Marat Dukhan | 436ebe6 | 2019-12-04 15:10:12 -0800 | [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. |
| 5 | |
| 6 | #include <assert.h> |
| 7 | |
| 8 | #include <xnnpack/pavgpool.h> |
| 9 | #include <xnnpack/math.h> |
| 10 | |
| 11 | |
| 12 | void xnn_f32_pavgpool_ukernel_up9__wasm( |
| 13 | size_t n, |
| 14 | size_t ks, |
| 15 | size_t kc, |
| 16 | const float** input, |
| 17 | const float* zero, |
| 18 | const float* multiplier, |
| 19 | float* output, |
| 20 | size_t input_increment, |
| 21 | size_t output_increment, |
| 22 | const union xnn_f32_output_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 float voutput_min = params->scalar.min; |
| 30 | const float voutput_max = params->scalar.max; |
| 31 | |
| 32 | do { |
| 33 | const float* i0 = input[0]; |
| 34 | const float* i1 = input[1]; |
| 35 | const float* i2 = input[2]; |
| 36 | const float* i3 = input[3]; |
| 37 | const float* i4 = input[4]; |
| 38 | const float* i5 = input[5]; |
| 39 | const float* i6 = input[6]; |
| 40 | const float* i7 = input[7]; |
| 41 | const float* i8 = input[8]; |
| 42 | input = (const float**) ((uintptr_t) input + input_increment); |
| 43 | if (ks < 2) { |
| 44 | i1 = zero; |
| 45 | } |
| 46 | if (ks <= 2) { |
| 47 | i2 = zero; |
| 48 | } |
| 49 | if (ks < 4) { |
| 50 | i3 = zero; |
| 51 | } |
| 52 | if (ks <= 4) { |
| 53 | i4 = zero; |
| 54 | } |
| 55 | if (ks < 6) { |
| 56 | i5 = zero; |
| 57 | } |
| 58 | if (ks <= 6) { |
| 59 | i6 = zero; |
| 60 | } |
| 61 | if (ks < 8) { |
| 62 | i7 = zero; |
| 63 | } |
| 64 | if (ks <= 8) { |
| 65 | i8 = zero; |
| 66 | } |
| 67 | |
| 68 | const float vmultiplier = *multiplier++; |
| 69 | |
| 70 | size_t k = kc; |
| 71 | do { |
| 72 | const float vi0 = *i0++; |
| 73 | const float vi1 = *i1++; |
| 74 | const float vi2 = *i2++; |
| 75 | const float vi3 = *i3++; |
| 76 | const float vi4 = *i4++; |
| 77 | const float vi5 = *i5++; |
| 78 | const float vi6 = *i6++; |
| 79 | const float vi7 = *i7++; |
| 80 | const float vi8 = *i8++; |
| 81 | |
| 82 | const float vsum01 = vi0 + vi1; |
| 83 | const float vsum23 = vi2 + vi3; |
| 84 | const float vsum45 = vi4 + vi5; |
| 85 | const float vsum67 = vi6 + vi7; |
| 86 | const float vsum018 = vsum01 + vi8; |
| 87 | const float vsum2345 = vsum23 + vsum45; |
| 88 | const float vsum01678 = vsum018 + vsum67; |
| 89 | const float vsum = vsum2345 + vsum01678; |
| 90 | |
| 91 | float vout = vsum * vmultiplier; |
| 92 | vout = __builtin_wasm_max_f32(vout, voutput_min); |
| 93 | vout = __builtin_wasm_min_f32(vout, voutput_max); |
| 94 | |
| 95 | *output++ = vout; |
| 96 | } while (--k != 0); |
| 97 | output = (float*) ((uintptr_t) output + output_increment); |
| 98 | } while (--n != 0); |
| 99 | } |