1 // Copyright 2020 Google LLC
2 //
3 // This source code is licensed under the BSD-style license found in the
4 // LICENSE file in the root directory of this source tree.
5
6 #include <assert.h>
7
8 #include <wasm_simd128.h>
9
10 #include <xnnpack/gavgpool.h>
11 #include <xnnpack/math.h>
12
13
xnn_f32_gavgpool_minmax_ukernel_7p7x__wasmsimd_x86_c4(size_t rows,size_t channels,const float * input,size_t input_stride,const float * zero,float * buffer,float * output,const union xnn_f32_scaleminmax_params params[restrict XNN_MIN_ELEMENTS (1)])14 void xnn_f32_gavgpool_minmax_ukernel_7p7x__wasmsimd_x86_c4(
15 size_t rows,
16 size_t channels,
17 const float* input,
18 size_t input_stride,
19 const float* zero,
20 float* buffer,
21 float* output,
22 const union xnn_f32_scaleminmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24 assert(rows > 7);
25 assert(channels != 0);
26
27 const float* i0 = input;
28 const float* i1 = (const float*) ((uintptr_t) i0 + input_stride);
29 const float* i2 = (const float*) ((uintptr_t) i1 + input_stride);
30 const float* i3 = (const float*) ((uintptr_t) i2 + input_stride);
31 const float* i4 = (const float*) ((uintptr_t) i3 + input_stride);
32 const float* i5 = (const float*) ((uintptr_t) i4 + input_stride);
33 const float* i6 = (const float*) ((uintptr_t) i5 + input_stride);
34 const size_t packed_channels = round_up_po2(channels, 4);
35 const size_t input_increment = 7 * input_stride - packed_channels * sizeof(float);
36
37 float* b = buffer;
38 for (size_t c = 0; c < channels; c += 4) {
39 const v128_t vi0 = wasm_v128_load(i0);
40 i0 += 4;
41 const v128_t vi1 = wasm_v128_load(i1);
42 i1 += 4;
43 const v128_t vi2 = wasm_v128_load(i2);
44 i2 += 4;
45 const v128_t vi3 = wasm_v128_load(i3);
46 i3 += 4;
47 const v128_t vi4 = wasm_v128_load(i4);
48 i4 += 4;
49 const v128_t vi5 = wasm_v128_load(i5);
50 i5 += 4;
51 const v128_t vi6 = wasm_v128_load(i6);
52 i6 += 4;
53
54 const v128_t vsum01 = wasm_f32x4_add(vi0, vi1);
55 const v128_t vsum23 = wasm_f32x4_add(vi2, vi3);
56 const v128_t vsum45 = wasm_f32x4_add(vi4, vi5);
57
58 const v128_t vsum016 = wasm_f32x4_add(vsum01, vi6);
59 const v128_t vsum2345 = wasm_f32x4_add(vsum23, vsum45);
60
61 const v128_t vsum = wasm_f32x4_add(vsum016, vsum2345);
62
63 wasm_v128_store(b, vsum);
64 b += 4;
65 }
66 for (rows -= 7; rows > 7; rows -= 7) {
67 b = buffer;
68
69 i0 = (const float*) ((uintptr_t) i0 + input_increment);
70 i1 = (const float*) ((uintptr_t) i1 + input_increment);
71 i2 = (const float*) ((uintptr_t) i2 + input_increment);
72 i3 = (const float*) ((uintptr_t) i3 + input_increment);
73 i4 = (const float*) ((uintptr_t) i4 + input_increment);
74 i5 = (const float*) ((uintptr_t) i5 + input_increment);
75 i6 = (const float*) ((uintptr_t) i6 + input_increment);
76
77 for (size_t c = 0; c < channels; c += 4) {
78 const v128_t vi0 = wasm_v128_load(i0);
79 i0 += 4;
80 const v128_t vi1 = wasm_v128_load(i1);
81 i1 += 4;
82 const v128_t vi2 = wasm_v128_load(i2);
83 i2 += 4;
84 const v128_t vi3 = wasm_v128_load(i3);
85 i3 += 4;
86 const v128_t vi4 = wasm_v128_load(i4);
87 i4 += 4;
88 const v128_t vi5 = wasm_v128_load(i5);
89 i5 += 4;
90 const v128_t vi6 = wasm_v128_load(i6);
91 i6 += 4;
92 const v128_t vacc = wasm_v128_load(b);
93
94 const v128_t vsum01 = wasm_f32x4_add(vi0, vi1);
95 const v128_t vsum23 = wasm_f32x4_add(vi2, vi3);
96 const v128_t vsum45 = wasm_f32x4_add(vi4, vi5);
97 const v128_t vsum6a = wasm_f32x4_add(vi6, vacc);
98
99 const v128_t vsum0123 = wasm_f32x4_add(vsum01, vsum23);
100 const v128_t vsum456a = wasm_f32x4_add(vsum45, vsum6a);
101
102 const v128_t vsum = wasm_f32x4_add(vsum0123, vsum456a);
103
104 wasm_v128_store(b, vsum); b += 4;
105 }
106 }
107
108 i0 = (const float*) ((uintptr_t) i0 + input_increment);
109 i1 = (const float*) ((uintptr_t) i1 + input_increment);
110 if (rows < 2) {
111 i1 = zero;
112 }
113 i2 = (const float*) ((uintptr_t) i2 + input_increment);
114 if (rows <= 2) {
115 i2 = zero;
116 }
117 i3 = (const float*) ((uintptr_t) i3 + input_increment);
118 if (rows < 4) {
119 i3 = zero;
120 }
121 i4 = (const float*) ((uintptr_t) i4 + input_increment);
122 if (rows <= 4) {
123 i4 = zero;
124 }
125 i5 = (const float*) ((uintptr_t) i5 + input_increment);
126 if (rows < 6) {
127 i5 = zero;
128 }
129 i6 = (const float*) ((uintptr_t) i6 + input_increment);
130 if (rows <= 6) {
131 i6 = zero;
132 }
133 const v128_t vscale = wasm_v128_load32_splat(¶ms->scalar.scale);
134 const v128_t vmin = wasm_v128_load32_splat(¶ms->scalar.min);
135 const v128_t vmax = wasm_v128_load32_splat(¶ms->scalar.max);
136
137 b = buffer;
138 while (channels >= 4) {
139 const v128_t vi0 = wasm_v128_load(i0);
140 i0 += 4;
141 const v128_t vi1 = wasm_v128_load(i1);
142 i1 += 4;
143 const v128_t vi2 = wasm_v128_load(i2);
144 i2 += 4;
145 const v128_t vi3 = wasm_v128_load(i3);
146 i3 += 4;
147 const v128_t vi4 = wasm_v128_load(i4);
148 i4 += 4;
149 const v128_t vi5 = wasm_v128_load(i5);
150 i5 += 4;
151 const v128_t vi6 = wasm_v128_load(i6);
152 i6 += 4;
153 const v128_t vacc = wasm_v128_load(b);
154 b += 4;
155
156 const v128_t vsum01 = wasm_f32x4_add(vi0, vi1);
157 const v128_t vsum23 = wasm_f32x4_add(vi2, vi3);
158 const v128_t vsum45 = wasm_f32x4_add(vi4, vi5);
159 const v128_t vsum6a = wasm_f32x4_add(vi6, vacc);
160
161 const v128_t vsum0123 = wasm_f32x4_add(vsum01, vsum23);
162 const v128_t vsum456a = wasm_f32x4_add(vsum45, vsum6a);
163
164 const v128_t vsum = wasm_f32x4_add(vsum0123, vsum456a);
165
166 v128_t vout = wasm_f32x4_mul(vsum, vscale);
167 vout = wasm_f32x4_pmax(vmin, vout);
168 vout = wasm_f32x4_pmin(vmax, vout);
169
170 wasm_v128_store(output, vout);
171 output += 4;
172
173 channels -= 4;
174 }
175 if (channels != 0) {
176 const v128_t vi0 = wasm_v128_load(i0);
177 const v128_t vi1 = wasm_v128_load(i1);
178 const v128_t vi2 = wasm_v128_load(i2);
179 const v128_t vi3 = wasm_v128_load(i3);
180 const v128_t vi4 = wasm_v128_load(i4);
181 const v128_t vi5 = wasm_v128_load(i5);
182 const v128_t vi6 = wasm_v128_load(i6);
183 const v128_t vacc = wasm_v128_load(b);
184
185 const v128_t vsum01 = wasm_f32x4_add(vi0, vi1);
186 const v128_t vsum23 = wasm_f32x4_add(vi2, vi3);
187 const v128_t vsum45 = wasm_f32x4_add(vi4, vi5);
188 const v128_t vsum6a = wasm_f32x4_add(vi6, vacc);
189
190 const v128_t vsum0123 = wasm_f32x4_add(vsum01, vsum23);
191 const v128_t vsum456a = wasm_f32x4_add(vsum45, vsum6a);
192
193 const v128_t vsum = wasm_f32x4_add(vsum0123, vsum456a);
194
195 v128_t vout = wasm_f32x4_mul(vsum, vscale);
196 vout = wasm_f32x4_pmax(vmin, vout);
197 vout = wasm_f32x4_pmin(vmax, vout);
198
199 if (channels & 2) {
200 *((double*) output) = wasm_f64x2_extract_lane(vout, 0);
201 output += 2;
202 vout = wasm_v32x4_shuffle(vout, vout, 2, 3, 2, 3);
203 }
204 if (channels & 1) {
205 *output++ = wasm_f32x4_extract_lane(vout, 0);
206 }
207 }
208 }
209