1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/MRx4c8-sse.c.in
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 <smmintrin.h>
13
14 #include <xnnpack/igemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qu8_igemm_minmax_fp32_ukernel_2x4c8__sse41_ld64(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)])18 void xnn_qu8_igemm_minmax_fp32_ukernel_2x4c8__sse41_ld64(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const uint8_t** restrict a,
24 const void* restrict w,
25 uint8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const uint8_t* zero,
30 const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 2);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (2 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(uint8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 kc = round_up_po2(kc, 8);
44 uint8_t* c0 = c;
45 uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr != 2) {
47 c1 = c0;
48 }
49
50 do {
51 __m128i vacc0x0 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[0]);
52 __m128i vacc0x1 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[1]);
53 __m128i vacc0x2 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[2]);
54 __m128i vacc0x3 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[3]);
55 __m128i vacc1x0 = vacc0x0;
56 __m128i vacc1x1 = vacc0x1;
57 __m128i vacc1x2 = vacc0x2;
58 __m128i vacc1x3 = vacc0x3;
59 w = (const void*) ((const int32_t*) w + 4);
60
61 size_t p = ks;
62 do {
63 const uint8_t* restrict a0 = a[0];
64 if XNN_UNPREDICTABLE(a0 != zero) {
65 a0 = (const uint8_t*) ((uintptr_t) a0 + a_offset);
66 }
67 const uint8_t* restrict a1 = a[1];
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 = 0;
74 const __m128i vb_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.kernel_zero_point);
75 while (k < kc) {
76 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
77 const __m128i vxa0 = _mm_cvtepu8_epi16(va0);
78 a0 += 8;
79 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
80 const __m128i vxa1 = _mm_cvtepu8_epi16(va1);
81 a1 += 8;
82
83 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
84 const __m128i vxb0 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb0), vb_zero_point);
85
86 vacc0x0 = _mm_add_epi32(vacc0x0, _mm_madd_epi16(vxa0, vxb0));
87 vacc1x0 = _mm_add_epi32(vacc1x0, _mm_madd_epi16(vxa1, vxb0));
88 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 8));
89 const __m128i vxb1 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb1), vb_zero_point);
90
91 vacc0x1 = _mm_add_epi32(vacc0x1, _mm_madd_epi16(vxa0, vxb1));
92 vacc1x1 = _mm_add_epi32(vacc1x1, _mm_madd_epi16(vxa1, vxb1));
93 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 16));
94 const __m128i vxb2 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb2), vb_zero_point);
95
96 vacc0x2 = _mm_add_epi32(vacc0x2, _mm_madd_epi16(vxa0, vxb2));
97 vacc1x2 = _mm_add_epi32(vacc1x2, _mm_madd_epi16(vxa1, vxb2));
98 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 24));
99 const __m128i vxb3 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb3), vb_zero_point);
100
101 vacc0x3 = _mm_add_epi32(vacc0x3, _mm_madd_epi16(vxa0, vxb3));
102 vacc1x3 = _mm_add_epi32(vacc1x3, _mm_madd_epi16(vxa1, vxb3));
103
104 w = (const void*) ((const uint8_t*) w + 32);
105 k += 8 * sizeof(uint8_t);
106 }
107 p -= 2 * sizeof(void*);
108 } while (p != 0);
109
110 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
111 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
112 const __m128i vacc1x01 = _mm_hadd_epi32(vacc1x0, vacc1x1);
113 const __m128i vacc1x23 = _mm_hadd_epi32(vacc1x2, vacc1x3);
114
115 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
116 __m128i vacc1x0123 = _mm_hadd_epi32(vacc1x01, vacc1x23);
117
118 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
119 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
120
121 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
122 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
123 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
124
125 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
126 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
127 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
128
129 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
130 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
131
132 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
133 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
134
135 __m128i vout = _mm_packus_epi16(vacc01x0123, vacc01x0123);
136
137 vout = _mm_max_epu8(vout, _mm_load_si128((const __m128i*) params->fp32_sse2.output_min));
138
139 if (nc >= 4) {
140 *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1);
141 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
142 *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
143 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
144
145 a = (const uint8_t**restrict) ((uintptr_t) a - ks);
146
147 nc -= 4;
148 } else {
149 if (nc & 2) {
150 *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
151 c1 += 2;
152 *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
153 c0 += 2;
154 vout = _mm_srli_epi32(vout, 16);
155 }
156 if (nc & 1) {
157 *c1 = (uint8_t) _mm_extract_epi8(vout, 4);
158 *c0 = (uint8_t) _mm_extract_epi8(vout, 0);
159 }
160
161 nc = 0;
162 }
163 } while (nc != 0);
164 }
165