1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/MRx4c2s4-sse.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2022 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 #include <xnnpack/unaligned.h>
17
18
xnn_qc8_igemm_minmax_fp32_ukernel_2x4c2s4__sse41_ld128(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qc8_igemm_minmax_fp32_ukernel_2x4c2s4__sse41_ld128(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 size_t ks,
24 const int8_t** restrict a,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 size_t a_offset,
30 const int8_t* zero,
31 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
32 {
33 assert(mr != 0);
34 assert(mr <= 2);
35 assert(nc != 0);
36 assert(kc != 0);
37 assert(ks != 0);
38 assert(ks % (2 * sizeof(void*)) == 0);
39 assert(a_offset % sizeof(int8_t) == 0);
40 assert(a != NULL);
41 assert(w != NULL);
42 assert(c != NULL);
43
44 kc = round_up_po2(kc, 8 * sizeof(int8_t));
45 int8_t* c0 = c;
46 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
47 if XNN_UNPREDICTABLE(mr != 2) {
48 c1 = c0;
49 }
50
51 do {
52 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
53 __m128i vacc1x0123 = vacc0x0123;
54 w = (const void*) ((const int32_t*) w + 4);
55
56 size_t p = ks;
57 do {
58 const int8_t* restrict a0 = a[0];
59 if XNN_UNPREDICTABLE(a0 != zero) {
60 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
61 }
62 const int8_t* restrict a1 = a[1];
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 __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
71 __m128i vxa0 = _mm_cvtepi8_epi16(va0);
72 a0 += 8;
73 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
74 __m128i vxa1 = _mm_cvtepi8_epi16(va1);
75 a1 += 8;
76
77 const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
78 const __m128i vxb0 = _mm_cvtepi8_epi16(vb01);
79 const __m128i vxb1 = _mm_srai_epi16(_mm_unpackhi_epi8(vb01, vb01), 8);
80
81 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb0));
82 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
83 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb0));
84 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
85
86 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
87 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
88 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb1));
89 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
90 const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const int8_t*) w + 16));
91 const __m128i vxb2 = _mm_cvtepi8_epi16(vb23);
92 const __m128i vxb3 = _mm_srai_epi16(_mm_unpackhi_epi8(vb23, vb23), 8);
93
94 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
95 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
96 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb2));
97 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
98
99 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
100 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb3));
101
102 w = (const void*) ((const int8_t*) w + 32);
103 k -= 8 * sizeof(int8_t);
104 } while (k != 0);
105 p -= 2 * sizeof(void*);
106 } while (p != 0);
107
108 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
109 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
110
111 const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
112 w = (const void*) ((const float*) w + 4);
113 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
114 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
115
116 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
117 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
118 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
119
120 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
121 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
122
123 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
124 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
125
126
127 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc01x0123);
128
129 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
130
131 if (nc >= 4) {
132 unaligned_store_u32(c1, (uint32_t) _mm_extract_epi32(vout, 1));
133 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
134 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
135 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
136
137 a = (const int8_t**restrict) ((uintptr_t) a - ks);
138
139 nc -= 4;
140 } else {
141 if (nc & 2) {
142 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
143 c1 += 2;
144 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
145 c0 += 2;
146 vout = _mm_srli_epi32(vout, 16);
147 }
148 if (nc & 1) {
149 *c1 = (int8_t) _mm_extract_epi8(vout, 4);
150 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
151 }
152
153 nc = 0;
154 }
155 } while (nc != 0);
156 }
157