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_qs8_gemm_minmax_fp32_ukernel_2x4c2s4__sse2_ld64(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_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])20 void xnn_qs8_gemm_minmax_fp32_ukernel_2x4c2s4__sse2_ld64(
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_qs8_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(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
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 do {
58 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
59 __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
60 a0 += 8;
61 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
62 __m128i vxa1 = _mm_srai_epi16(_mm_unpacklo_epi8(va1, va1), 8);
63 a1 += 8;
64
65 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
66 const __m128i vxb0 = _mm_srai_epi16(_mm_unpacklo_epi8(vb0, vb0), 8);
67
68 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb0));
69 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
70 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb0));
71 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
72 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 8));
73 const __m128i vxb1 = _mm_srai_epi16(_mm_unpacklo_epi8(vb1, vb1), 8);
74
75 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
76 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
77 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb1));
78 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
79 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 16));
80 const __m128i vxb2 = _mm_srai_epi16(_mm_unpacklo_epi8(vb2, vb2), 8);
81
82 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
83 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
84 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb2));
85 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
86 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 24));
87 const __m128i vxb3 = _mm_srai_epi16(_mm_unpacklo_epi8(vb3, vb3), 8);
88
89 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
90 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb3));
91
92 w = (const void*) ((const int8_t*) w + 32);
93 k -= 8 * sizeof(int8_t);
94 } while (k != 0);
95
96 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
97 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
98
99 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
100 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
101 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
102
103 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
104 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
105 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
106
107 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
108 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
109
110 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
111 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
112
113 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
114 vacc01x0123 = _mm_max_epi16(vacc01x0123, voutput_min);
115
116 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc01x0123);
117
118
119 if (nc >= 4) {
120 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
121 vout = _mm_shuffle_epi32(vout, _MM_SHUFFLE(0, 3, 2, 1));
122 unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(vout));
123
124 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
125 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
126
127 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
128 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
129
130 nc -= 4;
131 } else {
132 if (nc & 2) {
133 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
134 c0 += 2;
135 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
136 c1 += 2;
137 vout = _mm_srli_epi32(vout, 16);
138 }
139 if (nc & 1) {
140 *c0 = (int8_t) _mm_cvtsi128_si32(vout);
141 *c1 = (int8_t) _mm_extract_epi16(vout, 2);
142 }
143
144 nc = 0;
145 }
146 } while (nc != 0);
147 }
148