1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-dwconv/up-scalar.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2019 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9 
10 #include <assert.h>
11 
12 #include <xnnpack/dwconv.h>
13 #include <xnnpack/math.h>
14 
15 
xnn_f32_dwconv_ukernel_up2x4__scalar(size_t channels,size_t output_width,const float ** input,const float * weights,float * output,size_t input_stride,size_t output_increment,size_t input_offset,const float * zero,const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS (1)])16 void xnn_f32_dwconv_ukernel_up2x4__scalar(
17     size_t channels,
18     size_t output_width,
19     const float** input,
20     const float* weights,
21     float* output,
22     size_t input_stride,
23     size_t output_increment,
24     size_t input_offset,
25     const float* zero,
26     const union xnn_f32_default_params params[restrict XNN_MIN_ELEMENTS(1)])
27 {
28   assert(channels != 0);
29   assert(output_width != 0);
30 
31   do {
32     const float* i0 = input[0];
33     assert(i0 != NULL);
34     if XNN_UNPREDICTABLE(i0 != zero) {
35       i0 = (const float*) ((uintptr_t) i0 + input_offset);
36     }
37     const float* i1 = input[1];
38     assert(i1 != NULL);
39     if XNN_UNPREDICTABLE(i1 != zero) {
40       i1 = (const float*) ((uintptr_t) i1 + input_offset);
41     }
42     const float* i2 = input[2];
43     assert(i2 != NULL);
44     if XNN_UNPREDICTABLE(i2 != zero) {
45       i2 = (const float*) ((uintptr_t) i2 + input_offset);
46     }
47     const float* i3 = input[3];
48     assert(i3 != NULL);
49     if XNN_UNPREDICTABLE(i3 != zero) {
50       i3 = (const float*) ((uintptr_t) i3 + input_offset);
51     }
52     input = (const float**) ((uintptr_t) input + input_stride);
53 
54     size_t c = channels;
55     const float* w = weights;
56     for (; c >= 2; c -= 2) {
57       float vacc0p0 = w[0];
58       float vacc1p0 = w[1];
59 
60 
61       const float vi0x0 = i0[0];
62       const float vi0x1 = i0[1];
63       i0 += 2;
64 
65       const float vk0x0 = w[2];
66       vacc0p0 += vi0x0 * vk0x0;
67       const float vk0x1 = w[3];
68       vacc1p0 += vi0x1 * vk0x1;
69 
70       const float vi1x0 = i1[0];
71       const float vi1x1 = i1[1];
72       i1 += 2;
73 
74       const float vk1x0 = w[4];
75       vacc0p0 += vi1x0 * vk1x0;
76       const float vk1x1 = w[5];
77       vacc1p0 += vi1x1 * vk1x1;
78 
79       const float vi2x0 = i2[0];
80       const float vi2x1 = i2[1];
81       i2 += 2;
82 
83       const float vk2x0 = w[6];
84       vacc0p0 += vi2x0 * vk2x0;
85       const float vk2x1 = w[7];
86       vacc1p0 += vi2x1 * vk2x1;
87 
88       const float vi3x0 = i3[0];
89       const float vi3x1 = i3[1];
90       i3 += 2;
91 
92       const float vk3x0 = w[8];
93       vacc0p0 += vi3x0 * vk3x0;
94       const float vk3x1 = w[9];
95       vacc1p0 += vi3x1 * vk3x1;
96 
97       w += 10;
98 
99 
100       output[0] = vacc0p0;
101       output[1] = vacc1p0;
102       output += 2;
103     }
104     for (; c >= 1; c -= 1) {
105       float vacc0p0 = *w++;
106 
107       const float vi0 = *i0++;
108       const float vk0 = w[1];
109       vacc0p0 += vi0 * vk0;
110       const float vi1 = *i1++;
111       const float vk1 = w[3];
112       vacc0p0 += vi1 * vk1;
113       const float vi2 = *i2++;
114       const float vk2 = w[5];
115       vacc0p0 += vi2 * vk2;
116       const float vi3 = *i3++;
117       const float vk3 = w[7];
118       vacc0p0 += vi3 * vk3;
119 
120 
121       *output++ = vacc0p0;
122     }
123 
124     output = (float*) ((uintptr_t) output + output_increment);
125   } while (--output_width != 0);
126 }
127