int tile_rows, + const unsigned int tile_cols, + const unsigned input_channels, + const unsigned int channel_multiplier) +{ + if (sizeof(T) == 4 && channel_multiplier == 6) + { + do_premultiply_float_6((const float *)in_ptr, ld_row, ld_col, (float *)out_ptr, out_ld_row, out_ld_col, + tile_rows, tile_cols, input_channels); + } + else + { + for (unsigned int i = 0; i < tile_rows; i++) + { + const T *ip2 = in_ptr + i * ld_row; + T *op2 = out_ptr + i * out_ld_row; + for (unsigned int j = 0; j < tile_cols; j++) + { + const T *ip = ip2; + T *op = op2; + for (unsigned int c = 0; c < input_channels; c++) + { + T val = *ip; + ip++; + + for (unsigned int r = 0; r < channel_multiplier; r++) + { + op[r] = val; + } + op += channel_multiplier; + } + ip2 += ld_col; + op2 += out_ld_col; + } + } + } +} |