Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 2 | // Template: src/f32-dwconv2d-chw/3x3p1-neon.c.in |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2020 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 <arm_neon.h> |
| 13 | |
| 14 | #include <xnnpack/dwconv.h> |
| 15 | #include <xnnpack/math.h> |
| 16 | |
| 17 | |
| 18 | void xnn_f32_dwconv2d_chw_ukernel_3x3p1__neonfma_1x4( |
| 19 | size_t input_height, |
| 20 | size_t input_width, |
| 21 | const float* input, |
| 22 | const float* weights, |
| 23 | const float* zero, |
| 24 | float* output, |
| 25 | uint32_t padding_top, |
| 26 | const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| 27 | { |
| 28 | assert(input_height != 0); |
| 29 | assert(input_width != 0); |
| 30 | assert(input_width % sizeof(float) == 0); |
| 31 | assert(padding_top == 1); |
| 32 | |
| 33 | const uint32x4_t vmask = vld1q_u32(params->neon.mask); |
| 34 | const float32x4_t vmax = vld1q_dup_f32(¶ms->neon.max); |
| 35 | const float32x4_t vmin = vld1q_dup_f32(¶ms->neon.min); |
| 36 | |
| 37 | const float32x4_t vw0123 = vld1q_f32(weights); |
| 38 | const float32x4_t vw4567 = vld1q_f32(weights + 4); |
| 39 | const float32x2_t vw89 = vld1_f32(weights + 8); |
| 40 | |
| 41 | const size_t input_decrement = round_up_po2(input_width, 4 * sizeof(float)); |
| 42 | |
| 43 | const float* i0 = zero; |
| 44 | const float* i1 = input; |
| 45 | const float* i2 = (const float*) ((uintptr_t) i1 + input_width); |
| 46 | |
| 47 | float* o0 = output; |
| 48 | |
| 49 | size_t output_height = input_height; |
| 50 | do { |
| 51 | if XNN_UNPREDICTABLE(output_height < 2) { |
| 52 | i2 = zero; |
| 53 | } |
| 54 | |
| 55 | float32x4_t vi0x0123 = vmovq_n_f32(0.0f); |
| 56 | float32x4_t vi1x0123 = vmovq_n_f32(0.0f); |
| 57 | float32x4_t vi2x0123 = vmovq_n_f32(0.0f); |
| 58 | |
| 59 | float32x4_t vi0x4567 = vld1q_f32(i0); i0 += 4; |
| 60 | float32x4_t vi1x4567 = vld1q_f32(i1); i1 += 4; |
| 61 | float32x4_t vi2x4567 = vld1q_f32(i2); i2 += 4; |
| 62 | |
| 63 | size_t w = input_width; |
| 64 | for (; w > 4 * sizeof(float); w -= 4 * sizeof(float)) { |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 65 | float32x4_t vo0p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 66 | |
| 67 | const float32x4_t vi0x89AB = vld1q_f32(i0); i0 += 4; |
| 68 | const float32x4_t vi1x89AB = vld1q_f32(i1); i1 += 4; |
| 69 | const float32x4_t vi2x89AB = vld1q_f32(i2); i2 += 4; |
| 70 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 71 | vo0p0 = vfmaq_lane_f32(vo0p0, vi0x4567, vget_high_f32(vw0123), 0); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 72 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 73 | vo0p0 = vfmaq_lane_f32(vo0p0, vi1x4567, vget_low_f32(vw4567), 1); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 74 | |
| 75 | vo0p0 = vfmaq_lane_f32(vo0p0, vi2x4567, vw89, 0); |
| 76 | |
| 77 | const float32x4_t vi0x3456 = vextq_f32(vi0x0123, vi0x4567, 3); |
| 78 | const float32x4_t vi1x3456 = vextq_f32(vi1x0123, vi1x4567, 3); |
| 79 | const float32x4_t vi2x3456 = vextq_f32(vi2x0123, vi2x4567, 3); |
| 80 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 81 | vo0p0 = vfmaq_lane_f32(vo0p0, vi0x3456, vget_low_f32(vw0123), 1); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 82 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 83 | vo0p0 = vfmaq_lane_f32(vo0p0, vi1x3456, vget_low_f32(vw4567), 0); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 84 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 85 | vo0p0 = vfmaq_lane_f32(vo0p0, vi2x3456, vget_high_f32(vw4567), 1); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 86 | |
| 87 | vi0x0123 = vi0x4567; |
| 88 | vi1x0123 = vi1x4567; |
| 89 | vi2x0123 = vi2x4567; |
| 90 | |
| 91 | const float32x4_t vi0x5678 = vextq_f32(vi0x4567, vi0x89AB, 1); |
| 92 | const float32x4_t vi1x5678 = vextq_f32(vi1x4567, vi1x89AB, 1); |
| 93 | const float32x4_t vi2x5678 = vextq_f32(vi2x4567, vi2x89AB, 1); |
| 94 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 95 | vo0p0 = vfmaq_lane_f32(vo0p0, vi0x5678, vget_high_f32(vw0123), 1); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 96 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 97 | vo0p0 = vfmaq_lane_f32(vo0p0, vi1x5678, vget_high_f32(vw4567), 0); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 98 | |
| 99 | vo0p0 = vfmaq_lane_f32(vo0p0, vi2x5678, vw89, 1); |
| 100 | |
| 101 | vi0x4567 = vi0x89AB; |
| 102 | vi1x4567 = vi1x89AB; |
| 103 | vi2x4567 = vi2x89AB; |
| 104 | |
| 105 | |
| 106 | float32x4_t vo0 = vmaxq_f32(vo0p0, vmin); |
| 107 | |
| 108 | vo0 = vminq_f32(vo0, vmax); |
| 109 | |
| 110 | vst1q_f32(o0, vo0); o0 += 4; |
| 111 | } |
| 112 | // Always process the last block of 1..4 pixels. |
| 113 | assert(w >= 1 * sizeof(float)); |
| 114 | assert(w <= 4 * sizeof(float)); |
| 115 | { |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 116 | float32x4_t vo0p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 117 | |
| 118 | vi0x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi0x4567))); |
| 119 | vi1x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi1x4567))); |
| 120 | vi2x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi2x4567))); |
| 121 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 122 | vo0p0 = vfmaq_lane_f32(vo0p0, vi0x4567, vget_high_f32(vw0123), 0); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 123 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 124 | vo0p0 = vfmaq_lane_f32(vo0p0, vi1x4567, vget_low_f32(vw4567), 1); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 125 | |
| 126 | vo0p0 = vfmaq_lane_f32(vo0p0, vi2x4567, vw89, 0); |
| 127 | |
| 128 | const float32x4_t vi0x3456 = vextq_f32(vi0x0123, vi0x4567, 3); |
| 129 | const float32x4_t vi1x3456 = vextq_f32(vi1x0123, vi1x4567, 3); |
| 130 | const float32x4_t vi2x3456 = vextq_f32(vi2x0123, vi2x4567, 3); |
| 131 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 132 | vo0p0 = vfmaq_lane_f32(vo0p0, vi0x3456, vget_low_f32(vw0123), 1); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 133 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 134 | vo0p0 = vfmaq_lane_f32(vo0p0, vi1x3456, vget_low_f32(vw4567), 0); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 135 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 136 | vo0p0 = vfmaq_lane_f32(vo0p0, vi2x3456, vget_high_f32(vw4567), 1); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 137 | |
| 138 | const float32x4_t vzero = vmovq_n_f32(0.0f); |
| 139 | const float32x4_t vi0x5678 = vextq_f32(vi0x4567, vzero, 1); |
| 140 | const float32x4_t vi1x5678 = vextq_f32(vi1x4567, vzero, 1); |
| 141 | const float32x4_t vi2x5678 = vextq_f32(vi2x4567, vzero, 1); |
| 142 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 143 | vo0p0 = vfmaq_lane_f32(vo0p0, vi0x5678, vget_high_f32(vw0123), 1); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 144 | |
Marat Dukhan | c581e48 | 2020-10-24 01:28:11 -0700 | [diff] [blame] | 145 | vo0p0 = vfmaq_lane_f32(vo0p0, vi1x5678, vget_high_f32(vw4567), 0); |
Marat Dukhan | 1268a24 | 2020-10-24 00:36:32 -0700 | [diff] [blame] | 146 | |
| 147 | vo0p0 = vfmaq_lane_f32(vo0p0, vi2x5678, vw89, 1); |
| 148 | |
| 149 | |
| 150 | float32x4_t vo0 = vmaxq_f32(vo0p0, vmin); |
| 151 | |
| 152 | vo0 = vminq_f32(vo0, vmax); |
| 153 | |
| 154 | if XNN_LIKELY(w == 4 * sizeof(float)) { |
| 155 | vst1q_f32(o0, vo0); o0 += 4; |
| 156 | } else { |
| 157 | float32x2_t vo0_lo = vget_low_f32(vo0); |
| 158 | if (w & (2 * sizeof(float))) { |
| 159 | vst1_f32(o0, vo0_lo); o0 += 2; |
| 160 | |
| 161 | vo0_lo = vget_high_f32(vo0); |
| 162 | } |
| 163 | if (w & (1 * sizeof(float))) { |
| 164 | vst1_lane_f32(o0, vo0_lo, 0); o0 += 1; |
| 165 | } |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | i0 = (const float*) ((uintptr_t) i1 - input_decrement); |
| 170 | i1 = (const float*) ((uintptr_t) i2 - input_decrement); |
| 171 | i2 = (const float*) ((uintptr_t) i1 + input_width); |
| 172 | |
| 173 | |
| 174 | } while (--output_height != 0); |
| 175 | } |