diff options
Diffstat (limited to 'src/core/NEON/kernels/arm_conv/depthwise/premultiply.cpp')
-rw-r--r-- | src/core/NEON/kernels/arm_conv/depthwise/premultiply.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_conv/depthwise/premultiply.cpp b/src/core/NEON/kernels/arm_conv/depthwise/premultiply.cpp new file mode 100644 index 0000000000..8a49c775d3 --- /dev/null +++ b/src/core/NEON/kernels/arm_conv/depthwise/premultiply.cpp @@ -0,0 +1,84 @@ +/* + * 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; + + unsigned int num_blocks = input_channels / BLOCK_SIZE; + for(unsigned int c = 0; c < num_blocks; c++) + { + 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; + } + } + + unsigned int rem = input_channels - num_blocks * BLOCK_SIZE; + for(unsigned int c = 0; c < rem; c++) + { + float val = ip[c]; + for(unsigned int r = 0; r < CHANNEL_MULTIPLIER; r++) + { + op[r] = val; + } + op += CHANNEL_MULTIPLIER; + } + + ip2 += ld_col; + op2 += out_ld_col; + } + } +} |