XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/f32-ppmm/scalar.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 <xnnpack/math.h> |
| 13 | #include <xnnpack/ppmm.h> |
| 14 | |
| 15 | |
| 16 | void xnn_f32_ppmm_ukernel_4x2__scalar( |
| 17 | size_t mr, |
| 18 | size_t nc, |
| 19 | size_t kc, |
| 20 | const float*restrict a, |
| 21 | const float*restrict w, |
| 22 | float*restrict c, |
| 23 | size_t cm_stride, |
| 24 | size_t cn_stride, |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 25 | const union xnn_f32_minmax_params params[restrict static 1]) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 26 | { |
| 27 | assert(mr != 0); |
| 28 | assert(mr <= 4); |
| 29 | assert(nc != 0); |
| 30 | assert(kc != 0); |
| 31 | assert(kc % sizeof(float) == 0); |
| 32 | |
| 33 | float* c0 = c; |
| 34 | float* c1 = (float*) ((uintptr_t) c0 + cm_stride); |
| 35 | if XNN_UNPREDICTABLE(mr < 2) { |
| 36 | c1 = c0; |
| 37 | } |
| 38 | float* c2 = (float*) ((uintptr_t) c1 + cm_stride); |
| 39 | if XNN_UNPREDICTABLE(mr <= 2) { |
| 40 | c2 = c1; |
| 41 | } |
| 42 | float* c3 = (float*) ((uintptr_t) c2 + cm_stride); |
| 43 | if XNN_UNPREDICTABLE(mr != 4) { |
| 44 | c3 = c2; |
| 45 | } |
| 46 | |
| 47 | do { |
| 48 | float vacc0x0 = w[0]; |
| 49 | float vacc0x1 = w[1]; |
| 50 | float vacc1x0 = vacc0x0; |
| 51 | float vacc1x1 = vacc0x1; |
| 52 | float vacc2x0 = vacc0x0; |
| 53 | float vacc2x1 = vacc0x1; |
| 54 | float vacc3x0 = vacc0x0; |
| 55 | float vacc3x1 = vacc0x1; |
| 56 | w += 2; |
| 57 | |
| 58 | size_t k = kc; |
| 59 | do { |
| 60 | const float va0 = a[0]; |
| 61 | const float va1 = a[1]; |
| 62 | const float va2 = a[2]; |
| 63 | const float va3 = a[3]; |
| 64 | a += 4; |
| 65 | |
| 66 | const float vb0 = w[0]; |
| 67 | const float vb1 = w[1]; |
| 68 | w += 2; |
| 69 | |
| 70 | vacc0x0 += va0 * vb0; |
| 71 | vacc1x0 += va1 * vb0; |
| 72 | vacc2x0 += va2 * vb0; |
| 73 | vacc3x0 += va3 * vb0; |
| 74 | vacc0x1 += va0 * vb1; |
| 75 | vacc1x1 += va1 * vb1; |
| 76 | vacc2x1 += va2 * vb1; |
| 77 | vacc3x1 += va3 * vb1; |
| 78 | |
| 79 | k -= sizeof(float); |
| 80 | } while (k != 0); |
| 81 | |
| 82 | const float vmax = params->scalar.max; |
| 83 | vacc0x0 = math_min_f32(vacc0x0, vmax); |
| 84 | vacc1x0 = math_min_f32(vacc1x0, vmax); |
| 85 | vacc2x0 = math_min_f32(vacc2x0, vmax); |
| 86 | vacc3x0 = math_min_f32(vacc3x0, vmax); |
| 87 | vacc0x1 = math_min_f32(vacc0x1, vmax); |
| 88 | vacc1x1 = math_min_f32(vacc1x1, vmax); |
| 89 | vacc2x1 = math_min_f32(vacc2x1, vmax); |
| 90 | vacc3x1 = math_min_f32(vacc3x1, vmax); |
| 91 | |
| 92 | const float vmin = params->scalar.min; |
| 93 | vacc0x0 = math_max_f32(vacc0x0, vmin); |
| 94 | vacc1x0 = math_max_f32(vacc1x0, vmin); |
| 95 | vacc2x0 = math_max_f32(vacc2x0, vmin); |
| 96 | vacc3x0 = math_max_f32(vacc3x0, vmin); |
| 97 | vacc0x1 = math_max_f32(vacc0x1, vmin); |
| 98 | vacc1x1 = math_max_f32(vacc1x1, vmin); |
| 99 | vacc2x1 = math_max_f32(vacc2x1, vmin); |
| 100 | vacc3x1 = math_max_f32(vacc3x1, vmin); |
| 101 | |
| 102 | if XNN_LIKELY(nc >= 2) { |
| 103 | c3[0] = vacc3x0; |
| 104 | c3[1] = vacc3x1; |
| 105 | c2[0] = vacc2x0; |
| 106 | c2[1] = vacc2x1; |
| 107 | c1[0] = vacc1x0; |
| 108 | c1[1] = vacc1x1; |
| 109 | c0[0] = vacc0x0; |
| 110 | c0[1] = vacc0x1; |
| 111 | |
| 112 | a = (const float*) ((uintptr_t) a - kc * 4); |
| 113 | |
| 114 | c3 = (float*) ((uintptr_t) c3 + cn_stride); |
| 115 | c2 = (float*) ((uintptr_t) c2 + cn_stride); |
| 116 | c1 = (float*) ((uintptr_t) c1 + cn_stride); |
| 117 | c0 = (float*) ((uintptr_t) c0 + cn_stride); |
| 118 | |
| 119 | nc -= 2; |
| 120 | } else { |
| 121 | if (nc & 1) { |
| 122 | *c3 = vacc3x0; |
| 123 | *c2 = vacc2x0; |
| 124 | *c1 = vacc1x0; |
| 125 | *c0 = vacc0x0; |
| 126 | } |
| 127 | |
| 128 | nc = 0; |
| 129 | } |
| 130 | } while (nc != 0); |
| 131 | } |