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
xnn_qu8_igemm_minmax_fp32_ukernel_2x4__scalar_lrintf(size_t mr,size_t nc,size_t kc,size_t ks,const uint8_t ** restrict a,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const uint8_t * zero,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qu8_igemm_minmax_fp32_ukernel_2x4__scalar_lrintf(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 size_t ks,
22 const uint8_t**restrict a,
23 const void*restrict w,
24 uint8_t*restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 size_t a_offset,
28 const uint8_t* zero,
29 const union xnn_qu8_conv_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 uint8_t* c0 = c;
42 uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
43 if XNN_UNPREDICTABLE(mr != 2) {
44 c1 = c0;
45 }
46
47 const int32_t vb_zero_point = params->fp32_scalar_lrintf.kernel_zero_point;
48 do {
49 int32_t vacc0x0 = ((const int32_t*) w)[0];
50 int32_t vacc0x1 = ((const int32_t*) w)[1];
51 int32_t vacc0x2 = ((const int32_t*) w)[2];
52 int32_t vacc0x3 = ((const int32_t*) w)[3];
53 int32_t vacc1x0 = vacc0x0;
54 int32_t vacc1x1 = vacc0x1;
55 int32_t vacc1x2 = vacc0x2;
56 int32_t vacc1x3 = vacc0x3;
57 w = (const void*) ((const int32_t*) w + 4);
58
59 size_t p = ks;
60 do {
61 const uint8_t* restrict a0 = a[0];
62 assert(a0 != NULL);
63 if XNN_UNPREDICTABLE(a0 != zero) {
64 a0 = (const uint8_t*) ((uintptr_t) a0 + a_offset);
65 }
66 const uint8_t* restrict a1 = a[1];
67 assert(a1 != NULL);
68 if XNN_UNPREDICTABLE(a1 != zero) {
69 a1 = (const uint8_t*) ((uintptr_t) a1 + a_offset);
70 }
71 a += 2;
72
73 size_t k = kc;
74 do {
75 const int32_t va0 = (int32_t) (uint32_t) *a0++;
76 const int32_t va1 = (int32_t) (uint32_t) *a1++;
77
78 const int32_t vb0 = (int32_t) (uint32_t) ((const uint8_t*) w)[0] - vb_zero_point;
79 const int32_t vb1 = (int32_t) (uint32_t) ((const uint8_t*) w)[1] - vb_zero_point;
80 const int32_t vb2 = (int32_t) (uint32_t) ((const uint8_t*) w)[2] - vb_zero_point;
81 const int32_t vb3 = (int32_t) (uint32_t) ((const uint8_t*) w)[3] - vb_zero_point;
82 w = (const void*) ((const uint8_t*) w + 4);
83
84 vacc0x0 += va0 * vb0;
85 vacc0x1 += va0 * vb1;
86 vacc0x2 += va0 * vb2;
87 vacc0x3 += va0 * vb3;
88 vacc1x0 += va1 * vb0;
89 vacc1x1 += va1 * vb1;
90 vacc1x2 += va1 * vb2;
91 vacc1x3 += va1 * vb3;
92
93 k -= sizeof(uint8_t);
94 } while (k != 0);
95 p -= 2 * sizeof(void*);
96 } while (p != 0);
97
98 float vfpacc0x0 = (float) vacc0x0;
99 float vfpacc0x1 = (float) vacc0x1;
100 float vfpacc0x2 = (float) vacc0x2;
101 float vfpacc0x3 = (float) vacc0x3;
102 float vfpacc1x0 = (float) vacc1x0;
103 float vfpacc1x1 = (float) vacc1x1;
104 float vfpacc1x2 = (float) vacc1x2;
105 float vfpacc1x3 = (float) vacc1x3;
106
107 const float vscale = params->fp32_scalar_lrintf.scale;
108 vfpacc0x0 *= vscale;
109 vfpacc0x1 *= vscale;
110 vfpacc0x2 *= vscale;
111 vfpacc0x3 *= vscale;
112 vfpacc1x0 *= vscale;
113 vfpacc1x1 *= vscale;
114 vfpacc1x2 *= vscale;
115 vfpacc1x3 *= vscale;
116
117 const float voutput_min_less_zero_point = params->fp32_scalar_lrintf.output_min_less_zero_point;
118 vfpacc0x0 = math_max_f32(vfpacc0x0, voutput_min_less_zero_point);
119 vfpacc0x1 = math_max_f32(vfpacc0x1, voutput_min_less_zero_point);
120 vfpacc0x2 = math_max_f32(vfpacc0x2, voutput_min_less_zero_point);
121 vfpacc0x3 = math_max_f32(vfpacc0x3, voutput_min_less_zero_point);
122 vfpacc1x0 = math_max_f32(vfpacc1x0, voutput_min_less_zero_point);
123 vfpacc1x1 = math_max_f32(vfpacc1x1, voutput_min_less_zero_point);
124 vfpacc1x2 = math_max_f32(vfpacc1x2, voutput_min_less_zero_point);
125 vfpacc1x3 = math_max_f32(vfpacc1x3, voutput_min_less_zero_point);
126
127 const float voutput_max_less_zero_point = params->fp32_scalar_lrintf.output_max_less_zero_point;
128 vfpacc0x0 = math_min_f32(vfpacc0x0, voutput_max_less_zero_point);
129 vfpacc0x1 = math_min_f32(vfpacc0x1, voutput_max_less_zero_point);
130 vfpacc0x2 = math_min_f32(vfpacc0x2, voutput_max_less_zero_point);
131 vfpacc0x3 = math_min_f32(vfpacc0x3, voutput_max_less_zero_point);
132 vfpacc1x0 = math_min_f32(vfpacc1x0, voutput_max_less_zero_point);
133 vfpacc1x1 = math_min_f32(vfpacc1x1, voutput_max_less_zero_point);
134 vfpacc1x2 = math_min_f32(vfpacc1x2, voutput_max_less_zero_point);
135 vfpacc1x3 = math_min_f32(vfpacc1x3, voutput_max_less_zero_point);
136
137 const int32_t vrndacc0x0 = (int32_t) lrintf(vfpacc0x0);
138 const int32_t vrndacc0x1 = (int32_t) lrintf(vfpacc0x1);
139 const int32_t vrndacc0x2 = (int32_t) lrintf(vfpacc0x2);
140 const int32_t vrndacc0x3 = (int32_t) lrintf(vfpacc0x3);
141 const int32_t vrndacc1x0 = (int32_t) lrintf(vfpacc1x0);
142 const int32_t vrndacc1x1 = (int32_t) lrintf(vfpacc1x1);
143 const int32_t vrndacc1x2 = (int32_t) lrintf(vfpacc1x2);
144 const int32_t vrndacc1x3 = (int32_t) lrintf(vfpacc1x3);
145
146 const int32_t voutput_zero_point = params->fp32_scalar_lrintf.output_zero_point;
147 int32_t vout0x0 = vrndacc0x0 + voutput_zero_point;
148 int32_t vout0x1 = vrndacc0x1 + voutput_zero_point;
149 int32_t vout0x2 = vrndacc0x2 + voutput_zero_point;
150 int32_t vout0x3 = vrndacc0x3 + voutput_zero_point;
151 int32_t vout1x0 = vrndacc1x0 + voutput_zero_point;
152 int32_t vout1x1 = vrndacc1x1 + voutput_zero_point;
153 int32_t vout1x2 = vrndacc1x2 + voutput_zero_point;
154 int32_t vout1x3 = vrndacc1x3 + voutput_zero_point;
155
156 if XNN_LIKELY(nc >= 4) {
157 c1[0] = (uint8_t) vout1x0;
158 c1[1] = (uint8_t) vout1x1;
159 c1[2] = (uint8_t) vout1x2;
160 c1[3] = (uint8_t) vout1x3;
161 c0[0] = (uint8_t) vout0x0;
162 c0[1] = (uint8_t) vout0x1;
163 c0[2] = (uint8_t) vout0x2;
164 c0[3] = (uint8_t) vout0x3;
165
166 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
167 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
168
169 a = (const uint8_t**restrict) ((uintptr_t) a - ks);
170 nc -= 4;
171 } else {
172 if (nc & 2) {
173 c1[0] = (uint8_t) vout1x0;
174 c1[1] = (uint8_t) vout1x1;
175 vout1x0 = vout1x2;
176 c1 += 2;
177 c0[0] = (uint8_t) vout0x0;
178 c0[1] = (uint8_t) vout0x1;
179 vout0x0 = vout0x2;
180 c0 += 2;
181 }
182 if (nc & 1) {
183 c1[0] = (uint8_t) vout1x0;
184 c0[0] = (uint8_t) vout0x0;
185 }
186
187 nc = 0;
188 }
189 } while (nc != 0);
190 }
191