1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c4-neondot.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 <arm_neon.h>
13
14 #include <xnnpack/igemm.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16 #include <xnnpack/math.h>
17
18
xnn_qc8_igemm_minmax_fp32_ukernel_6x8c4__neondot(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)])19 void xnn_qc8_igemm_minmax_fp32_ukernel_6x8c4__neondot(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 size_t ks,
24 const int8_t** restrict a,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 size_t a_offset,
30 const int8_t* zero,
31 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
32 {
33 assert(mr != 0);
34 assert(mr <= 6);
35 assert(nc != 0);
36 assert(kc != 0);
37 assert(ks != 0);
38 assert(ks % (6 * sizeof(void*)) == 0);
39 assert(a_offset % sizeof(int8_t) == 0);
40 assert(a != NULL);
41 assert(w != NULL);
42 assert(c != NULL);
43
44 kc = round_up_po2(kc, 4 * sizeof(int8_t));
45 int8_t* c0 = c;
46 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
47 if XNN_UNPREDICTABLE(mr < 2) {
48 c1 = c0;
49 }
50 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
51 if XNN_UNPREDICTABLE(mr <= 2) {
52 c2 = c1;
53 }
54 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
55 if XNN_UNPREDICTABLE(mr < 4) {
56 c3 = c2;
57 }
58 int8_t* c4 = (int8_t*) ((uintptr_t) c3 + cm_stride);
59 if XNN_UNPREDICTABLE(mr <= 4) {
60 c4 = c3;
61 }
62 int8_t* c5 = (int8_t*) ((uintptr_t) c4 + cm_stride);
63 if XNN_UNPREDICTABLE(mr != 6) {
64 c5 = c4;
65 }
66
67 do {
68 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
69 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
70 int32x4_t vacc1x0123 = vacc0x0123;
71 int32x4_t vacc1x4567 = vacc0x4567;
72 int32x4_t vacc2x0123 = vacc0x0123;
73 int32x4_t vacc2x4567 = vacc0x4567;
74 int32x4_t vacc3x0123 = vacc0x0123;
75 int32x4_t vacc3x4567 = vacc0x4567;
76 int32x4_t vacc4x0123 = vacc0x0123;
77 int32x4_t vacc4x4567 = vacc0x4567;
78 int32x4_t vacc5x0123 = vacc0x0123;
79 int32x4_t vacc5x4567 = vacc0x4567;
80
81 size_t p = ks;
82 do {
83 const int8_t* restrict a0 = a[0];
84 if XNN_UNPREDICTABLE(a0 != zero) {
85 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
86 }
87 const int8_t* restrict a1 = a[1];
88 if XNN_UNPREDICTABLE(a1 != zero) {
89 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
90 }
91 const int8_t* restrict a2 = a[2];
92 if XNN_UNPREDICTABLE(a2 != zero) {
93 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
94 }
95 const int8_t* restrict a3 = a[3];
96 if XNN_UNPREDICTABLE(a3 != zero) {
97 a3 = (const int8_t*) ((uintptr_t) a3 + a_offset);
98 }
99 const int8_t* restrict a4 = a[4];
100 if XNN_UNPREDICTABLE(a4 != zero) {
101 a4 = (const int8_t*) ((uintptr_t) a4 + a_offset);
102 }
103 const int8_t* restrict a5 = a[5];
104 if XNN_UNPREDICTABLE(a5 != zero) {
105 a5 = (const int8_t*) ((uintptr_t) a5 + a_offset);
106 }
107 a += 6;
108
109 // Inner accumulation loop along the 8 columns.
110 size_t k = kc;
111 // 2x partial unrolled loop to load 8 bytes at a time.
112 while (k >= 8 * sizeof(int8_t)) {
113 // Load a 6x8 block of activations.
114 const int8x8_t va0x01234567 = vld1_s8(a0); a0 += 8;
115 const int8x8_t va1x01234567 = vld1_s8(a1); a1 += 8;
116 const int8x8_t va2x01234567 = vld1_s8(a2); a2 += 8;
117 const int8x8_t va3x01234567 = vld1_s8(a3); a3 += 8;
118 const int8x8_t va4x01234567 = vld1_s8(a4); a4 += 8;
119 const int8x8_t va5x01234567 = vld1_s8(a5); a5 += 8;
120
121 // Load a 8x8 block of weights.
122 const int8x16_t vb0123x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
123 const int8x16_t vb0123x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
124 const int8x16_t vb4567x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
125 const int8x16_t vb4567x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
126
127 // Multiply-accumulate: 6x8 * 8x8 --> 6x8.
128 vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb0123x0123, va0x01234567, 0);
129 vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb0123x4567, va0x01234567, 0);
130 vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb0123x0123, va1x01234567, 0);
131 vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb0123x4567, va1x01234567, 0);
132 vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb0123x0123, va2x01234567, 0);
133 vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb0123x4567, va2x01234567, 0);
134 vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb0123x0123, va3x01234567, 0);
135 vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb0123x4567, va3x01234567, 0);
136 vacc4x0123 = vdotq_lane_s32(vacc4x0123, vb0123x0123, va4x01234567, 0);
137 vacc4x4567 = vdotq_lane_s32(vacc4x4567, vb0123x4567, va4x01234567, 0);
138 vacc5x0123 = vdotq_lane_s32(vacc5x0123, vb0123x0123, va5x01234567, 0);
139 vacc5x4567 = vdotq_lane_s32(vacc5x4567, vb0123x4567, va5x01234567, 0);
140 vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb4567x0123, va0x01234567, 1);
141 vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb4567x4567, va0x01234567, 1);
142 vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb4567x0123, va1x01234567, 1);
143 vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb4567x4567, va1x01234567, 1);
144 vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb4567x0123, va2x01234567, 1);
145 vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb4567x4567, va2x01234567, 1);
146 vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb4567x0123, va3x01234567, 1);
147 vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb4567x4567, va3x01234567, 1);
148 vacc4x0123 = vdotq_lane_s32(vacc4x0123, vb4567x0123, va4x01234567, 1);
149 vacc4x4567 = vdotq_lane_s32(vacc4x4567, vb4567x4567, va4x01234567, 1);
150 vacc5x0123 = vdotq_lane_s32(vacc5x0123, vb4567x0123, va5x01234567, 1);
151 vacc5x4567 = vdotq_lane_s32(vacc5x4567, vb4567x4567, va5x01234567, 1);
152
153 k -= 8 * sizeof(int8_t);
154 }
155 // Handle up to 4 final positions of `k`
156 if XNN_UNLIKELY(k != 0) {
157 // Load a 6x4 block of activations.
158 const int8x8_t va0x01234567 = vld1_s8(a0);
159 const int8x8_t va1x01234567 = vld1_s8(a1);
160 const int8x8_t va2x01234567 = vld1_s8(a2);
161 const int8x8_t va3x01234567 = vld1_s8(a3);
162 const int8x8_t va4x01234567 = vld1_s8(a4);
163 const int8x8_t va5x01234567 = vld1_s8(a5);
164
165 // Load a 4x8 block of weights.
166 const int8x16_t vb0123x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
167 const int8x16_t vb0123x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
168
169 // Multiply-accumulate: 6x4 * 4x8 --> 6x8.
170 vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb0123x0123, va0x01234567, 0);
171 vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb0123x4567, va0x01234567, 0);
172 vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb0123x0123, va1x01234567, 0);
173 vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb0123x4567, va1x01234567, 0);
174 vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb0123x0123, va2x01234567, 0);
175 vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb0123x4567, va2x01234567, 0);
176 vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb0123x0123, va3x01234567, 0);
177 vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb0123x4567, va3x01234567, 0);
178 vacc4x0123 = vdotq_lane_s32(vacc4x0123, vb0123x0123, va4x01234567, 0);
179 vacc4x4567 = vdotq_lane_s32(vacc4x4567, vb0123x4567, va4x01234567, 0);
180 vacc5x0123 = vdotq_lane_s32(vacc5x0123, vb0123x0123, va5x01234567, 0);
181 vacc5x4567 = vdotq_lane_s32(vacc5x4567, vb0123x4567, va5x01234567, 0);
182 }
183 p -= 6 * sizeof(void*);
184 } while (p != 0);
185
186 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
187 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
188 float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123);
189 float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567);
190 float32x4_t vfpacc2x0123 = vcvtq_f32_s32(vacc2x0123);
191 float32x4_t vfpacc2x4567 = vcvtq_f32_s32(vacc2x4567);
192 float32x4_t vfpacc3x0123 = vcvtq_f32_s32(vacc3x0123);
193 float32x4_t vfpacc3x4567 = vcvtq_f32_s32(vacc3x4567);
194 float32x4_t vfpacc4x0123 = vcvtq_f32_s32(vacc4x0123);
195 float32x4_t vfpacc4x4567 = vcvtq_f32_s32(vacc4x4567);
196 float32x4_t vfpacc5x0123 = vcvtq_f32_s32(vacc5x0123);
197 float32x4_t vfpacc5x4567 = vcvtq_f32_s32(vacc5x4567);
198
199 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
200 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
201 vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale0123);
202 vfpacc2x0123 = vmulq_f32(vfpacc2x0123, vscale0123);
203 vfpacc3x0123 = vmulq_f32(vfpacc3x0123, vscale0123);
204 vfpacc4x0123 = vmulq_f32(vfpacc4x0123, vscale0123);
205 vfpacc5x0123 = vmulq_f32(vfpacc5x0123, vscale0123);
206 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
207 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
208 vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale4567);
209 vfpacc2x4567 = vmulq_f32(vfpacc2x4567, vscale4567);
210 vfpacc3x4567 = vmulq_f32(vfpacc3x4567, vscale4567);
211 vfpacc4x4567 = vmulq_f32(vfpacc4x4567, vscale4567);
212 vfpacc5x4567 = vmulq_f32(vfpacc5x4567, vscale4567);
213
214 vacc0x0123 = vcvtnq_s32_f32(vfpacc0x0123);
215 vacc0x4567 = vcvtnq_s32_f32(vfpacc0x4567);
216 vacc1x0123 = vcvtnq_s32_f32(vfpacc1x0123);
217 vacc1x4567 = vcvtnq_s32_f32(vfpacc1x4567);
218 vacc2x0123 = vcvtnq_s32_f32(vfpacc2x0123);
219 vacc2x4567 = vcvtnq_s32_f32(vfpacc2x4567);
220 vacc3x0123 = vcvtnq_s32_f32(vfpacc3x0123);
221 vacc3x4567 = vcvtnq_s32_f32(vfpacc3x4567);
222 vacc4x0123 = vcvtnq_s32_f32(vfpacc4x0123);
223 vacc4x4567 = vcvtnq_s32_f32(vfpacc4x4567);
224 vacc5x0123 = vcvtnq_s32_f32(vfpacc5x0123);
225 vacc5x4567 = vcvtnq_s32_f32(vfpacc5x4567);
226
227 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->fp32_neonv8.output_zero_point);
228 #if XNN_ARCH_ARM64
229 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
230 const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
231 const int16x8_t vacc2x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567), voutput_zero_point);
232 const int16x8_t vacc3x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567), voutput_zero_point);
233 const int16x8_t vacc4x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc4x0123), vacc4x4567), voutput_zero_point);
234 const int16x8_t vacc5x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc5x0123), vacc5x4567), voutput_zero_point);
235
236 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
237 int8x16_t vout2x01234567_3x01234567 = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc3x01234567);
238 int8x16_t vout4x01234567_5x01234567 = vqmovn_high_s16(vqmovn_s16(vacc4x01234567), vacc5x01234567);
239 #else
240 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
241 const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
242 const int16x8_t vacc2x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567)), voutput_zero_point);
243 const int16x8_t vacc3x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567)), voutput_zero_point);
244 const int16x8_t vacc4x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc4x0123), vqmovn_s32(vacc4x4567)), voutput_zero_point);
245 const int16x8_t vacc5x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc5x0123), vqmovn_s32(vacc5x4567)), voutput_zero_point);
246
247 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
248 int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc3x01234567));
249 int8x16_t vout4x01234567_5x01234567 = vcombine_s8(vqmovn_s16(vacc4x01234567), vqmovn_s16(vacc5x01234567));
250 #endif
251 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->fp32_neonv8.output_min);
252 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neonv8.output_max);
253
254 vout4x01234567_5x01234567 = vmaxq_s8(vout4x01234567_5x01234567, voutput_min);
255 vout2x01234567_3x01234567 = vmaxq_s8(vout2x01234567_3x01234567, voutput_min);
256 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
257
258 vout4x01234567_5x01234567 = vminq_s8(vout4x01234567_5x01234567, voutput_max);
259 vout2x01234567_3x01234567 = vminq_s8(vout2x01234567_3x01234567, voutput_max);
260 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
261
262 if (nc >= 8) {
263 vst1_s8(c5 + 0, vget_high_s8(vout4x01234567_5x01234567));
264 vst1_s8(c4 + 0, vget_low_s8(vout4x01234567_5x01234567));
265 vst1_s8(c3 + 0, vget_high_s8(vout2x01234567_3x01234567));
266 vst1_s8(c2 + 0, vget_low_s8(vout2x01234567_3x01234567));
267 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
268 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
269
270 c5 = (int8_t*) ((uintptr_t) c5 + cn_stride);
271 c4 = (int8_t*) ((uintptr_t) c4 + cn_stride);
272 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
273 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
274 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
275 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
276
277 a = (const int8_t**restrict) ((uintptr_t) a - ks);
278
279 nc -= 8;
280 } else {
281 if (nc & 4) {
282 vst1q_lane_u32((void*) c5, vreinterpretq_u32_s8(vout4x01234567_5x01234567), 2); c5 += 4;
283 vst1q_lane_u32((void*) c4, vreinterpretq_u32_s8(vout4x01234567_5x01234567), 0); c4 += 4;
284 vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4;
285 vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4;
286 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
287 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
288 vout4x01234567_5x01234567 = vextq_s8(vout4x01234567_5x01234567, vout4x01234567_5x01234567, 4);
289 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
290 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
291 }
292 if (nc & 2) {
293 vst1q_lane_u16((void*) c5, vreinterpretq_u16_s8(vout4x01234567_5x01234567), 4); c5 += 2;
294 vst1q_lane_u16((void*) c4, vreinterpretq_u16_s8(vout4x01234567_5x01234567), 0); c4 += 2;
295 vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2;
296 vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2;
297 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
298 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
299 vout4x01234567_5x01234567 = vextq_s8(vout4x01234567_5x01234567, vout4x01234567_5x01234567, 2);
300 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
301 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
302 }
303 if (nc & 1) {
304 vst1q_lane_s8(c5, vout4x01234567_5x01234567, 8);
305 vst1q_lane_s8(c4, vout4x01234567_5x01234567, 0);
306 vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8);
307 vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0);
308 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
309 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
310 }
311
312 nc = 0;
313 }
314 } while (nc != 0);
315 }
316