1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
|
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Misc utilities for SIMD operations
#if defined(LIB_JXL_SIMD_UTIL_INL_H_) == defined(HWY_TARGET_TOGGLE)
#ifdef LIB_JXL_SIMD_UTIL_INL_H_
#undef LIB_JXL_SIMD_UTIL_INL_H_
#else
#define LIB_JXL_SIMD_UTIL_INL_H_
#endif
#include <hwy/highway.h>
#include "lib/jxl/base/compiler_specific.h"
HWY_BEFORE_NAMESPACE();
namespace jxl {
namespace HWY_NAMESPACE {
#if HWY_CAP_GE512
using hwy::HWY_NAMESPACE::Half;
using hwy::HWY_NAMESPACE::Vec;
template <size_t i, class DF, class V>
HWY_INLINE Vec<Half<Half<DF>>> Quarter(const DF df, V v) {
using HF = Half<DF>;
using HHF = Half<HF>;
auto half = i >= 2 ? UpperHalf(HF(), v) : LowerHalf(HF(), v);
return i & 1 ? UpperHalf(HHF(), half) : LowerHalf(HHF(), half);
}
template <class DF, class V>
HWY_INLINE Vec<DF> Concat4(const DF df, V v0, V v1, V v2, V v3) {
using HF = Half<DF>;
return Combine(DF(), Combine(HF(), v3, v2), Combine(HF(), v1, v0));
}
#endif
// Stores v0[0], v1[0], v0[1], v1[1], ... to mem, in this order. Mem must be
// aligned.
template <class DF, class V, typename T>
void StoreInterleaved(const DF df, V v0, V v1, T* mem) {
static_assert(sizeof(T) == 4, "only use StoreInterleaved for 4-byte types");
#if HWY_TARGET == HWY_SCALAR
Store(v0, df, mem);
Store(v1, df, mem + 1);
#elif !HWY_CAP_GE256
Store(InterleaveLower(df, v0, v1), df, mem);
Store(InterleaveUpper(df, v0, v1), df, mem + Lanes(df));
#else
if (!HWY_CAP_GE512 || Lanes(df) == 8) {
auto t0 = InterleaveLower(df, v0, v1);
auto t1 = InterleaveUpper(df, v0, v1);
Store(ConcatLowerLower(df, t1, t0), df, mem);
Store(ConcatUpperUpper(df, t1, t0), df, mem + Lanes(df));
} else {
#if HWY_CAP_GE512
auto t0 = InterleaveLower(df, v0, v1);
auto t1 = InterleaveUpper(df, v0, v1);
Store(Concat4(df, Quarter<0>(df, t0), Quarter<0>(df, t1),
Quarter<1>(df, t0), Quarter<1>(df, t1)),
df, mem);
Store(Concat4(df, Quarter<2>(df, t0), Quarter<2>(df, t1),
Quarter<3>(df, t0), Quarter<3>(df, t1)),
df, mem + Lanes(df));
#endif
}
#endif
}
// Stores v0[0], v1[0], v2[0], v3[0], v0[1] ... to mem, in this order. Mem must
// be aligned.
template <class DF, class V, typename T>
void StoreInterleaved(const DF df, V v0, V v1, V v2, V v3, T* mem) {
static_assert(sizeof(T) == 4, "only use StoreInterleaved for 4-byte types");
#if HWY_TARGET == HWY_SCALAR
Store(v0, df, mem);
Store(v1, df, mem + 1);
Store(v2, df, mem + 2);
Store(v3, df, mem + 3);
#elif !HWY_CAP_GE256
auto t0 = InterleaveLower(df, v0, v2);
auto t1 = InterleaveLower(df, v1, v3);
auto t2 = InterleaveUpper(df, v0, v2);
auto t3 = InterleaveUpper(df, v1, v3);
Store(InterleaveLower(df, t0, t1), df, mem);
Store(InterleaveUpper(df, t0, t1), df, mem + Lanes(df));
Store(InterleaveLower(df, t2, t3), df, mem + 2 * Lanes(df));
Store(InterleaveUpper(df, t2, t3), df, mem + 3 * Lanes(df));
#elif !HWY_CAP_GE512
auto t0 = InterleaveLower(df, v0, v2);
auto t1 = InterleaveLower(df, v1, v3);
auto t2 = InterleaveUpper(df, v0, v2);
auto t3 = InterleaveUpper(df, v1, v3);
auto m0 = InterleaveLower(df, t0, t1);
auto m1 = InterleaveUpper(df, t0, t1);
auto m2 = InterleaveLower(df, t2, t3);
auto m3 = InterleaveUpper(df, t2, t3);
Store(ConcatLowerLower(df, m1, m0), df, mem);
Store(ConcatLowerLower(df, m3, m2), df, mem + Lanes(df));
Store(ConcatUpperUpper(df, m1, m0), df, mem + 2 * Lanes(df));
Store(ConcatUpperUpper(df, m3, m2), df, mem + 3 * Lanes(df));
#else
auto t0 = InterleaveLower(df, v0, v2);
auto t1 = InterleaveLower(df, v1, v3);
auto t2 = InterleaveUpper(df, v0, v2);
auto t3 = InterleaveUpper(df, v1, v3);
auto m0 = InterleaveLower(df, t0, t1);
auto m1 = InterleaveUpper(df, t0, t1);
auto m2 = InterleaveLower(df, t2, t3);
auto m3 = InterleaveUpper(df, t2, t3);
Store(Concat4(df, Quarter<0>(df, m0), Quarter<0>(df, m1), Quarter<0>(df, m2),
Quarter<0>(df, m3)),
df, mem);
Store(Concat4(df, Quarter<1>(df, m0), Quarter<1>(df, m1), Quarter<1>(df, m2),
Quarter<1>(df, m3)),
df, mem + Lanes(df));
Store(Concat4(df, Quarter<2>(df, m0), Quarter<2>(df, m1), Quarter<2>(df, m2),
Quarter<2>(df, m3)),
df, mem + 2 * Lanes(df));
Store(Concat4(df, Quarter<3>(df, m0), Quarter<3>(df, m1), Quarter<3>(df, m2),
Quarter<3>(df, m3)),
df, mem + 3 * Lanes(df));
#endif
}
// Stores v0[0], v1[0], v2[0], v3[0], v4[0], v5[0], v6[0], v7[0], v0[1] ... to
// mem, in this order. Mem must be aligned.
template <class DF, class V>
void StoreInterleaved(const DF df, V v0, V v1, V v2, V v3, V v4, V v5, V v6,
V v7, float* mem) {
#if HWY_TARGET == HWY_SCALAR
Store(v0, df, mem);
Store(v1, df, mem + 1);
Store(v2, df, mem + 2);
Store(v3, df, mem + 3);
Store(v4, df, mem + 4);
Store(v5, df, mem + 5);
Store(v6, df, mem + 6);
Store(v7, df, mem + 7);
#elif !HWY_CAP_GE256
auto t0 = InterleaveLower(df, v0, v4);
auto t1 = InterleaveLower(df, v1, v5);
auto t2 = InterleaveLower(df, v2, v6);
auto t3 = InterleaveLower(df, v3, v7);
auto t4 = InterleaveUpper(df, v0, v4);
auto t5 = InterleaveUpper(df, v1, v5);
auto t6 = InterleaveUpper(df, v2, v6);
auto t7 = InterleaveUpper(df, v3, v7);
auto w0 = InterleaveLower(df, t0, t2);
auto w1 = InterleaveLower(df, t1, t3);
auto w2 = InterleaveUpper(df, t0, t2);
auto w3 = InterleaveUpper(df, t1, t3);
auto w4 = InterleaveLower(df, t4, t6);
auto w5 = InterleaveLower(df, t5, t7);
auto w6 = InterleaveUpper(df, t4, t6);
auto w7 = InterleaveUpper(df, t5, t7);
Store(InterleaveLower(df, w0, w1), df, mem);
Store(InterleaveUpper(df, w0, w1), df, mem + Lanes(df));
Store(InterleaveLower(df, w2, w3), df, mem + 2 * Lanes(df));
Store(InterleaveUpper(df, w2, w3), df, mem + 3 * Lanes(df));
Store(InterleaveLower(df, w4, w5), df, mem + 4 * Lanes(df));
Store(InterleaveUpper(df, w4, w5), df, mem + 5 * Lanes(df));
Store(InterleaveLower(df, w6, w7), df, mem + 6 * Lanes(df));
Store(InterleaveUpper(df, w6, w7), df, mem + 7 * Lanes(df));
#elif !HWY_CAP_GE512
auto t0 = InterleaveLower(df, v0, v4);
auto t1 = InterleaveLower(df, v1, v5);
auto t2 = InterleaveLower(df, v2, v6);
auto t3 = InterleaveLower(df, v3, v7);
auto t4 = InterleaveUpper(df, v0, v4);
auto t5 = InterleaveUpper(df, v1, v5);
auto t6 = InterleaveUpper(df, v2, v6);
auto t7 = InterleaveUpper(df, v3, v7);
auto w0 = InterleaveLower(df, t0, t2);
auto w1 = InterleaveLower(df, t1, t3);
auto w2 = InterleaveUpper(df, t0, t2);
auto w3 = InterleaveUpper(df, t1, t3);
auto w4 = InterleaveLower(df, t4, t6);
auto w5 = InterleaveLower(df, t5, t7);
auto w6 = InterleaveUpper(df, t4, t6);
auto w7 = InterleaveUpper(df, t5, t7);
auto m0 = InterleaveLower(df, w0, w1);
auto m1 = InterleaveUpper(df, w0, w1);
auto m2 = InterleaveLower(df, w2, w3);
auto m3 = InterleaveUpper(df, w2, w3);
auto m4 = InterleaveLower(df, w4, w5);
auto m5 = InterleaveUpper(df, w4, w5);
auto m6 = InterleaveLower(df, w6, w7);
auto m7 = InterleaveUpper(df, w6, w7);
Store(ConcatLowerLower(df, m1, m0), df, mem);
Store(ConcatLowerLower(df, m3, m2), df, mem + Lanes(df));
Store(ConcatLowerLower(df, m5, m4), df, mem + 2 * Lanes(df));
Store(ConcatLowerLower(df, m7, m6), df, mem + 3 * Lanes(df));
Store(ConcatUpperUpper(df, m1, m0), df, mem + 4 * Lanes(df));
Store(ConcatUpperUpper(df, m3, m2), df, mem + 5 * Lanes(df));
Store(ConcatUpperUpper(df, m5, m4), df, mem + 6 * Lanes(df));
Store(ConcatUpperUpper(df, m7, m6), df, mem + 7 * Lanes(df));
#else
auto t0 = InterleaveLower(df, v0, v4);
auto t1 = InterleaveLower(df, v1, v5);
auto t2 = InterleaveLower(df, v2, v6);
auto t3 = InterleaveLower(df, v3, v7);
auto t4 = InterleaveUpper(df, v0, v4);
auto t5 = InterleaveUpper(df, v1, v5);
auto t6 = InterleaveUpper(df, v2, v6);
auto t7 = InterleaveUpper(df, v3, v7);
auto w0 = InterleaveLower(df, t0, t2);
auto w1 = InterleaveLower(df, t1, t3);
auto w2 = InterleaveUpper(df, t0, t2);
auto w3 = InterleaveUpper(df, t1, t3);
auto w4 = InterleaveLower(df, t4, t6);
auto w5 = InterleaveLower(df, t5, t7);
auto w6 = InterleaveUpper(df, t4, t6);
auto w7 = InterleaveUpper(df, t5, t7);
auto m0 = InterleaveLower(df, w0, w1);
auto m1 = InterleaveUpper(df, w0, w1);
auto m2 = InterleaveLower(df, w2, w3);
auto m3 = InterleaveUpper(df, w2, w3);
auto m4 = InterleaveLower(df, w4, w5);
auto m5 = InterleaveUpper(df, w4, w5);
auto m6 = InterleaveLower(df, w6, w7);
auto m7 = InterleaveUpper(df, w6, w7);
Store(Concat4(df, Quarter<0>(df, m0), Quarter<0>(df, m1), Quarter<0>(df, m2),
Quarter<0>(df, m3)),
df, mem);
Store(Concat4(df, Quarter<0>(df, m4), Quarter<0>(df, m5), Quarter<0>(df, m6),
Quarter<0>(df, m7)),
df, mem + Lanes(df));
Store(Concat4(df, Quarter<1>(df, m0), Quarter<1>(df, m1), Quarter<1>(df, m2),
Quarter<1>(df, m3)),
df, mem + 2 * Lanes(df));
Store(Concat4(df, Quarter<1>(df, m4), Quarter<1>(df, m5), Quarter<1>(df, m6),
Quarter<1>(df, m7)),
df, mem + 3 * Lanes(df));
Store(Concat4(df, Quarter<2>(df, m0), Quarter<2>(df, m1), Quarter<2>(df, m2),
Quarter<2>(df, m3)),
df, mem + 4 * Lanes(df));
Store(Concat4(df, Quarter<2>(df, m4), Quarter<2>(df, m5), Quarter<2>(df, m6),
Quarter<2>(df, m7)),
df, mem + 5 * Lanes(df));
Store(Concat4(df, Quarter<3>(df, m0), Quarter<3>(df, m1), Quarter<3>(df, m2),
Quarter<3>(df, m3)),
df, mem + 6 * Lanes(df));
Store(Concat4(df, Quarter<3>(df, m4), Quarter<3>(df, m5), Quarter<3>(df, m6),
Quarter<3>(df, m7)),
df, mem + 7 * Lanes(df));
#endif
}
#if HWY_CAP_GE256
JXL_INLINE void Transpose8x8Block(const int32_t* JXL_RESTRICT from,
int32_t* JXL_RESTRICT to, size_t fromstride) {
const HWY_CAPPED(int32_t, 8) d;
auto i0 = Load(d, from);
auto i1 = Load(d, from + 1 * fromstride);
auto i2 = Load(d, from + 2 * fromstride);
auto i3 = Load(d, from + 3 * fromstride);
auto i4 = Load(d, from + 4 * fromstride);
auto i5 = Load(d, from + 5 * fromstride);
auto i6 = Load(d, from + 6 * fromstride);
auto i7 = Load(d, from + 7 * fromstride);
const auto q0 = InterleaveLower(d, i0, i2);
const auto q1 = InterleaveLower(d, i1, i3);
const auto q2 = InterleaveUpper(d, i0, i2);
const auto q3 = InterleaveUpper(d, i1, i3);
const auto q4 = InterleaveLower(d, i4, i6);
const auto q5 = InterleaveLower(d, i5, i7);
const auto q6 = InterleaveUpper(d, i4, i6);
const auto q7 = InterleaveUpper(d, i5, i7);
const auto r0 = InterleaveLower(d, q0, q1);
const auto r1 = InterleaveUpper(d, q0, q1);
const auto r2 = InterleaveLower(d, q2, q3);
const auto r3 = InterleaveUpper(d, q2, q3);
const auto r4 = InterleaveLower(d, q4, q5);
const auto r5 = InterleaveUpper(d, q4, q5);
const auto r6 = InterleaveLower(d, q6, q7);
const auto r7 = InterleaveUpper(d, q6, q7);
i0 = ConcatLowerLower(d, r4, r0);
i1 = ConcatLowerLower(d, r5, r1);
i2 = ConcatLowerLower(d, r6, r2);
i3 = ConcatLowerLower(d, r7, r3);
i4 = ConcatUpperUpper(d, r4, r0);
i5 = ConcatUpperUpper(d, r5, r1);
i6 = ConcatUpperUpper(d, r6, r2);
i7 = ConcatUpperUpper(d, r7, r3);
Store(i0, d, to);
Store(i1, d, to + 1 * 8);
Store(i2, d, to + 2 * 8);
Store(i3, d, to + 3 * 8);
Store(i4, d, to + 4 * 8);
Store(i5, d, to + 5 * 8);
Store(i6, d, to + 6 * 8);
Store(i7, d, to + 7 * 8);
}
#elif HWY_TARGET != HWY_SCALAR
JXL_INLINE void Transpose8x8Block(const int32_t* JXL_RESTRICT from,
int32_t* JXL_RESTRICT to, size_t fromstride) {
const HWY_CAPPED(int32_t, 4) d;
for (size_t n = 0; n < 8; n += 4) {
for (size_t m = 0; m < 8; m += 4) {
auto p0 = Load(d, from + n * fromstride + m);
auto p1 = Load(d, from + (n + 1) * fromstride + m);
auto p2 = Load(d, from + (n + 2) * fromstride + m);
auto p3 = Load(d, from + (n + 3) * fromstride + m);
const auto q0 = InterleaveLower(d, p0, p2);
const auto q1 = InterleaveLower(d, p1, p3);
const auto q2 = InterleaveUpper(d, p0, p2);
const auto q3 = InterleaveUpper(d, p1, p3);
const auto r0 = InterleaveLower(d, q0, q1);
const auto r1 = InterleaveUpper(d, q0, q1);
const auto r2 = InterleaveLower(d, q2, q3);
const auto r3 = InterleaveUpper(d, q2, q3);
Store(r0, d, to + m * 8 + n);
Store(r1, d, to + (1 + m) * 8 + n);
Store(r2, d, to + (2 + m) * 8 + n);
Store(r3, d, to + (3 + m) * 8 + n);
}
}
}
#endif
// NOLINTNEXTLINE(google-readability-namespace-comments)
} // namespace HWY_NAMESPACE
} // namespace jxl
HWY_AFTER_NAMESPACE();
#endif // LIB_JXL_SIMD_UTIL_INL_H_
|
