Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 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. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 5 | |
| 6 | #include <assert.h> |
| 7 | |
| 8 | #include <psimd.h> |
| 9 | |
| 10 | #include <xnnpack/avgpool.h> |
| 11 | |
| 12 | |
| 13 | void xnn_f32_avgpool_ukernel_up9__psimd( |
| 14 | size_t n, |
| 15 | size_t ks, |
| 16 | size_t kc, |
| 17 | const float** input, |
| 18 | const float* zero, |
| 19 | float* output, |
| 20 | size_t input_increment, |
| 21 | size_t output_increment, |
| 22 | const union xnn_f32_avgpool_params params[restrict static 1]) |
| 23 | { |
| 24 | assert(n != 0); |
| 25 | assert(ks != 0); |
| 26 | assert(ks <= 9); |
| 27 | assert(kc != 0); |
| 28 | |
| 29 | const psimd_f32 vmultiplier = psimd_load_splat_f32(¶ms->scalar.multiplier); |
| 30 | const psimd_f32 voutput_min = psimd_load_splat_f32(¶ms->scalar.output_min); |
| 31 | const psimd_f32 voutput_max = psimd_load_splat_f32(¶ms->scalar.output_max); |
| 32 | |
| 33 | do { |
| 34 | const float* i0 = input[0]; |
| 35 | const float* i1 = input[1]; |
| 36 | const float* i2 = input[2]; |
| 37 | const float* i3 = input[3]; |
| 38 | const float* i4 = input[4]; |
| 39 | const float* i5 = input[5]; |
| 40 | const float* i6 = input[6]; |
| 41 | const float* i7 = input[7]; |
| 42 | const float* i8 = input[8]; |
| 43 | input = (const float**) ((uintptr_t) input + input_increment); |
| 44 | if (ks < 2) { |
| 45 | i1 = zero; |
| 46 | } |
| 47 | if (ks <= 2) { |
| 48 | i2 = zero; |
| 49 | } |
| 50 | if (ks < 4) { |
| 51 | i3 = zero; |
| 52 | } |
| 53 | if (ks <= 4) { |
| 54 | i4 = zero; |
| 55 | } |
| 56 | if (ks < 6) { |
| 57 | i5 = zero; |
| 58 | } |
| 59 | if (ks <= 6) { |
| 60 | i6 = zero; |
| 61 | } |
| 62 | if (ks < 8) { |
| 63 | i7 = zero; |
| 64 | } |
| 65 | if (ks <= 8) { |
| 66 | i8 = zero; |
| 67 | } |
| 68 | |
| 69 | size_t k = kc; |
| 70 | while (k >= 4) { |
| 71 | const psimd_f32 vi0 = psimd_load_f32(i0); |
| 72 | i0 += 4; |
| 73 | const psimd_f32 vi1 = psimd_load_f32(i1); |
| 74 | i1 += 4; |
| 75 | const psimd_f32 vi2 = psimd_load_f32(i2); |
| 76 | i2 += 4; |
| 77 | const psimd_f32 vi3 = psimd_load_f32(i3); |
| 78 | i3 += 4; |
| 79 | const psimd_f32 vi4 = psimd_load_f32(i4); |
| 80 | i4 += 4; |
| 81 | const psimd_f32 vi5 = psimd_load_f32(i5); |
| 82 | i5 += 4; |
| 83 | const psimd_f32 vi6 = psimd_load_f32(i6); |
| 84 | i6 += 4; |
| 85 | const psimd_f32 vi7 = psimd_load_f32(i7); |
| 86 | i7 += 4; |
| 87 | const psimd_f32 vi8 = psimd_load_f32(i8); |
| 88 | i8 += 4; |
| 89 | |
| 90 | const psimd_f32 vsum018 = psimd_add_f32(psimd_add_f32(vi0, vi1), vi8); |
| 91 | const psimd_f32 vsum23 = psimd_add_f32(vi2, vi3); |
| 92 | const psimd_f32 vsum45 = psimd_add_f32(vi4, vi5); |
| 93 | const psimd_f32 vsum67 = psimd_add_f32(vi6, vi7); |
| 94 | |
| 95 | const psimd_f32 vsum2345 = psimd_add_f32(vsum23, vsum45); |
| 96 | const psimd_f32 vsum01678 = psimd_add_f32(vsum018, vsum67); |
| 97 | const psimd_f32 vsum = psimd_add_f32(vsum2345, vsum01678); |
| 98 | |
| 99 | psimd_f32 vout = psimd_mul_f32(vsum, vmultiplier); |
| 100 | vout = psimd_max_f32(vout, voutput_min); |
| 101 | vout = psimd_min_f32(vout, voutput_max); |
| 102 | |
| 103 | psimd_store_f32(output, vout); |
| 104 | output += 4; |
| 105 | |
| 106 | k -= 4; |
| 107 | } |
| 108 | if (k != 0) { |
| 109 | const psimd_f32 vi0 = psimd_load_f32(i0); |
| 110 | const psimd_f32 vi1 = psimd_load_f32(i1); |
| 111 | const psimd_f32 vi2 = psimd_load_f32(i2); |
| 112 | const psimd_f32 vi3 = psimd_load_f32(i3); |
| 113 | const psimd_f32 vi4 = psimd_load_f32(i4); |
| 114 | const psimd_f32 vi5 = psimd_load_f32(i5); |
| 115 | const psimd_f32 vi6 = psimd_load_f32(i6); |
| 116 | const psimd_f32 vi7 = psimd_load_f32(i7); |
| 117 | const psimd_f32 vi8 = psimd_load_f32(i8); |
| 118 | |
| 119 | const psimd_f32 vsum01 = psimd_add_f32(vi0, vi1); |
| 120 | const psimd_f32 vsum23 = psimd_add_f32(vi2, vi3); |
| 121 | const psimd_f32 vsum45 = psimd_add_f32(vi4, vi5); |
| 122 | const psimd_f32 vsum67 = psimd_add_f32(vi6, vi7); |
| 123 | const psimd_f32 vsum018 = psimd_add_f32(vsum01, vi8); |
| 124 | const psimd_f32 vsum2345 = psimd_add_f32(vsum23, vsum45); |
| 125 | const psimd_f32 vsum01678 = psimd_add_f32(vsum018, vsum67); |
| 126 | const psimd_f32 vsum = psimd_add_f32(vsum2345, vsum01678); |
| 127 | |
| 128 | psimd_f32 vout = psimd_mul_f32(vsum, vmultiplier); |
| 129 | vout = psimd_max_f32(vout, voutput_min); |
| 130 | vout = psimd_min_f32(vout, voutput_max); |
| 131 | |
| 132 | if (k & 2) { |
| 133 | psimd_store2_f32(output, vout); |
| 134 | output += 2; |
| 135 | vout = psimd_concat_hi_f32(vout, vout); |
| 136 | } |
| 137 | if (k & 1) { |
| 138 | psimd_store1_f32(output, vout); |
| 139 | output += 1; |
| 140 | } |
| 141 | } |
| 142 | output = (float*) ((uintptr_t) output + output_increment); |
| 143 | } while (--n != 0); |
| 144 | } |