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 <emmintrin.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_4x4c2s4__sse2_ld128(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_4x4c2s4__sse2_ld128(
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 <= 4);
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, 8 * 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 const uint8_t* a2 = (const uint8_t*) ((uintptr_t) a1 + a_stride);
51 uint8_t* c2 = (uint8_t*) ((uintptr_t) c1 + cm_stride);
52 if XNN_UNPREDICTABLE(mr <= 2) {
53 a2 = a1;
54 c2 = c1;
55 }
56 const uint8_t* a3 = (const uint8_t*) ((uintptr_t) a2 + a_stride);
57 uint8_t* c3 = (uint8_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 const __m128i vb_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.kernel_zero_point);
72 const __m128i vzero = _mm_setzero_si128();
73 do {
74 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
75 __m128i vxa0 = _mm_unpacklo_epi8(va0, vzero);
76 a0 += 8;
77 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
78 __m128i vxa1 = _mm_unpacklo_epi8(va1, vzero);
79 a1 += 8;
80 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
81 __m128i vxa2 = _mm_unpacklo_epi8(va2, vzero);
82 a2 += 8;
83 const __m128i va3 = _mm_loadl_epi64((const __m128i*) a3);
84 __m128i vxa3 = _mm_unpacklo_epi8(va3, vzero);
85 a3 += 8;
86
87 const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
88 const __m128i vxb0 = _mm_sub_epi16(_mm_unpacklo_epi8(vb01, vzero), vb_zero_point);
89 const __m128i vxb1 = _mm_sub_epi16(_mm_unpackhi_epi8(vb01, vzero), vb_zero_point);
90
91 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb0));
92 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
93 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb0));
94 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
95 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb0));
96 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
97 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb0));
98 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
99
100 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
101 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
102 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb1));
103 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
104 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb1));
105 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
106 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb1));
107 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
108 const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const uint8_t*) w + 16));
109 const __m128i vxb2 = _mm_sub_epi16(_mm_unpacklo_epi8(vb23, vzero), vb_zero_point);
110 const __m128i vxb3 = _mm_sub_epi16(_mm_unpackhi_epi8(vb23, vzero), vb_zero_point);
111
112 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
113 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
114 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb2));
115 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
116 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb2));
117 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
118 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb2));
119 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
120
121 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
122 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb3));
123 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb3));
124 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb3));
125
126 w = (const void*) ((const uint8_t*) w + 32);
127 k -= 8 * sizeof(uint8_t);
128 } while (k != 0);
129
130 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
131 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
132 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
133 __m128 vscaled3x0123 = _mm_cvtepi32_ps(vacc3x0123);
134
135 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
136 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
137 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
138 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale);
139 vscaled3x0123 = _mm_mul_ps(vscaled3x0123, vscale);
140
141 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
142 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
143 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
144 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
145 vscaled3x0123 = _mm_min_ps(vscaled3x0123, voutput_max_less_zero_point);
146
147 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
148 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
149 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
150 vacc3x0123 = _mm_cvtps_epi32(vscaled3x0123);
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 __m128i vacc23x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc3x0123), voutput_zero_point);
155
156 __m128i vout = _mm_packus_epi16(vacc01x0123, vacc23x0123);
157
158 vout = _mm_max_epu8(vout, _mm_load_si128((const __m128i*) params->fp32_sse2.output_min));
159
160 if (nc >= 4) {
161 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
162 vout = _mm_shuffle_epi32(vout, _MM_SHUFFLE(0, 3, 2, 1));
163 unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(vout));
164 vout = _mm_shuffle_epi32(vout, _MM_SHUFFLE(0, 3, 2, 1));
165 unaligned_store_u32(c2, (uint32_t) _mm_cvtsi128_si32(vout));
166 vout = _mm_shuffle_epi32(vout, _MM_SHUFFLE(0, 3, 2, 1));
167 unaligned_store_u32(c3, (uint32_t) _mm_cvtsi128_si32(vout));
168
169 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
170 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
171 c2 = (uint8_t*) ((uintptr_t) c2 + cn_stride);
172 c3 = (uint8_t*) ((uintptr_t) c3 + cn_stride);
173
174 a0 = (const uint8_t*) ((uintptr_t) a0 - kc);
175 a1 = (const uint8_t*) ((uintptr_t) a1 - kc);
176 a2 = (const uint8_t*) ((uintptr_t) a2 - kc);
177 a3 = (const uint8_t*) ((uintptr_t) a3 - kc);
178
179 nc -= 4;
180 } else {
181 if (nc & 2) {
182 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
183 c0 += 2;
184 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
185 c1 += 2;
186 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout, 4));
187 c2 += 2;
188 unaligned_store_u16(c3, (uint16_t) _mm_extract_epi16(vout, 6));
189 c3 += 2;
190 vout = _mm_srli_epi32(vout, 16);
191 }
192 if (nc & 1) {
193 *c0 = (uint8_t) _mm_cvtsi128_si32(vout);
194 *c1 = (uint8_t) _mm_extract_epi16(vout, 2);
195 *c2 = (uint8_t) _mm_extract_epi16(vout, 4);
196 *c3 = (uint8_t) _mm_extract_epi16(vout, 6);
197 }
198
199 nc = 0;
200 }
201 } while (nc != 0);
202 }
203