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tile_iterator_volta_tensor_op.h
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29 #pragma once
30
31 #include "cutlass/array.h"
32 #include "cutlass/layout/matrix.h"
33 #include "cutlass/layout/pitch_linear.h"
34
35 #include "cutlass/epilogue/warp/tensor_op_policy.h"
36
38
39 namespace cutlass {
40 namespace epilogue {
41 namespace warp {
42
44
46 template <
47 typename WarpShape,
48 typename InterleavedTileShape,
49 typename ElementC,
50 typename Layout
51 >
52 struct TileIteratorVoltaTensorOp;
53
55
57 template <
58 typename WarpShape_
59 >
60 class TileIteratorVoltaTensorOp<WarpShape_, gemm::GemmShape<32, 32, 4>, half_t, layout::RowMajor> {
61 public:
62
63 using WarpShape = WarpShape_;
64 using InterleavedTileShape = gemm::GemmShape<32, 32, 4>;
65 using Element = half_t;
66 using Layout = layout::RowMajor;
67
68 using TensorRef = TensorRef<Element, Layout>;
69 using TensorCoord = MatrixCoord;
70 using Index = typename TensorRef::Index;
71 using LongIndex = typename TensorRef::LongIndex;
72
73 using Policy = VoltaTensorOpPolicy<WarpShape, InterleavedTileShape, Element, Layout>;
74
76 using Shape = MatrixShape<
77 Policy::kRowsPerIteration,
78 WarpShape::kN
79 >;
80
82 using AccessType = typename Policy::AccessType;
83
85 using Fragment = typename Policy::Fragment;
86
88 using AccumulatorTile = typename Policy::AccumulatorTile;
89
91 static int const kIterations = Policy::kIterations;
92
94 static int const kElementsPerAccess = Policy::kElementsPerAccess;
95
96 // Internal constants
97 struct Detail {
98 static int const kLanesInQuad = 4;
99 static int const kRowsPerQuad = 4;
100 static int const kColumnsPerQuad = 8;
101 static int const kAccessesPerQuad = kColumnsPerQuad / Policy::kElementsPerAccess;
102 static int const kAccessQuadDelta = 16;
103 };
104
106 using Padding = MatrixShape<
107 0,
108 Policy::kElementsPerAccess>;
109
110 private:
111
112 //
113 // Data members
114 //
115
117 AccessType *pointer_;
118
120 Layout layout_;
121
122 public:
123
125 CUTLASS_HOST_DEVICE
126 TileIteratorVoltaTensorOp(): pointer_(nullptr) { }
127
129 CUTLASS_DEVICE
130 TileIteratorVoltaTensorOp(
131 TensorRef const &ref,
132 unsigned lane_id
133 ):
134 pointer_(reinterpret_cast<AccessType *>(ref.data())),
135 layout_(ref.stride()[0] / Policy::kElementsPerAccess) {
136
137 int quad_id = lane_id / Detail::kLanesInQuad;
138 int lane_in_quad = (lane_id % Detail::kLanesInQuad);
139
140 int quad_row_idx = ((quad_id & 4) >> 1) + (quad_id & 1);
141 int quad_col_idx = ((quad_id & 2) >> 1);
142
143 int row = quad_row_idx * Detail::kRowsPerQuad + lane_in_quad;
144 int column = quad_col_idx * Detail::kColumnsPerQuad;
145
146 pointer_ += layout_({row, column / kElementsPerAccess});
147 }
148
150 CUTLASS_HOST_DEVICE
151 TileIteratorVoltaTensorOp & add_pointer_offset(Index pointer_offset) {
152 pointer_ += pointer_offset / Policy::kElementsPerAccess;
153 return *this;
154 }
155
157 CUTLASS_HOST_DEVICE
158 TileIteratorVoltaTensorOp & add_tile_offset(TensorCoord const &tile_offset) {
159
160 pointer_ += layout_({
161 tile_offset.row() * Shape::kRow,
162 tile_offset.column() * Shape::kColumn / Policy::kElementsPerAccess});
163
164 return *this;
165 }
166
168 CUTLASS_HOST_DEVICE
169 TileIteratorVoltaTensorOp & operator+=(TensorCoord const &tile_offset) {
170 add_tile_offset(tile_offset);
171 return *this;
172 }
173
175 CUTLASS_DEVICE
176 void store_with_pointer_offset(Fragment const &frag, Index pointer_offset) {
177
178 AccessType const *frag_ptr = reinterpret_cast<AccessType const *>(&frag);
179
180 CUTLASS_PRAGMA_UNROLL
181 for (int tile_idx = 0; tile_idx < Policy::TileIterations::kColumn; ++tile_idx) {
182
183 CUTLASS_PRAGMA_UNROLL
184 for (int access_idx = 0; access_idx < Policy::kAccessesPerInterleavedTile; ++access_idx) {
185
186 int access_quad = access_idx / 2;
187 int access = access_idx % 2;
188
189 int ptr_offset = tile_idx * InterleavedTileShape::kN / Policy::kElementsPerAccess +
190 access_quad * Detail::kAccessQuadDelta / Policy::kElementsPerAccess + access;
191
192 int frag_idx = tile_idx * Policy::kAccessesPerInterleavedTile + access_idx;
193
194 AccessType access_vector = frag_ptr[frag_idx];
195
196 pointer_[ptr_offset] = access_vector;
197 }
198 }
199 }
200
202 CUTLASS_HOST_DEVICE
203 void store(Fragment const &frag) {
204 store_with_pointer_offset(frag, 0);
205 }
206
208 CUTLASS_HOST_DEVICE
209 void load_with_pointer_offset(Fragment const &frag, Index pointer_offset) {
210
211 AccessType *frag_ptr = reinterpret_cast<AccessType *>(&frag);
212
213 CUTLASS_PRAGMA_UNROLL
214 for (int tile_idx = 0; tile_idx < Policy::TileIterations::kColumn; ++tile_idx) {
215
216 CUTLASS_PRAGMA_UNROLL
217 for (int access_idx = 0; access_idx < Policy::kAccessesPerInterleavedTile; ++access_idx) {
218
219 int access_quad = access_idx / 2;
220 int access = access_idx % 2;
221
222 int ptr_offset = tile_idx * Detail::kTileDelta + access_quad * Detail::kAccessQuadDelta + access;
223 int frag_idx = tile_idx * Policy::kAccessesPerInterleavedTile + access_idx;
224
225 frag_ptr[frag_idx] = pointer_[ptr_offset];
226 }
227 }
228 }
229
231 CUTLASS_HOST_DEVICE
232 void load(Fragment const &frag) {
233 load_with_pointer_offset(frag, 0);
234 }
235 };
236
238
240 template <
241 typename WarpShape_
242 >
243 class TileIteratorVoltaTensorOp<WarpShape_, gemm::GemmShape<32, 32, 4>, float, layout::RowMajor> {
244 public:
245
246 using WarpShape = WarpShape_;
247 using InterleavedTileShape = gemm::GemmShape<32, 32, 4>;
248 using Element = float;
249 using Layout = layout::RowMajor;
250
251 using TensorRef = TensorRef<Element, Layout>;
252 using TensorCoord = MatrixCoord;
253 using Index = typename TensorRef::Index;
254 using LongIndex = typename TensorRef::LongIndex;
255
256 using Policy = VoltaTensorOpPolicy<WarpShape, InterleavedTileShape, Element, Layout>;
257
259 using Shape = MatrixShape<
260 Policy::kRowsPerIteration,
261 WarpShape::kN
262 >;
263
265 using AccessType = typename Policy::AccessType;
266
268 using Fragment = typename Policy::Fragment;
269
271 using AccumulatorTile = typename Policy::AccumulatorTile;
272
274 static int const kIterations = Policy::kIterations;
275
277 static int const kElementsPerAccess = Policy::kElementsPerAccess;
278
279 // Internal constants
280 struct Detail {
281 static int const kLanesInQuad = 4;
282 static int const kRowsPerQuad = 4;
283 static int const kColumnsPerQuad = 8;
284 static int const kAccessesPerQuad = kColumnsPerQuad / Policy::kElementsPerAccess;
285 static int const kAccessQuadDelta = 16;
286 };
287
289 using Padding = MatrixShape<
290 0,
291 Policy::kElementsPerAccess>;
292
293 private:
294
295 //
296 // Data members
297 //
298
300 AccessType *pointer_;
301
303 Layout layout_;
304
305 public:
306
308 CUTLASS_HOST_DEVICE
309 TileIteratorVoltaTensorOp(): pointer_(nullptr) { }
310
312 CUTLASS_DEVICE
313 TileIteratorVoltaTensorOp(
314 TensorRef const &ref,
315 unsigned lane_id
316 ):
317 pointer_(reinterpret_cast<AccessType *>(ref.data())),
318 layout_(ref.stride()[0] / Policy::kElementsPerAccess) {
319
320 int quad_id = lane_id / Detail::kLanesInQuad;
321 int lane_in_quad = (lane_id % Detail::kLanesInQuad);
322
323 int const kQuadRowDelta = 4;
324 int const kQuadColumnDelta = 2 * Policy::MmaIterations::kColumn;
325
326 int quad_row_offset = ((quad_id & 4) / 2 + (quad_id & 1)) * kQuadRowDelta;
327 int quad_column_offset = (quad_id & 2) / 2 * kQuadColumnDelta;
328
329 int thread_row_offset = (lane_in_quad & 1);
330 int thread_column_offset = (lane_in_quad & 2) / 2;
331
332 int row = quad_row_offset + thread_row_offset;
333 int column = quad_column_offset + thread_column_offset;
334
335 pointer_ += layout_({row, column});
336 }
337
339 CUTLASS_HOST_DEVICE
340 TileIteratorVoltaTensorOp & add_pointer_offset(Index pointer_offset) {
341 pointer_ += pointer_offset / Policy::kElementsPerAccess;
342 return *this;
343 }
344
346 CUTLASS_HOST_DEVICE
347 TileIteratorVoltaTensorOp & add_tile_offset(TensorCoord const &tile_offset) {
348
349 pointer_ += layout_({
350 tile_offset.row() * Shape::kRow,
351 tile_offset.column() * Shape::kColumn / Policy::kElementsPerAccess});
352
353 return *this;
354 }
355
357 CUTLASS_HOST_DEVICE
358 TileIteratorVoltaTensorOp & operator+=(TensorCoord const &tile_offset) {
359 add_tile_offset(tile_offset);
360 return *this;
361 }
362
364 CUTLASS_DEVICE
365 void store_with_pointer_offset(Fragment const &frag, Index pointer_offset) {
366
367 AccessType const *frag_ptr = reinterpret_cast<AccessType const *>(&frag);
368
369 int const kAccessesPerRow = Policy::TileIterations::kColumn * Policy::MmaIterations::kColumn * 2;
370
371 CUTLASS_PRAGMA_UNROLL
372 for (int row_idx = 0; row_idx < Policy::kRowsPerMmaTile; ++row_idx) {
373
374 CUTLASS_PRAGMA_UNROLL
375 for (int access_idx = 0; access_idx < kAccessesPerRow; ++access_idx) {
376
377 int frag_idx = row_idx * kAccessesPerRow + access_idx;
378
379 int ptr_column_offset = (access_idx & 1) * 2 +
380 (access_idx & 2) * Policy::MmaIterations::kColumn * 2 +
381 (access_idx & 4) * Policy::MmaIterations::kColumn * 2;
382
383 int ptr_row_offset = row_idx * 2;
384
385 int ptr_offset = layout_({ptr_row_offset, ptr_column_offset});
386
387 pointer_[ptr_offset] = frag_ptr[frag_idx];
388 }
389 }
390 }
391
393 CUTLASS_HOST_DEVICE
394 void store(Fragment const &frag) {
395 store_with_pointer_offset(frag, 0);
396 }
397
399 CUTLASS_HOST_DEVICE
400 void load_with_pointer_offset(Fragment const &frag, Index pointer_offset) {
401
402 AccessType *frag_ptr = reinterpret_cast<AccessType *>(&frag);
403
404 assert(0); // TODO
405 }
406
408 CUTLASS_HOST_DEVICE
409 void load(Fragment const &frag) {
410 load_with_pointer_offset(frag, 0);
411 }
412 };
413
415
416 } // namespace warp
417 } // namespace epilogue
418 } // namespace cutlass
419
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::load_with_pointer_offset
CUTLASS_HOST_DEVICE void load_with_pointer_offset(Fragment const &frag, Index pointer_offset)
Load.
Definition: tile_iterator_volta_tensor_op.h:400
cutlass::MatrixShape
Describes the size of a matrix tile.
Definition: matrix_shape.h:42
cutlass::MatrixCoord::column
CUTLASS_HOST_DEVICE Index const & column() const
Returns the column of the coordinate.
Definition: matrix_coord.h:85
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::Index
typename TensorRef::Index Index
Definition: tile_iterator_volta_tensor_op.h:70
cutlass
Definition: aligned_buffer.h:35
tensor_op_policy.h
Defines basic structures needed for implementing the warp-scoped phase of the epilogue. These quantities assume a &#39;column-major&#39; arrangement of TensorOp instructions, of which a row-oriented slice is visible per iteration.
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::load
CUTLASS_HOST_DEVICE void load(Fragment const &frag)
Load.
Definition: tile_iterator_volta_tensor_op.h:232
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::store_with_pointer_offset
CUTLASS_DEVICE void store_with_pointer_offset(Fragment const &frag, Index pointer_offset)
Store.
Definition: tile_iterator_volta_tensor_op.h:365
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::LongIndex
typename TensorRef::LongIndex LongIndex
Definition: tile_iterator_volta_tensor_op.h:71
cutlass::half_t
IEEE half-precision floating-point type.
Definition: half.h:126
cutlass::MatrixCoord::row
CUTLASS_HOST_DEVICE Index const & row() const
Returns the row of the coordinate.
Definition: matrix_coord.h:77
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::AccessType
typename Policy::AccessType AccessType
Array type for aligned memory accesses.
Definition: tile_iterator_volta_tensor_op.h:265
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::add_tile_offset
CUTLASS_HOST_DEVICE TileIteratorVoltaTensorOp & add_tile_offset(TensorCoord const &tile_offset)
advances in units of whole tiles along the logical coordinate space of the tensor ...
Definition: tile_iterator_volta_tensor_op.h:158
array.h
Statically sized array of elements that accommodates all CUTLASS-supported numeric types and is safe ...
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::WarpShape
WarpShape_ WarpShape
Definition: tile_iterator_volta_tensor_op.h:63
CUTLASS_PRAGMA_UNROLL
#define CUTLASS_PRAGMA_UNROLL
Definition: cutlass.h:110
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::operator+=
CUTLASS_HOST_DEVICE TileIteratorVoltaTensorOp & operator+=(TensorCoord const &tile_offset)
Definition: tile_iterator_volta_tensor_op.h:358
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::load
CUTLASS_HOST_DEVICE void load(Fragment const &frag)
Load.
Definition: tile_iterator_volta_tensor_op.h:409
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::operator+=
CUTLASS_HOST_DEVICE TileIteratorVoltaTensorOp & operator+=(TensorCoord const &tile_offset)
Definition: tile_iterator_volta_tensor_op.h:169
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::Fragment
typename Policy::Fragment Fragment
This is the fragment size produced by one access of the iterator.
Definition: tile_iterator_volta_tensor_op.h:268
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::add_pointer_offset
CUTLASS_HOST_DEVICE TileIteratorVoltaTensorOp & add_pointer_offset(Index pointer_offset)
Adds a pointer offset.
Definition: tile_iterator_volta_tensor_op.h:151
cutlass::epilogue::warp::TileIteratorVoltaTensorOp
Template for reading and writing tiles of accumulators to shared memory.
Definition: tile_iterator_volta_tensor_op.h:52
nullptr
#define nullptr
nullptr
Definition: platform.h:144
cutlass::TensorRef< Element, Layout >
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::TileIteratorVoltaTensorOp
CUTLASS_HOST_DEVICE TileIteratorVoltaTensorOp()
Default constructor.
Definition: tile_iterator_volta_tensor_op.h:309
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::store
CUTLASS_HOST_DEVICE void store(Fragment const &frag)
Store.
Definition: tile_iterator_volta_tensor_op.h:203
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::add_tile_offset
CUTLASS_HOST_DEVICE TileIteratorVoltaTensorOp & add_tile_offset(TensorCoord const &tile_offset)
advances in units of whole tiles along the logical coordinate space of the tensor ...
Definition: tile_iterator_volta_tensor_op.h:347
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::store_with_pointer_offset
CUTLASS_DEVICE void store_with_pointer_offset(Fragment const &frag, Index pointer_offset)
Store.
Definition: tile_iterator_volta_tensor_op.h:176
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::AccumulatorTile
typename Policy::AccumulatorTile AccumulatorTile
This is the complete warp-level accumulator tile.
Definition: tile_iterator_volta_tensor_op.h:271
CUTLASS_HOST_DEVICE
#define CUTLASS_HOST_DEVICE
Definition: cutlass.h:89
cutlass::gemm::GemmShape
Shape of a matrix multiply-add operation.
Definition: include/cutlass/gemm/gemm.h:57
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::Element
float Element
Definition: tile_iterator_volta_tensor_op.h:248
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::WarpShape
WarpShape_ WarpShape
Definition: tile_iterator_volta_tensor_op.h:246
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::AccessType
typename Policy::AccessType AccessType
Array type for aligned memory accesses.
Definition: tile_iterator_volta_tensor_op.h:82
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::LongIndex
typename TensorRef::LongIndex LongIndex
Definition: tile_iterator_volta_tensor_op.h:254
cutlass::TensorRef::Index
typename Layout::Index Index
Index type.
Definition: tensor_ref.h:165
cutlass::layout::RowMajor
Mapping function for row-major matrices.
Definition: layout/matrix.h:50
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::TileIteratorVoltaTensorOp
CUTLASS_DEVICE TileIteratorVoltaTensorOp(TensorRef const &ref, unsigned lane_id)
Constructor from TensorRef.
Definition: tile_iterator_volta_tensor_op.h:130
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::Fragment
typename Policy::Fragment Fragment
This is the fragment size produced by one access of the iterator.
Definition: tile_iterator_volta_tensor_op.h:85
matrix.h
Defines layout functions used by TensorRef and derived classes.
pitch_linear.h
Defines layout functions used by TensorRef and derived classes for pitch-linear memory.
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::Index
typename TensorRef::Index Index
Definition: tile_iterator_volta_tensor_op.h:253
cutlass::epilogue::warp::VoltaTensorOpPolicy
Policy details related to the epilogue.
Definition: volta_tensor_op_policy.h:52
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::store
CUTLASS_HOST_DEVICE void store(Fragment const &frag)
Store.
Definition: tile_iterator_volta_tensor_op.h:394
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::load_with_pointer_offset
CUTLASS_HOST_DEVICE void load_with_pointer_offset(Fragment const &frag, Index pointer_offset)
Load.
Definition: tile_iterator_volta_tensor_op.h:209
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::add_pointer_offset
CUTLASS_HOST_DEVICE TileIteratorVoltaTensorOp & add_pointer_offset(Index pointer_offset)
Adds a pointer offset.
Definition: tile_iterator_volta_tensor_op.h:340
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, float, layout::RowMajor >::TileIteratorVoltaTensorOp
CUTLASS_DEVICE TileIteratorVoltaTensorOp(TensorRef const &ref, unsigned lane_id)
Constructor from TensorRef.
Definition: tile_iterator_volta_tensor_op.h:313
cutlass::MatrixCoord
Definition: matrix_coord.h:39
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::AccumulatorTile
typename Policy::AccumulatorTile AccumulatorTile
This is the complete warp-level accumulator tile.
Definition: tile_iterator_volta_tensor_op.h:88
cutlass::epilogue::warp::TileIteratorVoltaTensorOp< WarpShape_, gemm::GemmShape< 32, 32, 4 >, half_t, layout::RowMajor >::TileIteratorVoltaTensorOp
CUTLASS_HOST_DEVICE TileIteratorVoltaTensorOp()
Default constructor.
Definition: tile_iterator_volta_tensor_op.h:126
cutlass::TensorRef::LongIndex
typename Layout::LongIndex LongIndex
Long index used for pointer offsets.
Definition: tensor_ref.h:168