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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* Copyright (c) 2020-2022 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 "arm_compute/core/Helpers.h"
#include "arm_compute/core/ITensorPack.h"
#include "arm_compute/core/Window.h"
#include "arm_compute/core/experimental/Types.h"
#include <cmath>
#include <cstddef>
#include "src/core/NEON/SVEMath.h"
#include "src/core/NEON/SVESymm.h"
#include <arm_sve.h>
namespace arm_compute
{
namespace cpu
{
void sve2_qsymm16_activation(const ITensor *src, ITensor *dst, const ActivationLayerInfo &act_info, const Window &window)
{
const auto window_start_x = static_cast<int>(window.x().start());
const auto window_end_x = static_cast<int>(window.x().end());
const ActivationLayerInfo::ActivationFunction act = act_info.activation();
Window win_collapsed = window.collapse_if_possible(window, Window::DimZ);
win_collapsed.set(Window::DimX, Window::Dimension(0, 1, 1));
Iterator input(src, win_collapsed);
Iterator output(dst, win_collapsed);
const UniformQuantizationInfo qi_in = src->info()->quantization_info().uniform();
const UniformQuantizationInfo qi_out = dst->info()->quantization_info().uniform();
const auto vconst_1 = svdup_n_f32(1.f);
const auto va_f32 = svdup_n_f32(act_info.a());
const auto vb_f32 = svdup_n_f32(act_info.b());
execute_window_loop(win_collapsed, [&](const Coordinates &)
{
const auto input_ptr = reinterpret_cast<const int16_t *>(input.ptr());
const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr());
svint16_t tmp;
int x = window_start_x;
svbool_t pg = svwhilelt_b16(x, window_end_x);
do
{
const auto vin = svld1_s16(pg, input_ptr + x);
if(act == ActivationLayerInfo::ActivationFunction::LOGISTIC)
{
// De-quantize
auto vin_deq = svdequantize_qsymm16_z(pg, vin, qi_in.scale);
// Perform activation
const svfloat32x2_t tmp_dep =
{
{ {
svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget2_f32(vin_deq, 0))))),
svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget2_f32(vin_deq, 1))))),
}
}
};
// Re-quantize to new output space
tmp = svquantize_qsymm16_z(pg, tmp_dep, qi_out.scale);
}
else if(act == ActivationLayerInfo::ActivationFunction::TANH)
{
// De-quantize
auto vin_deq = svdequantize_qsymm16_z(pg, vin, qi_in.scale);
// Perform activation
const svfloat32x2_t tmp_dep =
{
{ {
svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget2_f32(vin_deq, 0), vb_f32))),
svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget2_f32(vin_deq, 1), vb_f32))),
}
}
};
// Re-quantize to new output space
tmp = svquantize_qsymm16_z(pg, tmp_dep, qi_out.scale);
}
else if(act == ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU)
{
// De-quantize
auto vin_deq = svdequantize_qsymm16_z(pg, vin, qi_in.scale);
// Perform activation
const svfloat32x2_t tmp_dep =
{
{ {
svmin_f32_z(pg,va_f32, svmax_f32_z(pg,vb_f32, svget2_f32(vin_deq, 0))),
svmin_f32_z(pg,va_f32, svmax_f32_z(pg,vb_f32, svget2_f32(vin_deq, 1))),
}
}
};
// Re-quantize to new output space
tmp = svquantize_qsymm16_z(pg, tmp_dep, qi_out.scale);
}
else
{
ARM_COMPUTE_ERROR("Unsupported activation function");
}
svst1_s16(pg, output_ptr + x, tmp);
x += svcnth();
pg = svwhilelt_b16(x, window_end_x);
}
while(svptest_any(svptrue_b16(), pg));
},
input, output);
}
} // namespace cpu
} // namespace arm_compute
|
