CUTLASS: predicated_tile_access_iterator.h Source File

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predicated_tile_access_iterator.h
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40 #pragma once
41
42 #include "cutlass/array.h"
43 #include "cutlass/coord.h"
44 #include "cutlass/cutlass.h"
45 #include "cutlass/layout/matrix.h"
46 #include "cutlass/layout/pitch_linear.h"
47 #include "cutlass/matrix_shape.h"
48 #include "cutlass/predicate_vector.h"
49 #include "cutlass/tensor_ref.h"
50 #include "cutlass/tensor_view.h"
51
53
55
56 namespace cutlass {
57 namespace transform {
58 namespace threadblock {
59
61
64 template <typename Shape, typename Element, typename Layout, int AdvanceRank,
65 typename ThreadMap, typename AccessType>
66 class PredicatedTileAccessIterator;
67
69
72 template <typename Shape_, typename Element_, int AdvanceRank,
73 typename ThreadMap_, typename AccessType_>
74 class PredicatedTileAccessIterator<Shape_, Element_, layout::PitchLinear,
75 AdvanceRank, ThreadMap_, AccessType_> {
76 public:
77 static_assert(
78 AdvanceRank == 0 || AdvanceRank == 1,
79 "Specialization for pitch-linear iterator may along advance along the "
80 "contiguous(rank=0) or strided(rank=1) dimension.");
81
82 using Shape = Shape_;
83 using Element = Element_;
84 using Layout = layout::PitchLinear;
85 static int const kAdvanceRank = AdvanceRank;
86 using ThreadMap = ThreadMap_;
87 using AccessType = AccessType_;
88
89 using Index = typename Layout::Index;
90 using LongIndex = typename Layout::LongIndex;
91
92 using TensorRef = TensorRef<Element, Layout>;
93 using TensorView = TensorView<Element, Layout>;
94 using TensorCoord = typename Layout::TensorCoord;
95
96 using Pointer = Element *;
97 using NonConstPointer = typename platform::remove_const<Element>::type *;
98
99 static int const kAccessesPerVector = ThreadMap::kElementsPerAccess / AccessType::kElements;
100
101 static_assert(!(ThreadMap::kElementsPerAccess % AccessType::kElements),
102 "Vectors implied by the thread map must be divisible by the access type.");
103
104 static int const kPredicatesPerByte = 4;
105 static int const kPredicatesPerWord = 4 * kPredicatesPerByte;
106
107 static int const kPredicateCount = ThreadMap::Iterations::kCount * kAccessesPerVector;
108
110 static int const kPredicateByteCount =
111 (kPredicateCount + kPredicatesPerByte - 1) / kPredicatesPerByte;
112 static int const kPredicateWordCount = (kPredicateByteCount + 3) / 4;
113
114 static unsigned const kPredicateMask = (1u << kPredicatesPerByte) - 1u;
115
116 static_assert(kPredicateWordCount <= 4, "Too many predicates.");
117
119 using Mask = Array<uint32_t, kPredicateWordCount>;
120
122 class Params {
123 public:
124 friend PredicatedTileAccessIterator;
125
126 private:
128 int stride_;
131 int inc_strided_;
134 int inc_next_;
137 int inc_advance_;
138
139 public:
140
141 // Default ctor
142 CUTLASS_HOST_DEVICE
143 Params(): stride_(0), inc_strided_(0), inc_next_(0), inc_advance_(0) { }
144
146 CUTLASS_HOST_DEVICE
147 Params(Layout const &layout) : stride_(layout.stride(0)) {
148 inc_strided_ = (stride_ * ThreadMap::Delta::kStrided) *
149 sizeof_bits<Element>::value / 8;
150
151 if (kAdvanceRank) {
152 // advance along strided dimension
153 inc_advance_ =
154 Shape::kStrided * stride_ * sizeof_bits<Element>::value / 8;
155 } else {
156 // advance along contiguous dimension
157 inc_advance_ = Shape::kContiguous * sizeof_bits<Element>::value / 8;
158 }
159
160 inc_next_ = inc_advance_ - (ThreadMap::Iterations::kStrided - 1) *
161 ThreadMap::Delta::kStrided * stride_ *
162 sizeof_bits<Element>::value / 8;
163 };
164 };
165
166 private:
168 using BytePointer = char *;
169
170 private:
171 //
172 // Data members
173 //
174
176 Params const &params_;
177
179 BytePointer pointer_;
180
182 uint32_t predicates_[kPredicateWordCount];
183
185 TensorCoord extent_;
186
188 TensorCoord thread_offset_;
189
191 TensorCoord residue_offset_;
192
194 bool is_residue_tile_;
195
197 int iteration_vector_;
198
200 int iteration_contiguous_;
201
203 int iteration_strided_;
204
205 private:
207 CUTLASS_DEVICE
208 void compute_predicates_(
210 TensorCoord extent,
212 bool is_steady_state = false) {
213
214 CUTLASS_PRAGMA_UNROLL
215 for (int i = 0; i < kPredicateWordCount; ++i) {
216 predicates_[i] = 0u;
217 }
218
219 for (int access_idx = 0; access_idx < ThreadMap::Iterations::kCount * kAccessesPerVector; ++access_idx) {
220
221 int s = access_idx / (ThreadMap::Iterations::kContiguous * kAccessesPerVector);
222
223 int access_residual = access_idx % (ThreadMap::Iterations::kContiguous * kAccessesPerVector);
224
225 int c = access_residual / kAccessesPerVector;
226 int v = access_residual % kAccessesPerVector;
227
228 TensorCoord iteration_coord(c * ThreadMap::Delta::kContiguous + v * AccessType::kElements,
229 s * ThreadMap::Delta::kStrided);
230
231 TensorCoord coord = thread_offset_ + iteration_coord;
232
233 bool guard;
234
235 if (is_steady_state) {
236 if (kAdvanceRank == 0) {
237 guard = (coord.strided() < extent.strided());
238 } else {
239 guard = (coord.contiguous() < extent.contiguous());
240 }
241 } else {
242 guard = (coord.strided() < extent.strided() &&
243 coord.contiguous() < extent.contiguous());
244 }
245
246 int pred_idx = v + kAccessesPerVector * (c + ThreadMap::Iterations::kContiguous * s);
247
248 int word_idx = pred_idx / kPredicatesPerWord;
249 int residual = pred_idx % kPredicatesPerWord;
250 int byte_idx = residual / kPredicatesPerByte;
251 int bit_idx = residual % kPredicatesPerByte;
252
253 predicates_[word_idx] |= (unsigned(guard) << (byte_idx * 8 + bit_idx));
254
255 }
256
257 }
258
259 public:
262 CUTLASS_HOST_DEVICE
263 PredicatedTileAccessIterator(
265 Params const &params,
267 Pointer pointer,
269 TensorCoord extent,
271 int thread_id,
273 TensorCoord const &threadblock_offset)
274 : params_(params),
275 pointer_(reinterpret_cast<BytePointer>(
276 const_cast<NonConstPointer>(pointer))),
277 extent_(extent),
278 is_residue_tile_(true) {
279
280 TensorCoord residue_extent;
281 if (kAdvanceRank) {
282
283 Index residue_size = (extent_[kAdvanceRank] % Shape::kStrided);
284 if (!residue_size) {
285 residue_size = Shape::kStrided;
286 }
287
288 residue_offset_ = make_Coord(0, residue_size);
289 residue_extent = make_Coord(
290 extent_.contiguous(),
291 min(threadblock_offset.strided() + residue_offset_.strided(), extent_.strided())
292 );
293
294 } else {
295
296 Index residue_size = (extent_[kAdvanceRank] % Shape::kContiguous);
297 if (!residue_size) {
298 residue_size = Shape::kContiguous;
299 }
300 residue_offset_ = make_Coord(residue_size, 0);
301 residue_extent = make_Coord(
302 min(extent_.contiguous(), threadblock_offset.contiguous() + residue_offset_.contiguous()),
303 extent_.strided()
304 );
305 }
306
307 // Per-thread offset in logical coordinates of tensor
308 thread_offset_ = threadblock_offset + ThreadMap::initial_offset(thread_id);
309
310 // update internal pointers
311 Layout layout(params_.stride_);
312 add_pointer_offset(layout(thread_offset_));
313
314 compute_predicates_(residue_extent, false);
315
316 set_iteration_index(0);
317 }
318
320 CUTLASS_HOST_DEVICE
321 PredicatedTileAccessIterator(
323 Params const &params,
325 Pointer pointer,
327 TensorCoord extent,
329 int thread_id)
330 : PredicatedTileAccessIterator(params, pointer, extent, thread_id,
331 make_Coord(0, 0)) {}
332
334 CUTLASS_HOST_DEVICE
335 void set_iteration_index(int index) {
336
337 iteration_vector_ = index % kAccessesPerVector;
338 int residual_access = index / kAccessesPerVector;
339
340 iteration_contiguous_ = residual_access % ThreadMap::Iterations::kContiguous;
341 iteration_strided_ = residual_access / ThreadMap::Iterations::kContiguous;
342
343 }
344
346 CUTLASS_HOST_DEVICE
347 void add_pointer_offset(LongIndex pointer_offset) {
348 pointer_ += sizeof_bits<Element>::value * pointer_offset / 8;
349 }
350
352 CUTLASS_DEVICE
353 void add_tile_offset(
354 TensorCoord const &tile_offset) {
355 if (is_residue_tile_) {
356
357 thread_offset_ += residue_offset_;
358
359 Layout layout(params_.stride_);
360 add_pointer_offset(layout(residue_offset_));
361
362 compute_predicates_(extent_, true);
363
364 if (kAdvanceRank) {
365 pointer_ += params_.inc_advance_ * (tile_offset.strided() - 1);
366 pointer_ += Shape::kContiguous * tile_offset.contiguous();
367 } else {
368 pointer_ += params_.inc_advance_ * (tile_offset.contiguous() - 1);
369 pointer_ += Shape::kStrided * tile_offset.strided();
370 }
371 } else {
372 if (kAdvanceRank) {
373 pointer_ += params_.inc_advance_ * tile_offset.strided();
374 pointer_ += Shape::kContiguous * tile_offset.contiguous();
375 } else {
376 pointer_ += params_.inc_advance_ * tile_offset.contiguous();
377 pointer_ += Shape::kStrided * tile_offset.strided();
378 }
379 }
380 is_residue_tile_ = false;
381 }
382
384 CUTLASS_HOST_DEVICE
385 AccessType *get() const {
386 return reinterpret_cast<AccessType *>(
387 pointer_ +
388 iteration_contiguous_ * (ThreadMap::Delta::kContiguous * sizeof_bits<Element>::value) / 8) + iteration_vector_;
389 }
390
392 CUTLASS_HOST_DEVICE
393 PredicatedTileAccessIterator &operator++() {
394
395 ++iteration_vector_;
396 if (iteration_vector_ < kAccessesPerVector) {
397 return *this;
398 }
399
400 iteration_vector_ = 0;
401 ++iteration_contiguous_;
402
403 if (iteration_contiguous_ < ThreadMap::Iterations::kContiguous) {
404 return *this;
405 }
406
407 // Enter here only if (iteration_contiguous_ ==
408 // ThreadMap::Iteration::kContiguous)
409 iteration_contiguous_ = 0;
410 ++iteration_strided_;
411
412 if (iteration_strided_ < ThreadMap::Iterations::kStrided) {
413 pointer_ += params_.inc_strided_;
414 return *this;
415 }
416
417 // Enter here only if (iteration_stride_ == ThreadMap::Iteration::kStrided)
418 // which means we enter the next tile.
419 iteration_strided_ = 0;
420
421 // advance to next tile
422 pointer_ += params_.inc_next_;
423
424 // now return to start tile - if the iterator is subsequently advanced, this
425 // subtraction as well as the subsequent integer addition are both elided by
426 // the compiler.
427 pointer_ -= params_.inc_advance_;
428
429 return *this;
430 }
431
433 CUTLASS_HOST_DEVICE
434 PredicatedTileAccessIterator operator++(int) {
435 PredicatedTileAccessIterator self(*this);
436 operator++();
437 return self;
438 }
439
441 CUTLASS_HOST_DEVICE
442 void clear_mask() {
443 CUTLASS_PRAGMA_UNROLL
444 for (int i = 0; i < kPredicateWordCount; ++i) {
445 predicates_[i] = 0u;
446 }
447
448 }
449
451 CUTLASS_HOST_DEVICE
452 void enable_mask() {
453 CUTLASS_PRAGMA_UNROLL
454 for (int i = 0; i < kPredicateWordCount; ++i) {
455 predicates_[i] = 0xffffffff;
456 }
457 }
458
460 CUTLASS_HOST_DEVICE
461 void set_mask(Mask const &mask) {
462 CUTLASS_PRAGMA_UNROLL
463 for (int i = 0; i < kPredicateWordCount; ++i) {
464 predicates_[i] = mask[i];
465 }
466
467 }
468
470 CUTLASS_HOST_DEVICE
471 void get_mask(Mask &mask) {
472 CUTLASS_PRAGMA_UNROLL
473 for (int i = 0; i < kPredicateWordCount; ++i) {
474 mask[i] = predicates_[i];
475 }
476 }
477
479 CUTLASS_HOST_DEVICE
480 bool valid() {
481
482
483 int pred_idx =
484 iteration_vector_ + kAccessesPerVector * (iteration_contiguous_ + iteration_strided_ * ThreadMap::Iterations::kContiguous);
485
486 int word_idx = pred_idx / kPredicatesPerWord;
487 int residual = pred_idx % kPredicatesPerWord;
488 int byte_idx = residual / kPredicatesPerByte;
489 int bit_idx = residual % kPredicatesPerByte;
490
491 bool pred = (predicates_[word_idx] & (1u << (byte_idx * 8 + bit_idx))) != 0;
492 return pred;
493
494
495 //return true;
496 }
497 };
498
500
508 template <typename Shape_, typename Element_, int AdvanceRank,
509 typename ThreadMap_, typename AccessType_>
510 class PredicatedTileAccessIterator<Shape_, Element_, layout::ColumnMajor,
511 AdvanceRank, ThreadMap_, AccessType_> {
512 public:
513 static_assert(
514 AdvanceRank == 0 || AdvanceRank == 1,
515 "Specialization for pitch-linear iterator may along advance along the "
516 "contiguous(rank=0) or strided(rank=1) dimension.");
517
518 using Shape = Shape_;
519 using Element = Element_;
520 using Layout = layout::ColumnMajor;
521 static int const kAdvanceRank = AdvanceRank;
522 using ThreadMap = ThreadMap_;
523 using AccessType = AccessType_;
524
525 using Index = typename Layout::Index;
526 using LongIndex = typename Layout::LongIndex;
527
528 using TensorRef = TensorRef<Element, Layout>;
529 using TensorView = TensorView<Element, Layout>;
530 using TensorCoord = typename Layout::TensorCoord;
531
532 using Pointer = Element *;
533 using NonConstPointer = typename platform::remove_const<Element>::type *;
534
535 using UnderlyingIterator = PredicatedTileAccessIterator<
536 layout::PitchLinearShape<Shape::kRow, Shape::kColumn>, Element,
537 layout::PitchLinear, (kAdvanceRank == 0 ? 0 : 1), ThreadMap, AccessType>;
538
540 using Mask = typename UnderlyingIterator::Mask;
541
542 static int const kAccessesPerVector = UnderlyingIterator::kAccessesPerVector;
543
545 class Params {
546 private:
547 friend PredicatedTileAccessIterator;
548
550 typename UnderlyingIterator::Params params_;
551
552 public:
553
555 CUTLASS_HOST_DEVICE
556 Params() { }
557
559 CUTLASS_HOST_DEVICE
560 Params(Layout const &layout)
561 : params_(layout::PitchLinear(layout.stride(0))){};
562 };
563
564 private:
565 //
566 // Data members
567 //
568
570 UnderlyingIterator iterator_;
571
572 public:
575 CUTLASS_HOST_DEVICE
576 PredicatedTileAccessIterator(
578 Params const &params,
580 Pointer pointer,
582 TensorCoord extent,
584 int thread_id,
586 TensorCoord const &threadblock_offset)
587 : iterator_(params.params_, pointer,
588 layout::PitchLinearCoord(extent.row(), extent.column()),
589 thread_id,
590 layout::PitchLinearCoord(threadblock_offset.row(),
591 threadblock_offset.column())) {}
592
594 CUTLASS_HOST_DEVICE
595 PredicatedTileAccessIterator(
596 Params const &params,
597 Pointer pointer,
598 TensorCoord extent,
599 int thread_id
600 )
601 : PredicatedTileAccessIterator(params, pointer, extent, thread_id,
602 make_Coord(0, 0)) {}
603
605 CUTLASS_HOST_DEVICE
606 void set_iteration_index(int index) { iterator_.set_iteration_index(index); }
607
609 CUTLASS_HOST_DEVICE
610 void add_pointer_offset(LongIndex pointer_offset) {
611 iterator_.add_pointer_offset(pointer_offset);
612 }
613
616 CUTLASS_HOST_DEVICE
617 void add_tile_offset(TensorCoord const &tile_offset) {
618 iterator_.add_tile_offset({tile_offset.row(), tile_offset.column()});
619 }
620
622 CUTLASS_HOST_DEVICE
623 AccessType *get() const {
624 return reinterpret_cast<AccessType *>(iterator_.get());
625 }
626
633 CUTLASS_HOST_DEVICE
634 PredicatedTileAccessIterator &operator++() {
635 ++iterator_;
636 return *this;
637 }
638
645 CUTLASS_HOST_DEVICE
646 PredicatedTileAccessIterator operator++(int) {
647 PredicatedTileAccessIterator self(*this);
648 operator++();
649 return self;
650 }
651
653 CUTLASS_HOST_DEVICE
654 void clear_mask() { iterator_.clear_mask(); }
655
657 CUTLASS_HOST_DEVICE
658 void enable_mask() { iterator_.enable_mask(); }
659
661 CUTLASS_HOST_DEVICE
662 void set_mask(Mask const &mask) { iterator_.set_mask(mask); }
663
665 CUTLASS_HOST_DEVICE
666 void get_mask(Mask &mask) { iterator_.get_mask(mask); }
667
669 CUTLASS_HOST_DEVICE
670 bool valid() {
671 return iterator_.valid();
672 }
673 };
674
676
684 template <typename Shape_, typename Element_, int AdvanceRank,
685 typename ThreadMap_, typename AccessType_>
686 class PredicatedTileAccessIterator<Shape_, Element_, layout::RowMajor,
687 AdvanceRank, ThreadMap_, AccessType_> {
688 public:
689 static_assert(
690 AdvanceRank == 0 || AdvanceRank == 1,
691 "Specialization for pitch-linear iterator may along advance along the "
692 "contiguous(rank=0) or strided(rank=1) dimension.");
693
694 using Shape = Shape_;
695 using Element = Element_;
696 using Layout = layout::RowMajor;
697 static int const kAdvanceRank = AdvanceRank;
698 using ThreadMap = ThreadMap_;
699 using AccessType = AccessType_;
700
701 using Index = typename Layout::Index;
702 using LongIndex = typename Layout::LongIndex;
703
704 using TensorRef = TensorRef<Element, Layout>;
705 using TensorView = TensorView<Element, Layout>;
706 using TensorCoord = typename Layout::TensorCoord;
707
708 using Pointer = Element *;
709 using NonConstPointer = typename platform::remove_const<Element>::type *;
710
711 using UnderlyingIterator = PredicatedTileAccessIterator<
712 layout::PitchLinearShape<Shape::kColumn, Shape::kRow>, Element,
713 layout::PitchLinear, (kAdvanceRank == 0 ? 1 : 0), ThreadMap, AccessType>;
714
715 static int const kAccessesPerVector = UnderlyingIterator::kAccessesPerVector;
716
718 using Mask = typename UnderlyingIterator::Mask;
719
721 class Params {
722 private:
723 friend PredicatedTileAccessIterator;
724
726 typename UnderlyingIterator::Params params_;
727
728 public:
729
731 CUTLASS_HOST_DEVICE
732 Params() { }
733
735 CUTLASS_HOST_DEVICE
736 Params(Layout const &layout)
737 : params_(layout::PitchLinear(layout.stride(0))){};
738 };
739
740 private:
741 //
742 // Data members
743 //
744
746 UnderlyingIterator iterator_;
747
748 public:
751 CUTLASS_HOST_DEVICE
752 PredicatedTileAccessIterator(
754 Params const &params,
756 Pointer pointer,
758 TensorCoord extent,
760 int thread_id,
762 TensorCoord const &threadblock_offset)
763 : iterator_(params.params_, pointer,
764 layout::PitchLinearCoord(extent.column(), extent.row()),
765 thread_id,
766 layout::PitchLinearCoord(threadblock_offset.column(),
767 threadblock_offset.row())) {}
768
770 CUTLASS_HOST_DEVICE
771 PredicatedTileAccessIterator(
772 Params const &params,
773 Pointer pointer,
774 TensorCoord extent,
775 int thread_id
776 )
777 : PredicatedTileAccessIterator(params, pointer, extent, thread_id,
778 make_Coord(0, 0)) {}
779
781 CUTLASS_HOST_DEVICE
782 void set_iteration_index(int index) { iterator_.set_iteration_index(index); }
783
785 CUTLASS_HOST_DEVICE
786 void add_pointer_offset(LongIndex pointer_offset) {
787 iterator_.add_pointer_offset(pointer_offset);
788 }
789
792 CUTLASS_HOST_DEVICE
793 void add_tile_offset(TensorCoord const &tile_offset) {
794 iterator_.add_tile_offset({tile_offset.column(), tile_offset.row()});
795 }
796
798 CUTLASS_HOST_DEVICE
799 AccessType *get() const {
800 return reinterpret_cast<AccessType *>(iterator_.get());
801 }
802
809 CUTLASS_HOST_DEVICE
810 PredicatedTileAccessIterator &operator++() {
811 ++iterator_;
812 return *this;
813 }
814
821 CUTLASS_HOST_DEVICE
822 PredicatedTileAccessIterator operator++(int) {
823 PredicatedTileAccessIterator self(*this);
824 operator++();
825 return self;
826 }
827
829 CUTLASS_HOST_DEVICE
830 void clear_mask() { iterator_.clear_mask(); }
831
833 CUTLASS_HOST_DEVICE
834 void enable_mask() { iterator_.enable_mask(); }
835
837 CUTLASS_HOST_DEVICE
838 void set_mask(Mask const &mask) { iterator_.set_mask(mask); }
839
841 CUTLASS_HOST_DEVICE
842 void get_mask(Mask &mask) { iterator_.get_mask(mask); }
843
845 CUTLASS_HOST_DEVICE
846 bool valid() {
847 return iterator_.valid();
848 }
849 };
850
852
861
862 template <typename Shape_, typename Element_, int AdvanceRank,
863 typename ThreadMap_, typename AccessType_, int InterleavedK>
864 class PredicatedTileAccessIterator<Shape_, Element_,
865 layout::ColumnMajorInterleaved<InterleavedK>,
866 AdvanceRank, ThreadMap_, AccessType_> {
867 public:
868 static_assert(
869 AdvanceRank == 0 || AdvanceRank == 1,
870 "Specialization for pitch-linear iterator may along advance along the "
871 "contiguous(rank=0) or strided(rank=1) dimension.");
872
873 using Shape = Shape_;
874 using Element = Element_;
875 static int const kInterleavedK = InterleavedK;
876 using Layout = layout::ColumnMajorInterleaved<kInterleavedK>;
877 static int const kAdvanceRank = AdvanceRank;
878 using ThreadMap = ThreadMap_;
879 using AccessType = AccessType_;
880
881 using Index = typename Layout::Index;
882 using LongIndex = typename Layout::LongIndex;
883
884 using TensorRef = TensorRef<Element, Layout>;
885 using TensorView = TensorView<Element, Layout>;
886 using TensorCoord = typename Layout::TensorCoord;
887
888 using Pointer = Element *;
889 using NonConstPointer = typename platform::remove_const<Element>::type *;
890
891 using UnderlyingIterator = PredicatedTileAccessIterator<
892 layout::PitchLinearShape<Shape::kRow * kInterleavedK,
893 Shape::kColumn / kInterleavedK>,
894 Element, layout::PitchLinear, (kAdvanceRank == 0 ? 0 : 1), ThreadMap,
895 AccessType>;
896
897 static int const kAccessesPerVector = UnderlyingIterator::kAccessesPerVector;
898
900 using Mask = typename UnderlyingIterator::Mask;
901
903 class Params {
904 private:
905 friend PredicatedTileAccessIterator;
906
908 typename UnderlyingIterator::Params params_;
909
910 public:
911 CUTLASS_HOST_DEVICE
912 Params() {}
913
915 CUTLASS_HOST_DEVICE
916 Params(Layout const &layout)
917 : params_(layout::PitchLinear(layout.stride(0))) {}
918 };
919
920 private:
921 //
922 // Data members
923 //
924
926 UnderlyingIterator iterator_;
927
928 public:
931 CUTLASS_HOST_DEVICE
932 PredicatedTileAccessIterator(
934 Params const &params,
936 Pointer pointer,
938 TensorCoord extent,
940 int thread_id,
942 TensorCoord const &threadblock_offset)
943 : iterator_(params.params_, pointer,
944 layout::PitchLinearCoord(extent.row() * kInterleavedK,
945 extent.column() / kInterleavedK),
946 thread_id,
947 layout::PitchLinearCoord(
948 threadblock_offset.row() * kInterleavedK,
949 threadblock_offset.column() / kInterleavedK)) {}
950
952 CUTLASS_HOST_DEVICE
953 PredicatedTileAccessIterator(
954 Params const &params,
955 Pointer pointer,
956 TensorCoord extent,
957 int thread_id
958 )
959 : PredicatedTileAccessIterator(params, pointer, extent, thread_id,
960 make_Coord(0, 0)) {}
961
963 CUTLASS_HOST_DEVICE
964 void set_iteration_index(int index) { iterator_.set_iteration_index(index); }
965
967 CUTLASS_HOST_DEVICE
968 void add_pointer_offset(LongIndex pointer_offset) {
969 iterator_.add_pointer_offset(pointer_offset);
970 }
971
974 CUTLASS_HOST_DEVICE
975 void add_tile_offset(TensorCoord const &tile_offset) {
976 iterator_.add_tile_offset({tile_offset.row(), tile_offset.column()});
977 }
978
980 CUTLASS_HOST_DEVICE
981 AccessType *get() const {
982 return reinterpret_cast<AccessType *>(iterator_.get());
983 }
984
991 CUTLASS_HOST_DEVICE
992 PredicatedTileAccessIterator &operator++() {
993 ++iterator_;
994 return *this;
995 }
996
1003 CUTLASS_HOST_DEVICE
1004 PredicatedTileAccessIterator operator++(int) {
1005 PredicatedTileAccessIterator self(*this);
1006 operator++();
1007 return self;
1008 }
1009
1011 CUTLASS_HOST_DEVICE
1012 void clear_mask() { iterator_.clear_mask(); }
1013
1015 CUTLASS_HOST_DEVICE
1016 void enable_mask() { iterator_.enable_mask(); }
1017
1019 CUTLASS_HOST_DEVICE
1020 void set_mask(Mask const &mask) { iterator_.set_mask(mask); }
1021
1023 CUTLASS_HOST_DEVICE
1024 void get_mask(Mask &mask) { iterator_.get_mask(mask); }
1025
1027 CUTLASS_HOST_DEVICE
1028 bool valid() { return iterator_.valid(); }
1029 };
1030
1032
1041 template <typename Shape_, typename Element_, int AdvanceRank,
1042 typename ThreadMap_, typename AccessType_, int InterleavedK>
1043 class PredicatedTileAccessIterator<Shape_, Element_,
1044 layout::RowMajorInterleaved<InterleavedK>,
1045 AdvanceRank, ThreadMap_, AccessType_> {
1046 public:
1047 static_assert(
1048 AdvanceRank == 0 || AdvanceRank == 1,
1049 "Specialization for pitch-linear iterator may along advance along the "
1050 "contiguous(rank=0) or strided(rank=1) dimension.");
1051
1052 using Shape = Shape_;
1053 using Element = Element_;
1054 static int const kInterleavedK = InterleavedK;
1055 using Layout = layout::RowMajorInterleaved<kInterleavedK>;
1056 static int const kAdvanceRank = AdvanceRank;
1057 using ThreadMap = ThreadMap_;
1058 using AccessType = AccessType_;
1059
1060 using Index = typename Layout::Index;
1061 using LongIndex = typename Layout::LongIndex;
1062
1063 using TensorRef = TensorRef<Element, Layout>;
1064 using TensorView = TensorView<Element, Layout>;
1065 using TensorCoord = typename Layout::TensorCoord;
1066
1067 using Pointer = Element *;
1068 using NonConstPointer = typename platform::remove_const<Element>::type *;
1069
1070 using UnderlyingIterator = PredicatedTileAccessIterator<
1071 layout::PitchLinearShape<Shape::kColumn * kInterleavedK,
1072 Shape::kRow / kInterleavedK>,
1073 Element, layout::PitchLinear, (kAdvanceRank == 0 ? 1 : 0), ThreadMap,
1074 AccessType>;
1075
1076
1077 static int const kAccessesPerVector = UnderlyingIterator::kAccessesPerVector;
1078
1080 using Mask = typename UnderlyingIterator::Mask;
1081
1083 class Params {
1084 private:
1085 friend PredicatedTileAccessIterator;
1086
1088 typename UnderlyingIterator::Params params_;
1089
1090 public:
1091 CUTLASS_HOST_DEVICE
1092 Params() {}
1093
1095 CUTLASS_HOST_DEVICE
1096 Params(Layout const &layout)
1097 : params_(layout::PitchLinear(layout.stride(0))) {}
1098 };
1099
1100 private:
1101 //
1102 // Data members
1103 //
1104
1106 UnderlyingIterator iterator_;
1107
1108 public:
1111 CUTLASS_HOST_DEVICE
1112 PredicatedTileAccessIterator(
1114 Params const &params,
1116 Pointer pointer,
1118 TensorCoord extent,
1120 int thread_id,
1122 TensorCoord const &threadblock_offset)
1123 : iterator_(params.params_, pointer,
1124 layout::PitchLinearCoord(extent.column() * kInterleavedK,
1125 extent.row() / kInterleavedK),
1126 thread_id,
1127 layout::PitchLinearCoord(
1128 threadblock_offset.column() * kInterleavedK,
1129 threadblock_offset.row() / kInterleavedK)) {}
1130
1132 CUTLASS_HOST_DEVICE
1133 PredicatedTileAccessIterator(
1134 Params const &params,
1135 Pointer pointer,
1136 TensorCoord extent,
1137 int thread_id
1138 )
1139 : PredicatedTileAccessIterator(params, pointer, extent, thread_id,
1140 make_Coord(0, 0)) {}
1141
1143 CUTLASS_HOST_DEVICE
1144 void set_iteration_index(int index) { iterator_.set_iteration_index(index); }
1145
1147 CUTLASS_HOST_DEVICE
1148 void add_pointer_offset(LongIndex pointer_offset) {
1149 iterator_.add_pointer_offset(pointer_offset);
1150 }
1151
1154 CUTLASS_HOST_DEVICE
1155 void add_tile_offset(TensorCoord const &tile_offset) {
1156 iterator_.add_tile_offset({tile_offset.column(), tile_offset.row()});
1157 }
1158
1160 CUTLASS_HOST_DEVICE
1161 AccessType *get() const {
1162 return reinterpret_cast<AccessType *>(iterator_.get());
1163 }
1164
1171 CUTLASS_HOST_DEVICE
1172 PredicatedTileAccessIterator &operator++() {
1173 ++iterator_;
1174 return *this;
1175 }
1176
1183 CUTLASS_HOST_DEVICE
1184 PredicatedTileAccessIterator operator++(int) {
1185 PredicatedTileAccessIterator self(*this);
1186 operator++();
1187 return self;
1188 }
1189
1191 CUTLASS_HOST_DEVICE
1192 void clear_mask() { iterator_.clear_mask(); }
1193
1195 CUTLASS_HOST_DEVICE
1196 void enable_mask() { iterator_.enable_mask(); }
1197
1199 CUTLASS_HOST_DEVICE
1200 void set_mask(Mask const &mask) { iterator_.set_mask(mask); }
1201
1203 CUTLASS_HOST_DEVICE
1204 void get_mask(Mask &mask) { iterator_.get_mask(mask); }
1205
1207 CUTLASS_HOST_DEVICE
1208 bool valid() { return iterator_.valid(); }
1209 };
1210
1212
1213 } // namespace threadblock
1214 } // namespace transform
1215 } // namespace cutlass
1216
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::set_iteration_index
CUTLASS_HOST_DEVICE void set_iteration_index(int index)
Overrides the internal iteration index.
Definition: predicated_tile_access_iterator.h:606
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator & operator++()
Definition: predicated_tile_access_iterator.h:1172
cutlass::layout::RowMajor::LongIndex
int64_t LongIndex
Long index type used for offsets.
Definition: layout/matrix.h:62
cutlass::layout::ColumnMajorInterleaved::LongIndex
int64_t LongIndex
Long index type used for offsets.
Definition: layout/matrix.h:355
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::LongIndex
typename Layout::LongIndex LongIndex
Definition: predicated_tile_access_iterator.h:702
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::get_mask
CUTLASS_HOST_DEVICE void get_mask(Mask &mask)
Gets the mask.
Definition: predicated_tile_access_iterator.h:842
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::AccessType
AccessType_ AccessType
Definition: predicated_tile_access_iterator.h:1058
cutlass
Definition: aligned_buffer.h:35
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::get_mask
CUTLASS_HOST_DEVICE void get_mask(Mask &mask)
Gets the mask.
Definition: predicated_tile_access_iterator.h:1204
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::set_mask
CUTLASS_HOST_DEVICE void set_mask(Mask const &mask)
Sets the predicate mask, overriding value stored in predicate iterator.
Definition: predicated_tile_access_iterator.h:1200
cutlass::layout::PitchLinearCoord
Coordinate in pitch-linear space.
Definition: pitch_linear.h:52
tensor_ref.h
Defines a structure containing strides, bounds, and a pointer to tensor data.
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id, TensorCoord const &threadblock_offset)
Definition: predicated_tile_access_iterator.h:932
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::LongIndex
typename Layout::LongIndex LongIndex
Definition: predicated_tile_access_iterator.h:882
cutlass::platform::remove_const::type
T type
Definition: platform.h:351
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::TensorCoord
typename Layout::TensorCoord TensorCoord
Definition: predicated_tile_access_iterator.h:1065
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Index
typename Layout::Index Index
Definition: predicated_tile_access_iterator.h:881
cutlass::layout::RowMajorInterleaved::LongIndex
int64_t LongIndex
Long index type used for offsets.
Definition: layout/matrix.h:249
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id)
Construct a PredicatedTileAccessIterator with zero threadblock offset.
Definition: predicated_tile_access_iterator.h:1133
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::Pointer
Element * Pointer
Definition: predicated_tile_access_iterator.h:532
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::add_pointer_offset
CUTLASS_HOST_DEVICE void add_pointer_offset(LongIndex pointer_offset)
Adds a pointer offset in units of Element.
Definition: predicated_tile_access_iterator.h:610
cutlass::layout::PitchLinear
Mapping function for pitch-linear memory.
Definition: pitch_linear.h:163
cutlass::layout::ColumnMajorInterleaved::Index
int32_t Index
Index type used for coordinates.
Definition: layout/matrix.h:352
coord.h
A Coord is a coordinate of arbitrary rank into a tensor or matrix.
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::TensorCoord
typename Layout::TensorCoord TensorCoord
Definition: predicated_tile_access_iterator.h:706
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Index
typename Layout::Index Index
Definition: predicated_tile_access_iterator.h:1060
cutlass::make_Coord
CUTLASS_HOST_DEVICE Coord< 1 > make_Coord(int _0)
Helper to make a 2-element coordinate.
Definition: coord.h:387
cutlass::layout::ColumnMajor::LongIndex
int64_t LongIndex
Long index type used for offsets.
Definition: layout/matrix.h:154
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::enable_mask
CUTLASS_HOST_DEVICE void enable_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:1196
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::add_tile_offset
CUTLASS_HOST_DEVICE void add_tile_offset(TensorCoord const &tile_offset)
Definition: predicated_tile_access_iterator.h:793
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id)
Construct a PredicatedTileAccessIterator with zero threadblock offset.
Definition: predicated_tile_access_iterator.h:595
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::NonConstPointer
typename platform::remove_const< Element >::type * NonConstPointer
Definition: predicated_tile_access_iterator.h:97
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::NonConstPointer
typename platform::remove_const< Element >::type * NonConstPointer
Definition: predicated_tile_access_iterator.h:709
cutlass::layout::RowMajorInterleaved::Index
int32_t Index
Index type used for coordinates.
Definition: layout/matrix.h:246
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::valid
CUTLASS_HOST_DEVICE bool valid()
Returns whether access is valid or not.
Definition: predicated_tile_access_iterator.h:670
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::enable_mask
CUTLASS_HOST_DEVICE void enable_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:1016
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Mask
typename UnderlyingIterator::Mask Mask
Predicate vector stores mask to guard accesses.
Definition: predicated_tile_access_iterator.h:1080
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator & operator++()
Definition: predicated_tile_access_iterator.h:992
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::set_iteration_index
CUTLASS_HOST_DEVICE void set_iteration_index(int index)
Overrides the internal iteration index.
Definition: predicated_tile_access_iterator.h:964
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Mask
typename UnderlyingIterator::Mask Mask
Predicate vector stores mask to guard accesses.
Definition: predicated_tile_access_iterator.h:900
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params(Layout const &layout)
Construct the Params object given a pitch-linear tensor&#39;s layout.
Definition: predicated_tile_access_iterator.h:916
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::valid
CUTLASS_HOST_DEVICE bool valid()
Returns whether access is valid or not.
Definition: predicated_tile_access_iterator.h:480
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Shape
Shape_ Shape
Definition: predicated_tile_access_iterator.h:873
tensor_view.h
Defines a structure containing strides and a pointer to tensor data.
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::LongIndex
typename Layout::LongIndex LongIndex
Definition: predicated_tile_access_iterator.h:526
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator operator++(int)
Definition: predicated_tile_access_iterator.h:822
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::AccessType
AccessType_ AccessType
Definition: predicated_tile_access_iterator.h:523
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::NonConstPointer
typename platform::remove_const< Element >::type * NonConstPointer
Definition: predicated_tile_access_iterator.h:889
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params(Layout const &layout)
Construct the Params object given a pitch-linear tensor&#39;s layout.
Definition: predicated_tile_access_iterator.h:147
cutlass::layout::ColumnMajor
Mapping function for column-major matrices.
Definition: layout/matrix.h:142
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::Pointer
Element * Pointer
Definition: predicated_tile_access_iterator.h:708
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::TensorCoord
typename Layout::TensorCoord TensorCoord
Definition: predicated_tile_access_iterator.h:530
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::clear_mask
CUTLASS_HOST_DEVICE void clear_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:830
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::Shape
Shape_ Shape
Definition: predicated_tile_access_iterator.h:518
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::Mask
Array< uint32_t, kPredicateWordCount > Mask
Predicate vector stores mask to guard accesses.
Definition: predicated_tile_access_iterator.h:119
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::add_pointer_offset
CUTLASS_HOST_DEVICE void add_pointer_offset(LongIndex pointer_offset)
Adds a pointer offset in units of Element.
Definition: predicated_tile_access_iterator.h:347
cutlass::layout::PitchLinearShape
Template defining a shape used by pitch-linear operators.
Definition: pitch_linear.h:43
array.h
Statically sized array of elements that accommodates all CUTLASS-supported numeric types and is safe ...
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::TensorCoord
typename Layout::TensorCoord TensorCoord
Definition: predicated_tile_access_iterator.h:886
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::valid
CUTLASS_HOST_DEVICE bool valid()
Returns whether access is valid or not.
Definition: predicated_tile_access_iterator.h:846
CUTLASS_PRAGMA_UNROLL
#define CUTLASS_PRAGMA_UNROLL
Definition: cutlass.h:110
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator operator++(int)
Definition: predicated_tile_access_iterator.h:646
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator & operator++()
Increment and return an instance to self.
Definition: predicated_tile_access_iterator.h:393
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id)
Construct a PredicatedTileAccessIterator with zero threadblock offset.
Definition: predicated_tile_access_iterator.h:321
predicate_vector.h
Defines container classes and iterators for managing a statically sized vector of boolean predicates...
cutlass::layout::RowMajor::Index
int32_t Index
Index type used for coordinates.
Definition: layout/matrix.h:59
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::Shape
Shape_ Shape
Definition: predicated_tile_access_iterator.h:694
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::AccessType
AccessType_ AccessType
Definition: predicated_tile_access_iterator.h:87
cutlass::operator++
CUTLASS_HOST_DEVICE half_t & operator++(half_t &lhs)
Definition: half.h:694
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::clear_mask
CUTLASS_HOST_DEVICE void clear_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:1192
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::set_mask
CUTLASS_HOST_DEVICE void set_mask(Mask const &mask)
Sets the predicate mask, overriding value stored in predicate iterator.
Definition: predicated_tile_access_iterator.h:662
cutlass::layout::PitchLinear::LongIndex
int64_t LongIndex
Long index type used for offsets.
Definition: pitch_linear.h:175
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::add_tile_offset
CUTLASS_DEVICE void add_tile_offset(TensorCoord const &tile_offset)
Advances an iterator along logical dimensions of matrix in units of whole tiles.
Definition: predicated_tile_access_iterator.h:353
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Pointer
Element * Pointer
Definition: predicated_tile_access_iterator.h:888
cutlass::TensorView< Element, Layout >
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::Index
typename Layout::Index Index
Definition: predicated_tile_access_iterator.h:525
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::add_tile_offset
CUTLASS_HOST_DEVICE void add_tile_offset(TensorCoord const &tile_offset)
Definition: predicated_tile_access_iterator.h:617
matrix_shape.h
Defines a Shape template for matrix tiles.
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::LongIndex
typename Layout::LongIndex LongIndex
Definition: predicated_tile_access_iterator.h:1061
cutlass::sizeof_bits
Defines the size of an element in bits.
Definition: numeric_types.h:42
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params()
Definition: predicated_tile_access_iterator.h:143
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id)
Construct a PredicatedTileAccessIterator with zero threadblock offset.
Definition: predicated_tile_access_iterator.h:953
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::Mask
typename UnderlyingIterator::Mask Mask
Predicate vector stores mask to guard accesses.
Definition: predicated_tile_access_iterator.h:718
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::Pointer
Element * Pointer
Definition: predicated_tile_access_iterator.h:96
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Shape
Shape_ Shape
Definition: predicated_tile_access_iterator.h:1052
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::Index
typename Layout::Index Index
Definition: predicated_tile_access_iterator.h:701
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id)
Construct a PredicatedTileAccessIterator with zero threadblock offset.
Definition: predicated_tile_access_iterator.h:771
cutlass::TensorRef< Element, Layout >
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::get_mask
CUTLASS_HOST_DEVICE void get_mask(Mask &mask)
Gets the mask.
Definition: predicated_tile_access_iterator.h:666
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::get_mask
CUTLASS_HOST_DEVICE void get_mask(Mask &mask)
Gets the mask.
Definition: predicated_tile_access_iterator.h:471
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params()
Definition: predicated_tile_access_iterator.h:1092
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id, TensorCoord const &threadblock_offset)
Definition: predicated_tile_access_iterator.h:576
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params()
Default ctor.
Definition: predicated_tile_access_iterator.h:556
CUTLASS_HOST_DEVICE
#define CUTLASS_HOST_DEVICE
Definition: cutlass.h:89
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::AccessType
AccessType_ AccessType
Definition: predicated_tile_access_iterator.h:699
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::Shape
Shape_ Shape
Definition: predicated_tile_access_iterator.h:82
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator & operator++()
Definition: predicated_tile_access_iterator.h:634
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params()
Default ctor.
Definition: predicated_tile_access_iterator.h:732
cutlass::platform::min
CUTLASS_HOST_DEVICE constexpr const T & min(const T &a, const T &b)
std::min
Definition: platform.h:183
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator operator++(int)
Increment and return an instance to self.
Definition: predicated_tile_access_iterator.h:434
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::get_mask
CUTLASS_HOST_DEVICE void get_mask(Mask &mask)
Gets the mask.
Definition: predicated_tile_access_iterator.h:1024
static_assert
#define static_assert(__e, __m)
Definition: platform.h:153
cutlass::layout::PitchLinear::Index
int32_t Index
Index type used for coordinates.
Definition: pitch_linear.h:172
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::NonConstPointer
typename platform::remove_const< Element >::type * NonConstPointer
Definition: predicated_tile_access_iterator.h:1068
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params()
Definition: predicated_tile_access_iterator.h:912
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::add_tile_offset
CUTLASS_HOST_DEVICE void add_tile_offset(TensorCoord const &tile_offset)
Definition: predicated_tile_access_iterator.h:975
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id, TensorCoord const &threadblock_offset)
Definition: predicated_tile_access_iterator.h:1112
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params(Layout const &layout)
Construct the Params object given a pitch-linear tensor&#39;s layout.
Definition: predicated_tile_access_iterator.h:1096
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::Params::PredicatedTileAccessIterator
friend PredicatedTileAccessIterator
Definition: predicated_tile_access_iterator.h:124
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::add_pointer_offset
CUTLASS_HOST_DEVICE void add_pointer_offset(LongIndex pointer_offset)
Adds a pointer offset in units of Element.
Definition: predicated_tile_access_iterator.h:786
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id, TensorCoord const &threadblock_offset)
Definition: predicated_tile_access_iterator.h:263
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::valid
CUTLASS_HOST_DEVICE bool valid()
Returns whether access is valid or not.
Definition: predicated_tile_access_iterator.h:1028
cutlass::layout::RowMajor
Mapping function for row-major matrices.
Definition: layout/matrix.h:50
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::set_iteration_index
CUTLASS_HOST_DEVICE void set_iteration_index(int index)
Overrides the internal iteration index.
Definition: predicated_tile_access_iterator.h:782
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::clear_mask
CUTLASS_HOST_DEVICE void clear_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:1012
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::PredicatedTileAccessIterator
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator(Params const &params, Pointer pointer, TensorCoord extent, int thread_id, TensorCoord const &threadblock_offset)
Definition: predicated_tile_access_iterator.h:752
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::enable_mask
CUTLASS_HOST_DEVICE void enable_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:658
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::clear_mask
CUTLASS_HOST_DEVICE void clear_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:654
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::add_pointer_offset
CUTLASS_HOST_DEVICE void add_pointer_offset(LongIndex pointer_offset)
Adds a pointer offset in units of Element.
Definition: predicated_tile_access_iterator.h:1148
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator operator++(int)
Definition: predicated_tile_access_iterator.h:1004
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::TensorCoord
typename Layout::TensorCoord TensorCoord
Definition: predicated_tile_access_iterator.h:94
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::set_mask
CUTLASS_HOST_DEVICE void set_mask(Mask const &mask)
Sets the predicate mask, overriding value stored in predicate iterator.
Definition: predicated_tile_access_iterator.h:461
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator operator++(int)
Definition: predicated_tile_access_iterator.h:1184
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::add_pointer_offset
CUTLASS_HOST_DEVICE void add_pointer_offset(LongIndex pointer_offset)
Adds a pointer offset in units of Element.
Definition: predicated_tile_access_iterator.h:968
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::AccessType
AccessType_ AccessType
Definition: predicated_tile_access_iterator.h:879
matrix.h
Defines layout functions used by TensorRef and derived classes.
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::Index
typename Layout::Index Index
Definition: predicated_tile_access_iterator.h:89
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params(Layout const &layout)
Construct the Params object given a pitch-linear tensor&#39;s layout.
Definition: predicated_tile_access_iterator.h:560
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::LongIndex
typename Layout::LongIndex LongIndex
Definition: predicated_tile_access_iterator.h:90
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::enable_mask
CUTLASS_HOST_DEVICE void enable_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:834
pitch_linear.h
Defines layout functions used by TensorRef and derived classes for pitch-linear memory.
cutlass::layout::ColumnMajorInterleaved
Definition: layout/matrix.h:343
cutlass::layout::ColumnMajor::Index
int32_t Index
Index type used for coordinates.
Definition: layout/matrix.h:151
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::NonConstPointer
typename platform::remove_const< Element >::type * NonConstPointer
Definition: predicated_tile_access_iterator.h:533
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::set_iteration_index
CUTLASS_HOST_DEVICE void set_iteration_index(int index)
Overrides the internal iteration index.
Definition: predicated_tile_access_iterator.h:335
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::set_mask
CUTLASS_HOST_DEVICE void set_mask(Mask const &mask)
Sets the predicate mask, overriding value stored in predicate iterator.
Definition: predicated_tile_access_iterator.h:1020
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::set_iteration_index
CUTLASS_HOST_DEVICE void set_iteration_index(int index)
Overrides the internal iteration index.
Definition: predicated_tile_access_iterator.h:1144
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::enable_mask
CUTLASS_HOST_DEVICE void enable_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:452
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::PitchLinear, AdvanceRank, ThreadMap_, AccessType_ >::clear_mask
CUTLASS_HOST_DEVICE void clear_mask()
Clears the predicate set efficiently.
Definition: predicated_tile_access_iterator.h:442
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::operator++
CUTLASS_HOST_DEVICE PredicatedTileAccessIterator & operator++()
Definition: predicated_tile_access_iterator.h:810
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::ColumnMajor, AdvanceRank, ThreadMap_, AccessType_ >::Mask
typename UnderlyingIterator::Mask Mask
Predicate vector stores mask to guard accesses.
Definition: predicated_tile_access_iterator.h:540
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::valid
CUTLASS_HOST_DEVICE bool valid()
Returns whether access is valid or not.
Definition: predicated_tile_access_iterator.h:1208
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::Pointer
Element * Pointer
Definition: predicated_tile_access_iterator.h:1067
cutlass.h
Basic include for CUTLASS.
cutlass::MatrixCoord
Definition: matrix_coord.h:39
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::Params::Params
CUTLASS_HOST_DEVICE Params(Layout const &layout)
Construct the Params object given a pitch-linear tensor&#39;s layout.
Definition: predicated_tile_access_iterator.h:736
cutlass::transform::threadblock::PredicatedTileAccessIterator
Definition: predicated_tile_access_iterator.h:66
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajor, AdvanceRank, ThreadMap_, AccessType_ >::set_mask
CUTLASS_HOST_DEVICE void set_mask(Mask const &mask)
Sets the predicate mask, overriding value stored in predicate iterator.
Definition: predicated_tile_access_iterator.h:838
cutlass::transform::threadblock::PredicatedTileAccessIterator< Shape_, Element_, layout::RowMajorInterleaved< InterleavedK >, AdvanceRank, ThreadMap_, AccessType_ >::add_tile_offset
CUTLASS_HOST_DEVICE void add_tile_offset(TensorCoord const &tile_offset)
Definition: predicated_tile_access_iterator.h:1155
cutlass::layout::RowMajorInterleaved
Definition: layout/matrix.h:237