Marat Dukhan | d602154 | 2021-06-30 09:04:20 -0700 | [diff] [blame^] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/qs8-igemm/scalar.c.in |
| 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2021 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 | #include <math.h> |
| 12 | |
| 13 | #include <xnnpack/math.h> |
| 14 | #include <xnnpack/gemm.h> |
| 15 | |
| 16 | |
| 17 | void xnn_qc8_igemm_minmax_fp32_ukernel_2x2__scalar_lrint( |
| 18 | size_t mr, |
| 19 | size_t nc, |
| 20 | size_t kc, |
| 21 | size_t ks, |
| 22 | const int8_t**restrict a, |
| 23 | const void*restrict w, |
| 24 | int8_t*restrict c, |
| 25 | size_t cm_stride, |
| 26 | size_t cn_stride, |
| 27 | size_t a_offset, |
| 28 | const int8_t* zero, |
| 29 | const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| 30 | { |
| 31 | assert(mr != 0); |
| 32 | assert(mr <= 2); |
| 33 | assert(nc != 0); |
| 34 | assert(kc != 0); |
| 35 | assert(ks != 0); |
| 36 | assert(ks % (2 * sizeof(void*)) == 0); |
| 37 | assert(a != NULL); |
| 38 | assert(w != NULL); |
| 39 | assert(c != NULL); |
| 40 | |
| 41 | int8_t* c0 = c; |
| 42 | int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride); |
| 43 | if XNN_UNPREDICTABLE(mr != 2) { |
| 44 | c1 = c0; |
| 45 | } |
| 46 | |
| 47 | do { |
| 48 | int32_t vacc0x0 = ((const int32_t*) w)[0]; |
| 49 | int32_t vacc0x1 = ((const int32_t*) w)[1]; |
| 50 | int32_t vacc1x0 = vacc0x0; |
| 51 | int32_t vacc1x1 = vacc0x1; |
| 52 | w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t)); |
| 53 | |
| 54 | size_t p = ks; |
| 55 | do { |
| 56 | const int8_t* restrict a0 = a[0]; |
| 57 | assert(a0 != NULL); |
| 58 | if XNN_UNPREDICTABLE(a0 != zero) { |
| 59 | a0 = (const int8_t*) ((uintptr_t) a0 + a_offset); |
| 60 | } |
| 61 | const int8_t* restrict a1 = a[1]; |
| 62 | assert(a1 != NULL); |
| 63 | if XNN_UNPREDICTABLE(a1 != zero) { |
| 64 | a1 = (const int8_t*) ((uintptr_t) a1 + a_offset); |
| 65 | } |
| 66 | a += 2; |
| 67 | |
| 68 | size_t k = kc; |
| 69 | do { |
| 70 | const int32_t va0 = (int32_t) *a0++; |
| 71 | const int32_t va1 = (int32_t) *a1++; |
| 72 | |
| 73 | const int32_t vb0 = ((const int8_t*) w)[0]; |
| 74 | const int32_t vb1 = ((const int8_t*) w)[1]; |
| 75 | w = (const void*) ((uintptr_t) w + 2 * sizeof(int8_t)); |
| 76 | |
| 77 | vacc0x0 += va0 * vb0; |
| 78 | vacc0x1 += va0 * vb1; |
| 79 | vacc1x0 += va1 * vb0; |
| 80 | vacc1x1 += va1 * vb1; |
| 81 | |
| 82 | k -= sizeof(int8_t); |
| 83 | } while (k != 0); |
| 84 | p -= 2 * sizeof(void*); |
| 85 | } while (p != 0); |
| 86 | |
| 87 | float vfpacc0x0 = (float) vacc0x0; |
| 88 | float vfpacc0x1 = (float) vacc0x1; |
| 89 | float vfpacc1x0 = (float) vacc1x0; |
| 90 | float vfpacc1x1 = (float) vacc1x1; |
| 91 | |
| 92 | const float vscale0 = ((const float*) w)[0]; |
| 93 | vfpacc0x0 *= vscale0; |
| 94 | vfpacc1x0 *= vscale0; |
| 95 | const float vscale1 = ((const float*) w)[1]; |
| 96 | vfpacc0x1 *= vscale1; |
| 97 | vfpacc1x1 *= vscale1; |
| 98 | w = (const void*) ((const float*) w + 2); |
| 99 | |
| 100 | long vrndacc0x0 = lrintf(vfpacc0x0); |
| 101 | long vrndacc0x1 = lrintf(vfpacc0x1); |
| 102 | long vrndacc1x0 = lrintf(vfpacc1x0); |
| 103 | long vrndacc1x1 = lrintf(vfpacc1x1); |
| 104 | |
| 105 | const long voutput_min_less_zero_point = params->scalar_lrint.output_min_less_zero_point; |
| 106 | vrndacc0x0 = XNN_UNPREDICTABLE(vrndacc0x0 < voutput_min_less_zero_point) ? voutput_min_less_zero_point : vrndacc0x0; |
| 107 | vrndacc0x1 = XNN_UNPREDICTABLE(vrndacc0x1 < voutput_min_less_zero_point) ? voutput_min_less_zero_point : vrndacc0x1; |
| 108 | vrndacc1x0 = XNN_UNPREDICTABLE(vrndacc1x0 < voutput_min_less_zero_point) ? voutput_min_less_zero_point : vrndacc1x0; |
| 109 | vrndacc1x1 = XNN_UNPREDICTABLE(vrndacc1x1 < voutput_min_less_zero_point) ? voutput_min_less_zero_point : vrndacc1x1; |
| 110 | |
| 111 | const long voutput_max_less_zero_point = params->scalar_lrint.output_max_less_zero_point; |
| 112 | vrndacc0x0 = XNN_UNPREDICTABLE(vrndacc0x0 > voutput_max_less_zero_point) ? voutput_max_less_zero_point : vrndacc0x0; |
| 113 | vrndacc0x1 = XNN_UNPREDICTABLE(vrndacc0x1 > voutput_max_less_zero_point) ? voutput_max_less_zero_point : vrndacc0x1; |
| 114 | vrndacc1x0 = XNN_UNPREDICTABLE(vrndacc1x0 > voutput_max_less_zero_point) ? voutput_max_less_zero_point : vrndacc1x0; |
| 115 | vrndacc1x1 = XNN_UNPREDICTABLE(vrndacc1x1 > voutput_max_less_zero_point) ? voutput_max_less_zero_point : vrndacc1x1; |
| 116 | |
| 117 | const int32_t voutput_zero_point = params->scalar_lrint.output_zero_point; |
| 118 | int32_t vout0x0 = (int32_t) vrndacc0x0 + voutput_zero_point; |
| 119 | int32_t vout0x1 = (int32_t) vrndacc0x1 + voutput_zero_point; |
| 120 | int32_t vout1x0 = (int32_t) vrndacc1x0 + voutput_zero_point; |
| 121 | int32_t vout1x1 = (int32_t) vrndacc1x1 + voutput_zero_point; |
| 122 | |
| 123 | if XNN_LIKELY(nc >= 2) { |
| 124 | c1[0] = (int8_t) vout1x0; |
| 125 | c1[1] = (int8_t) vout1x1; |
| 126 | c0[0] = (int8_t) vout0x0; |
| 127 | c0[1] = (int8_t) vout0x1; |
| 128 | |
| 129 | c1 = (int8_t*) ((uintptr_t) c1 + cn_stride); |
| 130 | c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| 131 | |
| 132 | a = (const int8_t**restrict) ((uintptr_t) a - ks); |
| 133 | nc -= 2; |
| 134 | } else { |
| 135 | if (nc & 1) { |
| 136 | c1[0] = (int8_t) vout1x0; |
| 137 | c0[0] = (int8_t) vout0x0; |
| 138 | } |
| 139 | |
| 140 | nc = 0; |
| 141 | } |
| 142 | } while (nc != 0); |
| 143 | } |