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_3x4c2s4__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_3x4c2s4__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 <= 3);
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
57 do {
58 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
59 __m128i vacc1x0123 = vacc0x0123;
60 __m128i vacc2x0123 = vacc0x0123;
61 w = (const void*) ((const int32_t*) w + 4);
62
63 size_t k = kc;
64 const __m128i vb_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.kernel_zero_point);
65 const __m128i vzero = _mm_setzero_si128();
66 do {
67 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
68 __m128i vxa0 = _mm_unpacklo_epi8(va0, vzero);
69 a0 += 8;
70 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
71 __m128i vxa1 = _mm_unpacklo_epi8(va1, vzero);
72 a1 += 8;
73 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
74 __m128i vxa2 = _mm_unpacklo_epi8(va2, vzero);
75 a2 += 8;
76
77 const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
78 const __m128i vxb0 = _mm_sub_epi16(_mm_unpacklo_epi8(vb01, vzero), vb_zero_point);
79 const __m128i vxb1 = _mm_sub_epi16(_mm_unpackhi_epi8(vb01, vzero), vb_zero_point);
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 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb0));
86 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
87
88 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
89 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
90 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb1));
91 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
92 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb1));
93 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
94 const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const uint8_t*) w + 16));
95 const __m128i vxb2 = _mm_sub_epi16(_mm_unpacklo_epi8(vb23, vzero), vb_zero_point);
96 const __m128i vxb3 = _mm_sub_epi16(_mm_unpackhi_epi8(vb23, vzero), vb_zero_point);
97
98 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
99 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
100 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb2));
101 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
102 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb2));
103 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
104
105 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
106 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb3));
107 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb3));
108
109 w = (const void*) ((const uint8_t*) w + 32);
110 k -= 8 * sizeof(uint8_t);
111 } while (k != 0);
112
113 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
114 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
115 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
116
117 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
118 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
119 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
120 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale);
121
122 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
123 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
124 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
125 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
126
127 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
128 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
129 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
130
131 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
132 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
133 __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
134
135 __m128i vout = _mm_packus_epi16(vacc01x0123, vacc22x0123);
136
137 vout = _mm_max_epu8(vout, _mm_load_si128((const __m128i*) params->fp32_sse2.output_min));
138
139 if (nc >= 4) {
140 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
141 vout = _mm_shuffle_epi32(vout, _MM_SHUFFLE(0, 3, 2, 1));
142 unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(vout));
143 vout = _mm_shuffle_epi32(vout, _MM_SHUFFLE(0, 3, 2, 1));
144 unaligned_store_u32(c2, (uint32_t) _mm_cvtsi128_si32(vout));
145
146 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
147 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
148 c2 = (uint8_t*) ((uintptr_t) c2 + cn_stride);
149
150 a0 = (const uint8_t*) ((uintptr_t) a0 - kc);
151 a1 = (const uint8_t*) ((uintptr_t) a1 - kc);
152 a2 = (const uint8_t*) ((uintptr_t) a2 - kc);
153
154 nc -= 4;
155 } else {
156 if (nc & 2) {
157 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
158 c0 += 2;
159 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
160 c1 += 2;
161 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout, 4));
162 c2 += 2;
163 vout = _mm_srli_epi32(vout, 16);
164 }
165 if (nc & 1) {
166 *c0 = (uint8_t) _mm_cvtsi128_si32(vout);
167 *c1 = (uint8_t) _mm_extract_epi16(vout, 2);
168 *c2 = (uint8_t) _mm_extract_epi16(vout, 4);
169 }
170
171 nc = 0;
172 }
173 } while (nc != 0);
174 }
175