1 // Copyright 2019 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 <psimd.h>
9
10 #include <xnnpack/gavgpool.h>
11
12
xnn_f32_gavgpool_ukernel_up7__psimd(size_t m,size_t n,const float * input,size_t input_stride,const float * zero,float * output,const union xnn_f32_avgpool_params params[restrict static1])13 void xnn_f32_gavgpool_ukernel_up7__psimd(
14 size_t m,
15 size_t n,
16 const float* input,
17 size_t input_stride,
18 const float* zero,
19 float* output,
20 const union xnn_f32_avgpool_params params[restrict static 1])
21 {
22 assert(m != 0);
23 assert(m <= 7);
24 assert(n != 0);
25
26 const float* i0 = input;
27 const float* i1 = (const float*) ((uintptr_t) i0 + input_stride);
28 if (m < 2) {
29 i1 = zero;
30 }
31 const float* i2 = (const float*) ((uintptr_t) i1 + input_stride);
32 if (m <= 2) {
33 i2 = zero;
34 }
35 const float* i3 = (const float*) ((uintptr_t) i2 + input_stride);
36 if (m < 4) {
37 i3 = zero;
38 }
39 const float* i4 = (const float*) ((uintptr_t) i3 + input_stride);
40 if (m <= 4) {
41 i4 = zero;
42 }
43 const float* i5 = (const float*) ((uintptr_t) i4 + input_stride);
44 if (m < 6) {
45 i5 = zero;
46 }
47 const float* i6 = (const float*) ((uintptr_t) i5 + input_stride);
48 if (m <= 6) {
49 i6 = zero;
50 }
51 const psimd_f32 vmultiplier = psimd_load_splat_f32(¶ms->scalar.multiplier);
52 const psimd_f32 voutput_min = psimd_load_splat_f32(¶ms->scalar.output_min);
53 const psimd_f32 voutput_max = psimd_load_splat_f32(¶ms->scalar.output_max);
54
55 while (n >= 4) {
56 const psimd_f32 vi0 = psimd_load_f32(i0);
57 i0 += 4;
58 const psimd_f32 vi1 = psimd_load_f32(i1);
59 i1 += 4;
60 const psimd_f32 vi2 = psimd_load_f32(i2);
61 i2 += 4;
62 const psimd_f32 vi3 = psimd_load_f32(i3);
63 i3 += 4;
64 const psimd_f32 vi4 = psimd_load_f32(i4);
65 i4 += 4;
66 const psimd_f32 vi5 = psimd_load_f32(i5);
67 i5 += 4;
68 const psimd_f32 vi6 = psimd_load_f32(i6);
69 i6 += 4;
70
71 const psimd_f32 vsum01 = psimd_add_f32(vi0, vi1);
72 const psimd_f32 vsum23 = psimd_add_f32(vi2, vi3);
73 const psimd_f32 vsum45 = psimd_add_f32(vi4, vi5);
74
75 const psimd_f32 vsum016 = psimd_add_f32(vsum01, vi6);
76 const psimd_f32 vsum2345 = psimd_add_f32(vsum23, vsum45);
77
78 const psimd_f32 vsum = psimd_add_f32(vsum016, vsum2345);
79
80 psimd_f32 vout = psimd_mul_f32(vsum, vmultiplier);
81 vout = psimd_max_f32(vout, voutput_min);
82 vout = psimd_min_f32(vout, voutput_max);
83
84 psimd_store_f32(output, vout);
85 output += 4;
86
87 n -= 4;
88 }
89 if (n != 0) {
90 const psimd_f32 vi0 = psimd_load_f32(i0);
91 const psimd_f32 vi1 = psimd_load_f32(i1);
92 const psimd_f32 vi2 = psimd_load_f32(i2);
93 const psimd_f32 vi3 = psimd_load_f32(i3);
94 const psimd_f32 vi4 = psimd_load_f32(i4);
95 const psimd_f32 vi5 = psimd_load_f32(i5);
96 const psimd_f32 vi6 = psimd_load_f32(i6);
97
98 const psimd_f32 vsum01 = psimd_add_f32(vi0, vi1);
99 const psimd_f32 vsum23 = psimd_add_f32(vi2, vi3);
100 const psimd_f32 vsum45 = psimd_add_f32(vi4, vi5);
101
102 const psimd_f32 vsum016 = psimd_add_f32(vsum01, vi6);
103 const psimd_f32 vsum2345 = psimd_add_f32(vsum23, vsum45);
104
105 const psimd_f32 vsum = psimd_add_f32(vsum016, vsum2345);
106
107 psimd_f32 vout = psimd_mul_f32(vsum, vmultiplier);
108 vout = psimd_max_f32(vout, voutput_min);
109 vout = psimd_min_f32(vout, voutput_max);
110
111 if (n & 2) {
112 psimd_store2_f32(output, vout);
113 output += 2;
114 vout = psimd_concat_hi_f32(vout, vout);
115 }
116 if (n & 1) {
117 psimd_store1_f32(output, vout);
118 }
119 }
120 }
121