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aligned_buffer.h
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30 #pragma once
31
32 #include "cutlass/cutlass.h"
33 #include "cutlass/array.h"
34
36
38
40 template <
41typename T,
42int N,
43int Align = 16
44 >
45 struct AlignedBuffer {
46
49
51static int const kCount = N;
52
54static int const kAlign = Align;
55
58 (sizeof_bits<T>::value * N + 7) / 8;
59
60 private:
61
63alignas(Align) Storage storage[kBytes];
64
65 public:
66
67//
68// C++ standard members
69//
70
71typedef T value_type;
73typedef ptrdiff_t difference_type;
74typedef value_type *pointer;
75typedef value_type const * const_pointer;
76
77using Array = Array<T, N>;
78using reference = typename Array::reference;
79using const_reference = typename Array::const_reference;
80
81 public:
82
85return reinterpret_cast<pointer>(storage);
86 }
87
89 const_pointer data() const {
90return reinterpret_cast<pointer>(storage);
91 }
92
95return storage;
96 }
97
99Storage const * raw_data() const {
100return storage;
101 }
102
103
105constexpr bool empty() const {
106return ! kCount;
107 }
108
110constexpr size_type size() const {
111return kCount;
112 }
113
115constexpr size_type max_size() const {
116return kCount;
117 }
118 };
119
121
122 } // namespace cutlass
123
cutlass::AlignedBuffer::value_type
T value_type
Definition: aligned_buffer.h:71
cutlass::AlignedBuffer::const_pointer
value_type const * const_pointer
Definition: aligned_buffer.h:75
Definition: aligned_buffer.h:35
#define constexpr
Definition: platform.h:137
cutlass::AlignedBuffer::raw_data
CUTLASS_HOST_DEVICE Storage const * raw_data() const
Definition: aligned_buffer.h:99
cutlass::AlignedBuffer< Element, cutlass::MatrixShape::kCount >::const_reference
typename Array::const_reference const_reference
Definition: aligned_buffer.h:79
cutlass::AlignedBuffer::max_size
CUTLASS_HOST_DEVICE constexpr size_type max_size() const
Definition: aligned_buffer.h:115
cutlass::AlignedBuffer< Element, cutlass::MatrixShape::kCount >::Storage
uint8_t Storage
Internal storage type.
Definition: aligned_buffer.h:48
Statically sized array of elements that accommodates all CUTLASS-supported numeric types and is safe ...
Defines the size of an element in bits.
Definition: numeric_types.h:42
cutlass::AlignedBuffer::kBytes
static int const kBytes
Number of storage elements.
Definition: aligned_buffer.h:57
#define CUTLASS_HOST_DEVICE
Definition: cutlass.h:89
Modifies semantics of cutlass::Array<> to provide guaranteed alignment.
Definition: aligned_buffer.h:45
CUTLASS_HOST_DEVICE pointer data()
Definition: aligned_buffer.h:84
cutlass::AlignedBuffer::kCount
static int const kCount
Number of logical elements held in buffer.
Definition: aligned_buffer.h:51
cutlass::AlignedBuffer::kAlign
static int const kAlign
Alignment requirement in bytes.
Definition: aligned_buffer.h:54
cutlass::AlignedBuffer::raw_data
CUTLASS_HOST_DEVICE Storage * raw_data()
Definition: aligned_buffer.h:94
cutlass::AlignedBuffer< Element, cutlass::MatrixShape::kCount >::reference
typename Array::reference reference
Definition: aligned_buffer.h:78
cutlass::AlignedBuffer< Element, cutlass::MatrixShape::kCount >::Array
Array< Element, N > Array
Definition: aligned_buffer.h:77
cutlass::AlignedBuffer::size_type
size_t size_type
Definition: aligned_buffer.h:72
cutlass::AlignedBuffer::difference_type
ptrdiff_t difference_type
Definition: aligned_buffer.h:73
cutlass::AlignedBuffer::pointer
value_type * pointer
Definition: aligned_buffer.h:74
Basic include for CUTLASS.
CUTLASS_HOST_DEVICE constexpr bool empty() const
Definition: aligned_buffer.h:105
CUTLASS_HOST_DEVICE constexpr size_type size() const
Definition: aligned_buffer.h:110
CUTLASS_HOST_DEVICE const_pointer data() const
Definition: aligned_buffer.h:89
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