| /* |
| * 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. |
| */ |
| |
| #include <premultiply.hpp> |
| |
| #define CHANNEL_MULTIPLIER 6 |
| #define BLOCK_SIZE 4 |
| |
| 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) |
| { |
| for(unsigned int i = 0; i < tile_rows; i++) |
| { |
| const float *ip2 = in_ptr + i * ld_row; |
| float *op2 = out_ptr + i * out_ld_row; |
| for(unsigned int j = 0; j < tile_cols; j++) |
| { |
| const float *ip = ip2; |
| float *op = op2; |
| for(unsigned int c = 0; c < input_channels; c += BLOCK_SIZE) |
| { |
| float vals[BLOCK_SIZE]; |
| for(unsigned int v = 0; v < BLOCK_SIZE; v++) |
| { |
| vals[v] = ip[v]; |
| } |
| ip += BLOCK_SIZE; |
| |
| for(unsigned int v = 0; v < BLOCK_SIZE; v++) |
| { |
| for(unsigned int r = 0; r < CHANNEL_MULTIPLIER; r++) |
| { |
| op[r] = vals[v]; |
| } |
| op += CHANNEL_MULTIPLIER; |
| } |
| } |
| ip2 += ld_col; |
| op2 += out_ld_col; |
| } |
| } |
| } |