1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
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;
}
}
}
}
|
