1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/MRx4c8-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 <emmintrin.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/unaligned.h>
17
18
xnn_qc8_gemm_minmax_fp32_ukernel_3x4c8__sse2_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)])19 void xnn_qc8_gemm_minmax_fp32_ukernel_3x4c8__sse2_ld128(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 const int8_t* restrict a,
24 size_t a_stride,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 3);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(kc % sizeof(int8_t) == 0);
36 assert(a != NULL);
37 assert(w != NULL);
38 assert(c != NULL);
39
40 kc = round_up_po2(kc, 8);
41 const int8_t* a0 = a;
42 int8_t* c0 = c;
43 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
44 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr < 2) {
46 a1 = a0;
47 c1 = c0;
48 }
49 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
50 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
51 if XNN_UNPREDICTABLE(mr <= 2) {
52 a2 = a1;
53 c2 = c1;
54 }
55
56 do {
57 __m128i vacc0x0 = _mm_cvtsi32_si128(((const int*) w)[0]);
58 __m128i vacc0x1 = _mm_cvtsi32_si128(((const int*) w)[1]);
59 __m128i vacc0x2 = _mm_cvtsi32_si128(((const int*) w)[2]);
60 __m128i vacc0x3 = _mm_cvtsi32_si128(((const int*) w)[3]);
61 __m128i vacc1x0 = vacc0x0;
62 __m128i vacc1x1 = vacc0x1;
63 __m128i vacc1x2 = vacc0x2;
64 __m128i vacc1x3 = vacc0x3;
65 __m128i vacc2x0 = vacc0x0;
66 __m128i vacc2x1 = vacc0x1;
67 __m128i vacc2x2 = vacc0x2;
68 __m128i vacc2x3 = vacc0x3;
69 w = (const int32_t*) w + 4;
70
71 size_t k = 0;
72 while (k < kc) {
73 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
74 const __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
75 a0 += 8;
76 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
77 const __m128i vxa1 = _mm_srai_epi16(_mm_unpacklo_epi8(va1, va1), 8);
78 a1 += 8;
79 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
80 const __m128i vxa2 = _mm_srai_epi16(_mm_unpacklo_epi8(va2, va2), 8);
81 a2 += 8;
82
83 const __m128i vb01 = _mm_load_si128((const __m128i*) w);
84 const __m128i vsb01 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb01);
85 const __m128i vxb0 = _mm_unpacklo_epi8(vb01, vsb01);
86 const __m128i vxb1 = _mm_unpackhi_epi8(vb01, vsb01);
87
88 vacc0x0 = _mm_add_epi32(vacc0x0, _mm_madd_epi16(vxa0, vxb0));
89 vacc0x1 = _mm_add_epi32(vacc0x1, _mm_madd_epi16(vxa0, vxb1));
90 vacc1x0 = _mm_add_epi32(vacc1x0, _mm_madd_epi16(vxa1, vxb0));
91 vacc1x1 = _mm_add_epi32(vacc1x1, _mm_madd_epi16(vxa1, vxb1));
92 vacc2x0 = _mm_add_epi32(vacc2x0, _mm_madd_epi16(vxa2, vxb0));
93 vacc2x1 = _mm_add_epi32(vacc2x1, _mm_madd_epi16(vxa2, vxb1));
94 const __m128i vb23 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 16));
95 const __m128i vsb23 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb23);
96 const __m128i vxb2 = _mm_unpacklo_epi8(vb23, vsb23);
97 const __m128i vxb3 = _mm_unpackhi_epi8(vb23, vsb23);
98
99 vacc0x2 = _mm_add_epi32(vacc0x2, _mm_madd_epi16(vxa0, vxb2));
100 vacc0x3 = _mm_add_epi32(vacc0x3, _mm_madd_epi16(vxa0, vxb3));
101 vacc1x2 = _mm_add_epi32(vacc1x2, _mm_madd_epi16(vxa1, vxb2));
102 vacc1x3 = _mm_add_epi32(vacc1x3, _mm_madd_epi16(vxa1, vxb3));
103 vacc2x2 = _mm_add_epi32(vacc2x2, _mm_madd_epi16(vxa2, vxb2));
104 vacc2x3 = _mm_add_epi32(vacc2x3, _mm_madd_epi16(vxa2, vxb3));
105
106 w = (const void*) ((const int8_t*) w + 32);
107 k += 8 * sizeof(int8_t);
108 }
109
110 const __m128i vacc0x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x0, vacc0x2), _mm_unpackhi_epi32(vacc0x0, vacc0x2));
111 const __m128i vacc0x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x1, vacc0x3), _mm_unpackhi_epi32(vacc0x1, vacc0x3));
112 const __m128i vacc1x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x0, vacc1x2), _mm_unpackhi_epi32(vacc1x0, vacc1x2));
113 const __m128i vacc1x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x1, vacc1x3), _mm_unpackhi_epi32(vacc1x1, vacc1x3));
114 const __m128i vacc2x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x0, vacc2x2), _mm_unpackhi_epi32(vacc2x0, vacc2x2));
115 const __m128i vacc2x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x1, vacc2x3), _mm_unpackhi_epi32(vacc2x1, vacc2x3));
116
117 __m128i vacc0x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x02, vacc0x13), _mm_unpackhi_epi32(vacc0x02, vacc0x13));
118 __m128i vacc1x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x02, vacc1x13), _mm_unpackhi_epi32(vacc1x02, vacc1x13));
119 __m128i vacc2x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x02, vacc2x13), _mm_unpackhi_epi32(vacc2x02, vacc2x13));
120
121 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
122 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
123 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
124
125 const __m128 vscale0123 = _mm_load_ps((const float*) w);
126 w = (const void*) ((const float*) w + 4);
127 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
128 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
129 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale0123);
130
131 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
132 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
133 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
134 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
135
136 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
137 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
138 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
139
140 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
141 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
142 __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
143
144 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
145 vacc01x0123 = _mm_max_epi16(vacc01x0123, voutput_min);
146 vacc22x0123 = _mm_max_epi16(vacc22x0123, voutput_min);
147
148 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123);
149
150
151 if (nc >= 4) {
152 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
153 vout = _mm_srli_si128(vout, 4);
154 unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(vout));
155 vout = _mm_srli_si128(vout, 4);
156 unaligned_store_u32(c2, (uint32_t) _mm_cvtsi128_si32(vout));
157
158 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
159 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
160 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
161
162 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
163 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
164 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
165
166 nc -= 4;
167 } else {
168 if (nc & 2) {
169 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
170 c0 += 2;
171 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
172 c1 += 2;
173 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout, 4));
174 c2 += 2;
175 vout = _mm_srli_epi32(vout, 16);
176 }
177 if (nc & 1) {
178 *c0 = (int8_t) _mm_cvtsi128_si32(vout);
179 *c1 = (int8_t) _mm_extract_epi16(vout, 2);
180 *c2 = (int8_t) _mm_extract_epi16(vout, 4);
181 }
182
183 nc = 0;
184 }
185 } while (nc != 0);
186 }
187