1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/MRx4c2-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/gemm.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/unaligned.h>
17
18
19
xnn_qu8_gemm_minmax_fp32_ukernel_2x4c2__avx_ld64(size_t mr,size_t nc,size_t kc,const uint8_t * restrict a,size_t a_stride,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])20 void xnn_qu8_gemm_minmax_fp32_ukernel_2x4c2__avx_ld64(
21 size_t mr,
22 size_t nc,
23 size_t kc,
24 const uint8_t* restrict a,
25 size_t a_stride,
26 const void* restrict w,
27 uint8_t* restrict c,
28 size_t cm_stride,
29 size_t cn_stride,
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(kc % sizeof(uint8_t) == 0);
37 assert(a != NULL);
38 assert(w != NULL);
39 assert(c != NULL);
40
41 kc = round_up_po2(kc, 2 * sizeof(uint8_t));
42 const uint8_t* a0 = a;
43 uint8_t* c0 = c;
44 const uint8_t* a1 = (const uint8_t*) ((uintptr_t) a0 + a_stride);
45 uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr != 2) {
47 a1 = a0;
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 k = kc;
57 const __m128i vb_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.kernel_zero_point);
58 while (k >= 8 * sizeof(uint8_t)) {
59 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
60 const __m128i vxa0 = _mm_cvtepu8_epi16(va0);
61 a0 += 8;
62 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
63 const __m128i vxa1 = _mm_cvtepu8_epi16(va1);
64 a1 += 8;
65
66 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
67 const __m128i vxb0 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb0), vb_zero_point);
68
69 vacc0x0123 = _mm_add_epi32(vacc0x0123,
70 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
71 vacc1x0123 = _mm_add_epi32(vacc1x0123,
72 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
73 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 8));
74 const __m128i vxb1 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb1), vb_zero_point);
75
76 vacc0x0123 = _mm_add_epi32(vacc0x0123,
77 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
78 vacc1x0123 = _mm_add_epi32(vacc1x0123,
79 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
80 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 16));
81 const __m128i vxb2 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb2), vb_zero_point);
82
83 vacc0x0123 = _mm_add_epi32(vacc0x0123,
84 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
85 vacc1x0123 = _mm_add_epi32(vacc1x0123,
86 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
87 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 24));
88 const __m128i vxb3 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb3), vb_zero_point);
89
90 vacc0x0123 = _mm_add_epi32(vacc0x0123,
91 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3));
92 vacc1x0123 = _mm_add_epi32(vacc1x0123,
93 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(3, 3, 3, 3)), vxb3));
94
95 w = (const void*) ((const uint8_t*) w + 32);
96 k -= 8 * sizeof(uint8_t);
97 }
98 if (k != 0) {
99 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
100 const __m128i vxa0 = _mm_cvtepu8_epi16(va0);
101 a0 = (const uint8_t*) ((uintptr_t) a0 + k);
102 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
103 const __m128i vxa1 = _mm_cvtepu8_epi16(va1);
104 a1 = (const uint8_t*) ((uintptr_t) a1 + k);
105
106 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
107 const __m128i vxb0 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb0), vb_zero_point);
108 w = (const void*) ((const uint8_t*) w + 8);
109
110 vacc0x0123 = _mm_add_epi32(vacc0x0123,
111 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
112 vacc1x0123 = _mm_add_epi32(vacc1x0123,
113 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
114
115 if (k > 2 * sizeof(uint8_t)) {
116 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) w);
117 const __m128i vxb1 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb1), vb_zero_point);
118 w = (const void*) ((const uint8_t*) w + 8);
119
120 vacc0x0123 = _mm_add_epi32(vacc0x0123,
121 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
122 vacc1x0123 = _mm_add_epi32(vacc1x0123,
123 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
124
125 if (k > 4 * sizeof(uint8_t)) {
126 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) w);
127 const __m128i vxb2 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb2), vb_zero_point);
128 w = (const void*) ((const uint8_t*) w + 8);
129
130 vacc0x0123 = _mm_add_epi32(vacc0x0123,
131 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
132 vacc1x0123 = _mm_add_epi32(vacc1x0123,
133 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
134 }
135 }
136 }
137
138 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
139 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
140
141 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
142 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
143 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
144
145 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
146 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
147 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
148
149 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
150 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
151
152 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
153 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
154
155 __m128i vout = _mm_packus_epi16(vacc01x0123, vacc01x0123);
156
157 vout = _mm_max_epu8(vout, _mm_load_si128((const __m128i*) params->fp32_sse2.output_min));
158
159 if (nc >= 4) {
160 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
161 unaligned_store_u32(c1, (uint32_t) _mm_extract_epi32(vout, 1));
162
163 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
164 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
165
166 a0 = (const uint8_t*) ((uintptr_t) a0 - kc);
167 a1 = (const uint8_t*) ((uintptr_t) a1 - kc);
168
169 nc -= 4;
170 } else {
171 if (nc & 2) {
172 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
173 c0 += 2;
174 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
175 c1 += 2;
176 vout = _mm_srli_epi32(vout, 16);
177 }
178 if (nc & 1) {
179 *c0 = (uint8_t) _mm_extract_epi8(vout, 0);
180 *c1 = (uint8_t) _mm_extract_epi8(vout, 4);
181 }
182
183 nc = 0;
184 }
185 } while (nc != 0);
186 }
187