1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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/gemm.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/unaligned.h>
17
18
19
xnn_qc8_gemm_minmax_fp32_ukernel_4x4c2s4__sse41_ld128(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])20 void xnn_qc8_gemm_minmax_fp32_ukernel_4x4c2s4__sse41_ld128(
21 size_t mr,
22 size_t nc,
23 size_t kc,
24 const int8_t* restrict a,
25 size_t a_stride,
26 const void* restrict w,
27 int8_t* restrict c,
28 size_t cm_stride,
29 size_t cn_stride,
30 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 4);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(kc % sizeof(int8_t) == 0);
37 assert(a != NULL);
38 assert(w != NULL);
39 assert(c != NULL);
40
41 kc = round_up_po2(kc, 8 * sizeof(int8_t));
42 const int8_t* a0 = a;
43 int8_t* c0 = c;
44 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
45 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr < 2) {
47 a1 = a0;
48 c1 = c0;
49 }
50 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
51 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
52 if XNN_UNPREDICTABLE(mr <= 2) {
53 a2 = a1;
54 c2 = c1;
55 }
56 const int8_t* a3 = (const int8_t*) ((uintptr_t) a2 + a_stride);
57 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
58 if XNN_UNPREDICTABLE(mr != 4) {
59 a3 = a2;
60 c3 = c2;
61 }
62
63 do {
64 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
65 __m128i vacc1x0123 = vacc0x0123;
66 __m128i vacc2x0123 = vacc0x0123;
67 __m128i vacc3x0123 = vacc0x0123;
68 w = (const void*) ((const int32_t*) w + 4);
69
70 size_t k = kc;
71 do {
72 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
73 __m128i vxa0 = _mm_cvtepi8_epi16(va0);
74 a0 += 8;
75 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
76 __m128i vxa1 = _mm_cvtepi8_epi16(va1);
77 a1 += 8;
78 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
79 __m128i vxa2 = _mm_cvtepi8_epi16(va2);
80 a2 += 8;
81 const __m128i va3 = _mm_loadl_epi64((const __m128i*) a3);
82 __m128i vxa3 = _mm_cvtepi8_epi16(va3);
83 a3 += 8;
84
85 const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
86 const __m128i vxb0 = _mm_cvtepi8_epi16(vb01);
87 const __m128i vxb1 = _mm_srai_epi16(_mm_unpackhi_epi8(vb01, vb01), 8);
88
89 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb0));
90 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
91 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb0));
92 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
93 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb0));
94 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
95 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb0));
96 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
97
98 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
99 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
100 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb1));
101 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
102 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb1));
103 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
104 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb1));
105 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
106 const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const int8_t*) w + 16));
107 const __m128i vxb2 = _mm_cvtepi8_epi16(vb23);
108 const __m128i vxb3 = _mm_srai_epi16(_mm_unpackhi_epi8(vb23, vb23), 8);
109
110 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
111 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
112 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb2));
113 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
114 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb2));
115 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
116 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb2));
117 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
118
119 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
120 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb3));
121 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb3));
122 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb3));
123
124 w = (const void*) ((const int8_t*) w + 32);
125 k -= 8 * sizeof(int8_t);
126 } while (k != 0);
127
128 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
129 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
130 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
131 __m128 vscaled3x0123 = _mm_cvtepi32_ps(vacc3x0123);
132
133 const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
134 w = (const void*) ((const float*) w + 4);
135 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
136 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
137 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale0123);
138 vscaled3x0123 = _mm_mul_ps(vscaled3x0123, vscale0123);
139
140 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
141 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
142 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
143 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
144 vscaled3x0123 = _mm_min_ps(vscaled3x0123, voutput_max_less_zero_point);
145
146 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
147 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
148 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
149 vacc3x0123 = _mm_cvtps_epi32(vscaled3x0123);
150
151 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
152 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
153 __m128i vacc23x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc3x0123), voutput_zero_point);
154
155
156 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc23x0123);
157
158 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
159
160 if (nc >= 4) {
161 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
162 unaligned_store_u32(c1, (uint32_t) _mm_extract_epi32(vout, 1));
163 unaligned_store_u32(c2, (uint32_t) _mm_extract_epi32(vout, 2));
164 unaligned_store_u32(c3, (uint32_t) _mm_extract_epi32(vout, 3));
165
166 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
167 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
168 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
169 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
170
171 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
172 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
173 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
174 a3 = (const int8_t*) ((uintptr_t) a3 - kc);
175
176 nc -= 4;
177 } else {
178 if (nc & 2) {
179 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
180 c0 += 2;
181 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
182 c1 += 2;
183 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout, 4));
184 c2 += 2;
185 unaligned_store_u16(c3, (uint16_t) _mm_extract_epi16(vout, 6));
186 c3 += 2;
187 vout = _mm_srli_epi32(vout, 16);
188 }
189 if (nc & 1) {
190 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
191 *c1 = (int8_t) _mm_extract_epi8(vout, 4);
192 *c2 = (int8_t) _mm_extract_epi8(vout, 8);
193 *c3 = (int8_t) _mm_extract_epi8(vout, 12);
194 }
195
196 nc = 0;
197 }
198 } while (nc != 0);
199 }
200