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_1x4c2s4__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_1x4c2s4__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 <= 1);
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
45 do {
46 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
47 w = (const void*) ((const int32_t*) w + 4);
48
49 size_t k = kc;
50 do {
51 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
52 __m128i vxa0 = _mm_cvtepi8_epi16(va0);
53 a0 += 8;
54
55 const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
56 const __m128i vxb0 = _mm_cvtepi8_epi16(vb01);
57 const __m128i vxb1 = _mm_srai_epi16(_mm_unpackhi_epi8(vb01, vb01), 8);
58
59 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb0));
60 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
61
62 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
63 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
64 const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const int8_t*) w + 16));
65 const __m128i vxb2 = _mm_cvtepi8_epi16(vb23);
66 const __m128i vxb3 = _mm_srai_epi16(_mm_unpackhi_epi8(vb23, vb23), 8);
67
68 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
69 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
70
71 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
72
73 w = (const void*) ((const int8_t*) w + 32);
74 k -= 8 * sizeof(int8_t);
75 } while (k != 0);
76
77 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
78
79 const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
80 w = (const void*) ((const float*) w + 4);
81 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
82
83 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
84 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
85
86 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
87
88 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
89 __m128i vacc00x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc0x0123), voutput_zero_point);
90
91
92 __m128i vout = _mm_packs_epi16(vacc00x0123, vacc00x0123);
93
94 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
95
96 if (nc >= 4) {
97 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
98
99 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
100
101 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
102
103 nc -= 4;
104 } else {
105 if (nc & 2) {
106 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
107 c0 += 2;
108 vout = _mm_srli_epi32(vout, 16);
109 }
110 if (nc & 1) {
111 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
112 }
113
114 nc = 0;
115 }
116 } while (nc != 0);
117 }
118