Marat Dukhan | 17ec5f3 | 2019-11-22 13:34:16 -0800 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/f32-dwconv/up-avx.c.in |
| 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2019 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 <immintrin.h> |
| 13 | |
| 14 | #include <xnnpack/dwconv.h> |
| 15 | |
| 16 | |
| 17 | static const int32_t mask_table[14] = {-1, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0}; |
| 18 | |
| 19 | void xnn_f32_dwconv_ukernel_up8x4__fma3( |
| 20 | size_t channels, |
| 21 | size_t output_width, |
| 22 | const float** input, |
| 23 | const float* weights, |
| 24 | float* output, |
| 25 | size_t input_stride, |
| 26 | size_t output_increment, |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 27 | const union xnn_f32_minmax_params params[restrict static 1]) |
Marat Dukhan | 17ec5f3 | 2019-11-22 13:34:16 -0800 | [diff] [blame] | 28 | { |
| 29 | assert(channels != 0); |
| 30 | assert(output_width != 0); |
| 31 | |
| 32 | const __m256 vmax = _mm256_broadcast_ps((const __m128*) params->sse.max); |
| 33 | const __m256 vmin = _mm256_broadcast_ps((const __m128*) params->sse.min); |
| 34 | do { |
| 35 | const float* i0 = input[0]; |
Marat Dukhan | 6866099 | 2020-02-03 13:31:12 -0800 | [diff] [blame] | 36 | assert(i0 != NULL); |
Marat Dukhan | 17ec5f3 | 2019-11-22 13:34:16 -0800 | [diff] [blame] | 37 | const float* i1 = input[1]; |
Marat Dukhan | 6866099 | 2020-02-03 13:31:12 -0800 | [diff] [blame] | 38 | assert(i1 != NULL); |
Marat Dukhan | 17ec5f3 | 2019-11-22 13:34:16 -0800 | [diff] [blame] | 39 | const float* i2 = input[2]; |
Marat Dukhan | 6866099 | 2020-02-03 13:31:12 -0800 | [diff] [blame] | 40 | assert(i2 != NULL); |
Marat Dukhan | 17ec5f3 | 2019-11-22 13:34:16 -0800 | [diff] [blame] | 41 | const float* i3 = input[3]; |
Marat Dukhan | 6866099 | 2020-02-03 13:31:12 -0800 | [diff] [blame] | 42 | assert(i3 != NULL); |
Marat Dukhan | 17ec5f3 | 2019-11-22 13:34:16 -0800 | [diff] [blame] | 43 | input = (const float**) ((uintptr_t) input + input_stride); |
| 44 | |
| 45 | size_t c = channels; |
| 46 | const float* w = weights; |
| 47 | for (; c >= 8; c -= 8) { |
| 48 | __m256 vacc01234567p0 = _mm256_load_ps(w); |
| 49 | |
| 50 | |
| 51 | const __m256 vi0x01234567 = _mm256_loadu_ps(i0); |
| 52 | i0 += 8; |
| 53 | |
| 54 | const __m256 vk0x01234567 = _mm256_load_ps(w + 8); |
| 55 | vacc01234567p0 = _mm256_fmadd_ps(vi0x01234567, vk0x01234567, vacc01234567p0); |
| 56 | |
| 57 | const __m256 vi1x01234567 = _mm256_loadu_ps(i1); |
| 58 | i1 += 8; |
| 59 | |
| 60 | const __m256 vk1x01234567 = _mm256_load_ps(w + 16); |
| 61 | vacc01234567p0 = _mm256_fmadd_ps(vi1x01234567, vk1x01234567, vacc01234567p0); |
| 62 | |
| 63 | const __m256 vi2x01234567 = _mm256_loadu_ps(i2); |
| 64 | i2 += 8; |
| 65 | |
| 66 | const __m256 vk2x01234567 = _mm256_load_ps(w + 24); |
| 67 | vacc01234567p0 = _mm256_fmadd_ps(vi2x01234567, vk2x01234567, vacc01234567p0); |
| 68 | |
| 69 | const __m256 vi3x01234567 = _mm256_loadu_ps(i3); |
| 70 | i3 += 8; |
| 71 | |
| 72 | const __m256 vk3x01234567 = _mm256_load_ps(w + 32); |
| 73 | vacc01234567p0 = _mm256_fmadd_ps(vi3x01234567, vk3x01234567, vacc01234567p0); |
| 74 | |
| 75 | w += 40; |
| 76 | |
| 77 | |
| 78 | __m256 vacc01234567 = _mm256_max_ps(vacc01234567p0, vmin); |
| 79 | vacc01234567 = _mm256_min_ps(vacc01234567, vmax); |
| 80 | |
| 81 | _mm256_storeu_ps(output, vacc01234567); |
| 82 | output += 8; |
| 83 | } |
| 84 | if XNN_UNLIKELY(c != 0) { |
| 85 | assert(c >= 1); |
| 86 | assert(c <= 7); |
| 87 | __m256i vmask = _mm256_loadu_si256((const __m256i*) &mask_table[7 - c]); |
| 88 | |
| 89 | __m256 vacc01234567p0 = _mm256_load_ps(w); |
| 90 | |
| 91 | const __m256 vi0x01234567 = _mm256_maskload_ps(i0, vmask); |
| 92 | const __m256 vk0x01234567 = _mm256_load_ps(w + 8); |
| 93 | vacc01234567p0 = _mm256_fmadd_ps(vi0x01234567, vk0x01234567, vacc01234567p0); |
| 94 | |
| 95 | const __m256 vi1x01234567 = _mm256_maskload_ps(i1, vmask); |
| 96 | const __m256 vk1x01234567 = _mm256_load_ps(w + 16); |
| 97 | vacc01234567p0 = _mm256_fmadd_ps(vi1x01234567, vk1x01234567, vacc01234567p0); |
| 98 | |
| 99 | const __m256 vi2x01234567 = _mm256_maskload_ps(i2, vmask); |
| 100 | const __m256 vk2x01234567 = _mm256_load_ps(w + 24); |
| 101 | vacc01234567p0 = _mm256_fmadd_ps(vi2x01234567, vk2x01234567, vacc01234567p0); |
| 102 | |
| 103 | const __m256 vi3x01234567 = _mm256_maskload_ps(i3, vmask); |
| 104 | const __m256 vk3x01234567 = _mm256_load_ps(w + 32); |
| 105 | vacc01234567p0 = _mm256_fmadd_ps(vi3x01234567, vk3x01234567, vacc01234567p0); |
| 106 | |
| 107 | |
| 108 | __m256 vacc01234567 = _mm256_max_ps(vacc01234567p0, vmin); |
| 109 | vacc01234567 = _mm256_min_ps(vacc01234567, vmax); |
| 110 | |
Marat Dukhan | d16d0f0 | 2020-02-05 21:33:05 -0800 | [diff] [blame] | 111 | // _mm256_maskstore_ps(output, vmask, vacc01234567); output += c; could be used here, but triggers msan failures (probably an msan bug). |
| 112 | __m128 vacc0123 = _mm256_castps256_ps128(vacc01234567); |
| 113 | if (c & 4) { |
| 114 | _mm_storeu_ps(output, vacc0123); |
| 115 | vacc0123 = _mm256_extractf128_ps(vacc01234567, 1); |
| 116 | output += 4; |
| 117 | } |
| 118 | if (c & 2) { |
| 119 | _mm_storel_pi((__m64*) output, vacc0123); |
| 120 | vacc0123 = _mm_movehl_ps(vacc0123, vacc0123); |
| 121 | output += 2; |
| 122 | } |
| 123 | if (c & 1) { |
| 124 | _mm_store_ss(output, vacc0123); |
| 125 | output += 1; |
| 126 | } |
Marat Dukhan | 17ec5f3 | 2019-11-22 13:34:16 -0800 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | output = (float*) ((uintptr_t) output + output_increment); |
| 130 | } while (--output_width != 0); |
| 131 | } |