1 // Auto-generated file. Do not edit!
2 // Template: src/f32-dwconv2d-chw/3x3p1-ssse3.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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 <tmmintrin.h>
13
14 #include <xnnpack/dwconv.h>
15 #include <xnnpack/math.h>
16
17
xnn_f32_dwconv2d_chw_ukernel_3x3p1__ssse3_1x4_acc4(size_t input_height,size_t input_width,const float * input,const float * weights,const float * zero,float * output,uint32_t padding_top,const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_dwconv2d_chw_ukernel_3x3p1__ssse3_1x4_acc4(
19 size_t input_height,
20 size_t input_width,
21 const float* input,
22 const float* weights,
23 const float* zero,
24 float* output,
25 uint32_t padding_top,
26 const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)])
27 {
28 assert(input_height != 0);
29 assert(input_width != 0);
30 assert(input_width % sizeof(float) == 0);
31 assert(padding_top == 1);
32
33 const __m128 vmask = _mm_load_ps((const float*) params->sse.mask);
34 const __m128 vmax = _mm_load_ps(params->sse.max);
35 const __m128 vmin = _mm_load_ps(params->sse.min);
36
37 const __m128 vbias = _mm_load1_ps(weights);
38 const __m128 vk00 = _mm_load1_ps(weights + 1);
39 const __m128 vk01 = _mm_load1_ps(weights + 2);
40 const __m128 vk02 = _mm_load1_ps(weights + 3);
41 const __m128 vk10 = _mm_load1_ps(weights + 4);
42 const __m128 vk11 = _mm_load1_ps(weights + 5);
43 const __m128 vk12 = _mm_load1_ps(weights + 6);
44 const __m128 vk20 = _mm_load1_ps(weights + 7);
45 const __m128 vk21 = _mm_load1_ps(weights + 8);
46 const __m128 vk22 = _mm_load1_ps(weights + 9);
47
48 const size_t input_decrement = round_up_po2(input_width, 4 * sizeof(float));
49
50 const float* i0 = zero;
51 const float* i1 = input;
52 const float* i2 = (const float*) ((uintptr_t) i1 + input_width);
53
54 float* o0 = output;
55
56 size_t output_height = input_height;
57 do {
58 if XNN_UNPREDICTABLE(output_height < 2) {
59 i2 = zero;
60 }
61
62 __m128 vi0x0123 = _mm_setzero_ps();
63 __m128 vi1x0123 = _mm_setzero_ps();
64 __m128 vi2x0123 = _mm_setzero_ps();
65
66 __m128 vi0x4567 = _mm_loadu_ps(i0);
67 i0 += 4;
68 __m128 vi1x4567 = _mm_loadu_ps(i1);
69 i1 += 4;
70 __m128 vi2x4567 = _mm_loadu_ps(i2);
71 i2 += 4;
72
73 size_t w = input_width;
74 for (; w > 4 * sizeof(float); w -= 4 * sizeof(float)) {
75 const __m128 vi0x89AB = _mm_loadu_ps(i0);
76 i0 += 4;
77 const __m128 vi1x89AB = _mm_loadu_ps(i1);
78 i1 += 4;
79 const __m128 vi2x89AB = _mm_loadu_ps(i2);
80 i2 += 4;
81
82 __m128 vo0p0 = _mm_add_ps(vbias, _mm_mul_ps(vi0x4567, vk01));
83 __m128 vo0p1 = _mm_mul_ps(vi1x4567, vk11);
84 __m128 vo0p2 = _mm_mul_ps(vi2x4567, vk21);
85
86 const __m128 vi0x3456 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi0x4567), _mm_castps_si128(vi0x0123), 12));
87 const __m128 vi1x3456 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi1x4567), _mm_castps_si128(vi1x0123), 12));
88 const __m128 vi2x3456 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi2x4567), _mm_castps_si128(vi2x0123), 12));
89
90 __m128 vo0p3 = _mm_mul_ps(vi0x3456, vk00);
91 vo0p0 = _mm_add_ps(vo0p0, _mm_mul_ps(vi1x3456, vk10));
92 vo0p1 = _mm_add_ps(vo0p1, _mm_mul_ps(vi2x3456, vk20));
93
94 vi0x0123 = vi0x4567;
95 vi1x0123 = vi1x4567;
96 vi2x0123 = vi2x4567;
97
98 const __m128 vi0x5678 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi0x89AB), _mm_castps_si128(vi0x4567), 4));
99 const __m128 vi1x5678 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi1x89AB), _mm_castps_si128(vi1x4567), 4));
100 const __m128 vi2x5678 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi2x89AB), _mm_castps_si128(vi2x4567), 4));
101
102 vo0p2 = _mm_add_ps(vo0p2, _mm_mul_ps(vi0x5678, vk02));
103 vo0p3 = _mm_add_ps(vo0p3, _mm_mul_ps(vi1x5678, vk12));
104 vo0p0 = _mm_add_ps(vo0p0, _mm_mul_ps(vi2x5678, vk22));
105
106 vi0x4567 = vi0x89AB;
107 vi1x4567 = vi1x89AB;
108 vi2x4567 = vi2x89AB;
109
110 vo0p0 = _mm_add_ps(vo0p0, vo0p1);
111 vo0p2 = _mm_add_ps(vo0p2, vo0p3);
112 vo0p0 = _mm_add_ps(vo0p0, vo0p2);
113
114 __m128 vo0 = _mm_max_ps(vo0p0, vmin);
115
116 vo0 = _mm_min_ps(vo0, vmax);
117
118 _mm_storeu_ps(o0, vo0);
119 o0 += 4;
120 }
121 // Always process the last block of 1..4 pixels.
122 assert(w >= 1 * sizeof(float));
123 assert(w <= 4 * sizeof(float));
124 {
125 vi0x4567 = _mm_and_ps(vmask, vi0x4567);
126 vi1x4567 = _mm_and_ps(vmask, vi1x4567);
127 vi2x4567 = _mm_and_ps(vmask, vi2x4567);
128
129 __m128 vo0p0 = _mm_add_ps(vbias, _mm_mul_ps(vi0x4567, vk01));
130 __m128 vo0p1 = _mm_mul_ps(vi1x4567, vk11);
131 __m128 vo0p2 = _mm_mul_ps(vi2x4567, vk21);
132
133 const __m128 vi0x3456 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi0x4567), _mm_castps_si128(vi0x0123), 12));
134 const __m128 vi1x3456 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi1x4567), _mm_castps_si128(vi1x0123), 12));
135 const __m128 vi2x3456 = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(vi2x4567), _mm_castps_si128(vi2x0123), 12));
136
137 __m128 vo0p3 = _mm_mul_ps(vi0x3456, vk00);
138 vo0p0 = _mm_add_ps(vo0p0, _mm_mul_ps(vi1x3456, vk10));
139 vo0p1 = _mm_add_ps(vo0p1, _mm_mul_ps(vi2x3456, vk20));
140
141 const __m128i vzero = _mm_setzero_si128();
142 const __m128 vi0x5678 = _mm_castsi128_ps(_mm_alignr_epi8(vzero, _mm_castps_si128(vi0x4567), 4));
143 const __m128 vi1x5678 = _mm_castsi128_ps(_mm_alignr_epi8(vzero, _mm_castps_si128(vi1x4567), 4));
144 const __m128 vi2x5678 = _mm_castsi128_ps(_mm_alignr_epi8(vzero, _mm_castps_si128(vi2x4567), 4));
145
146 vo0p2 = _mm_add_ps(vo0p2, _mm_mul_ps(vi0x5678, vk02));
147 vo0p3 = _mm_add_ps(vo0p3, _mm_mul_ps(vi1x5678, vk12));
148 vo0p0 = _mm_add_ps(vo0p0, _mm_mul_ps(vi2x5678, vk22));
149
150 vo0p0 = _mm_add_ps(vo0p0, vo0p1);
151 vo0p2 = _mm_add_ps(vo0p2, vo0p3);
152 vo0p0 = _mm_add_ps(vo0p0, vo0p2);
153
154 __m128 vo0 = _mm_max_ps(vo0p0, vmin);
155
156 vo0 = _mm_min_ps(vo0, vmax);
157
158 if XNN_LIKELY(w == 4 * sizeof(float)) {
159 _mm_storeu_ps(o0, vo0);
160 o0 += 4;
161 } else {
162 if (w & (2 * sizeof(float))) {
163 _mm_storel_pi((__m64*) o0, vo0);
164 o0 += 2;
165
166 vo0 = _mm_movehl_ps(vo0, vo0);
167 }
168 if (w & (1 * sizeof(float))) {
169 _mm_store_ss(o0, vo0);
170 o0 += 1;
171 }
172 }
173 }
174
175 i0 = (const float*) ((uintptr_t) i1 - input_decrement);
176 i1 = (const float*) ((uintptr_t) i2 - input_decrement);
177 i2 = (const float*) ((uintptr_t) i1 + input_width);
178
179
180 } while (--output_height != 0);
181 }
182