xref: /aosp_15_r20/external/XNNPACK/src/qc8-igemm/gen/3x4c2-minmax-fp32-wasmsimd-dot16x2-ld64.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-igemm/MRx4c2-wasmsimd-dot16x2.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2021 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 <wasm_simd128.h>
13 
14 #include <xnnpack/igemm.h>
15 #include <xnnpack/math.h>
16 
17 
xnn_qc8_igemm_minmax_fp32_ukernel_3x4c2__wasmsimd_dot16x2_ld64(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qc8_igemm_minmax_fp32_ukernel_3x4c2__wasmsimd_dot16x2_ld64(
19     size_t mr,
20     size_t nc,
21     size_t kc,
22     size_t ks,
23     const int8_t** restrict a,
24     const void* restrict w,
25     int8_t* restrict c,
26     size_t cm_stride,
27     size_t cn_stride,
28     size_t a_offset,
29     const int8_t* zero,
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 <= 3);
34   assert(nc != 0);
35   assert(kc != 0);
36   assert(ks != 0);
37   assert(ks % (3 * sizeof(void*)) == 0);
38   assert(a_offset % sizeof(int8_t) == 0);
39   assert(a != NULL);
40   assert(w != NULL);
41   assert(c != NULL);
42 
43   kc = round_up_po2(kc, 2);
44   int8_t* c0 = c;
45   int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46   if XNN_UNPREDICTABLE(mr < 2) {
47     c1 = c0;
48   }
49   int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50   if XNN_UNPREDICTABLE(mr <= 2) {
51     c2 = c1;
52   }
53 
54   do {
55     v128_t vacc0x0123 = wasm_v128_load(w);
56     v128_t vacc1x0123 = vacc0x0123;
57     v128_t vacc2x0123 = vacc0x0123;
58     w = (const void*) ((const int32_t*) w + 4);
59 
60     size_t p = ks;
61     do {
62       const int8_t* restrict a0 = a[0];
63       if XNN_UNPREDICTABLE(a0 != zero) {
64         a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
65       }
66       const int8_t* restrict a1 = a[1];
67       if XNN_UNPREDICTABLE(a1 != zero) {
68         a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
69       }
70       const int8_t* restrict a2 = a[2];
71       if XNN_UNPREDICTABLE(a2 != zero) {
72         a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
73       }
74       a += 3;
75 
76       size_t k = kc;
77       while (k >= 8 * sizeof(int8_t)) {
78         const v128_t vxa0 = wasm_i16x8_load8x8(a0);
79         a0 += 8;
80         const v128_t vxa1 = wasm_i16x8_load8x8(a1);
81         a1 += 8;
82         const v128_t vxa2 = wasm_i16x8_load8x8(a2);
83         a2 += 8;
84 
85         const v128_t vxb0 = wasm_i16x8_load8x8(w);
86 
87         vacc0x0123 = wasm_i32x4_add(vacc0x0123,
88           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
89         vacc1x0123 = wasm_i32x4_add(vacc1x0123,
90           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
91         vacc2x0123 = wasm_i32x4_add(vacc2x0123,
92           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 0, 0, 0, 0), vxb0));
93         const v128_t vxb1 = wasm_i16x8_load8x8((const int8_t*) w + 8);
94 
95         vacc0x0123 = wasm_i32x4_add(vacc0x0123,
96           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
97         vacc1x0123 = wasm_i32x4_add(vacc1x0123,
98           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
99         vacc2x0123 = wasm_i32x4_add(vacc2x0123,
100           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 1, 1, 1, 1), vxb1));
101         const v128_t vxb2 = wasm_i16x8_load8x8((const int8_t*) w + 16);
102 
103         vacc0x0123 = wasm_i32x4_add(vacc0x0123,
104           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
105         vacc1x0123 = wasm_i32x4_add(vacc1x0123,
106           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
107         vacc2x0123 = wasm_i32x4_add(vacc2x0123,
108           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 2, 2, 2, 2), vxb2));
109         const v128_t vxb3 = wasm_i16x8_load8x8((const int8_t*) w + 24);
110 
111         vacc0x0123 = wasm_i32x4_add(vacc0x0123,
112           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 3, 3, 3, 3), vxb3));
113         vacc1x0123 = wasm_i32x4_add(vacc1x0123,
114           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 3, 3, 3, 3), vxb3));
115         vacc2x0123 = wasm_i32x4_add(vacc2x0123,
116           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 3, 3, 3, 3), vxb3));
117 
118         w = (const void*) ((const int8_t*) w + 32);
119         k -= 8 * sizeof(int8_t);
120       }
121       if (k != 0) {
122         const v128_t vxa0 = wasm_i16x8_load8x8(a0);
123         a0 = (const int8_t*) ((uintptr_t) a0 + k);
124         const v128_t vxa1 = wasm_i16x8_load8x8(a1);
125         a1 = (const int8_t*) ((uintptr_t) a1 + k);
126         const v128_t vxa2 = wasm_i16x8_load8x8(a2);
127         a2 = (const int8_t*) ((uintptr_t) a2 + k);
128 
129         const v128_t vxb0 = wasm_i16x8_load8x8(w);
130         w = (const void*) ((const int8_t*) w + 8);
131 
132         vacc0x0123 = wasm_i32x4_add(vacc0x0123,
133           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
134         vacc1x0123 = wasm_i32x4_add(vacc1x0123,
135           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
136         vacc2x0123 = wasm_i32x4_add(vacc2x0123,
137           wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 0, 0, 0, 0), vxb0));
138 
139         if (k > 2 * sizeof(int8_t)) {
140           const v128_t vxb1 = wasm_i16x8_load8x8(w);
141           w = (const void*) ((const int8_t*) w + 8);
142 
143           vacc0x0123 = wasm_i32x4_add(vacc0x0123,
144             wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
145           vacc1x0123 = wasm_i32x4_add(vacc1x0123,
146             wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
147           vacc2x0123 = wasm_i32x4_add(vacc2x0123,
148             wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 1, 1, 1, 1), vxb1));
149 
150           if (k > 4 * sizeof(int8_t)) {
151             const v128_t vxb2 = wasm_i16x8_load8x8(w);
152             w = (const void*) ((const int8_t*) w + 8);
153 
154             vacc0x0123 = wasm_i32x4_add(vacc0x0123,
155               wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
156             vacc1x0123 = wasm_i32x4_add(vacc1x0123,
157               wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
158             vacc2x0123 = wasm_i32x4_add(vacc2x0123,
159               wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 2, 2, 2, 2), vxb2));
160           }
161         }
162       }
163       p -= 3 * sizeof(void*);
164     } while (p != 0);
165 
166     vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
167     vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
168     vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
169 
170     const v128_t vscale0123 = wasm_v128_load(w);
171     w = (const void*) ((const float*) w + 4);
172     vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale0123);
173     vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale0123);
174     vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale0123);
175 
176     const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
177     vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
178     vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
179     vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
180 
181     const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
182     vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
183     vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
184     vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
185 
186     const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
187     vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
188     vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
189     vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
190 
191     v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
192     v128_t vacc22x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc2x0123);
193 
194     v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc22x0123);
195 
196     const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
197     vout = wasm_i8x16_min(vout, voutput_max);
198 
199     if (nc >= 4) {
200       *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
201       *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
202       *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
203 
204       c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
205       c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
206       c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
207 
208       a = (const int8_t**restrict) ((uintptr_t) a - ks);
209 
210       nc -= 4;
211     } else {
212       uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
213       uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
214       uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
215       if (nc & 2) {
216         *((uint16_t*) c2) = (uint16_t) vout2;
217         vout2 >>= 16;
218         c2 += 2;
219         *((uint16_t*) c1) = (uint16_t) vout1;
220         vout1 >>= 16;
221         c1 += 2;
222         *((uint16_t*) c0) = (uint16_t) vout0;
223         vout0 >>= 16;
224         c0 += 2;
225       }
226       if (nc & 1) {
227         *c2 = (int8_t) vout2;
228         *c1 = (int8_t) vout1;
229         *c0 = (int8_t) vout0;
230       }
231 
232       nc = 0;
233     }
234   } while (nc != 0);
235 }
236