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
|
#include <c10/util/Exception.h>
#include <c10/util/typeid.h>
#include <algorithm>
#include <atomic>
namespace caffe2 {
namespace detail {
C10_EXPORT void _ThrowRuntimeTypeLogicError(const std::string& msg) {
// In earlier versions it used to be std::abort() but it's a bit hard-core
// for a library
TORCH_CHECK(false, msg);
}
} // namespace detail
[[noreturn]] void TypeMeta::error_unsupported_typemeta(caffe2::TypeMeta dtype) {
TORCH_CHECK(
false,
"Unsupported TypeMeta in ATen: ",
dtype,
" (please report this error)");
}
std::mutex& TypeMeta::getTypeMetaDatasLock() {
static std::mutex lock;
return lock;
}
uint16_t TypeMeta::nextTypeIndex(NumScalarTypes);
// fixed length array of TypeMetaData instances
detail::TypeMetaData* TypeMeta::typeMetaDatas() {
// NOLINTNEXTLINE(cppcoreguidelines-avoid-c-arrays,modernize-avoid-c-arrays)
static detail::TypeMetaData instances[MaxTypeIndex + 1] = {
#define SCALAR_TYPE_META(T, name) \
/* ScalarType::name */ \
detail::TypeMetaData( \
sizeof(T), \
detail::_PickNew<T>(), \
detail::_PickPlacementNew<T>(), \
detail::_PickCopy<T>(), \
detail::_PickPlacementDelete<T>(), \
detail::_PickDelete<T>(), \
TypeIdentifier::Get<T>(), \
c10::util::get_fully_qualified_type_name<T>()),
AT_FORALL_SCALAR_TYPES_WITH_COMPLEX_AND_QINTS(SCALAR_TYPE_META)
#undef SCALAR_TYPE_META
// The remainder of the array is padded with TypeMetaData blanks.
// The first of these is the entry for ScalarType::Undefined.
// The rest are consumed by CAFFE_KNOWN_TYPE entries.
};
return instances;
}
uint16_t TypeMeta::existingMetaDataIndexForType(TypeIdentifier identifier) {
auto* metaDatas = typeMetaDatas();
const auto end = metaDatas + nextTypeIndex;
// MaxTypeIndex is not very large; linear search should be fine.
auto it = std::find_if(metaDatas, end, [identifier](const auto& metaData) {
return metaData.id_ == identifier;
});
if (it == end) {
return MaxTypeIndex;
}
return static_cast<uint16_t>(it - metaDatas);
}
CAFFE_DEFINE_KNOWN_TYPE(std::string, std_string)
CAFFE_DEFINE_KNOWN_TYPE(uint16_t, uint16_t)
CAFFE_DEFINE_KNOWN_TYPE(char, char)
CAFFE_DEFINE_KNOWN_TYPE(std::unique_ptr<std::mutex>, std_unique_ptr_std_mutex)
CAFFE_DEFINE_KNOWN_TYPE(
std::unique_ptr<std::atomic<bool>>,
std_unique_ptr_std_atomic_bool)
CAFFE_DEFINE_KNOWN_TYPE(std::vector<int32_t>, std_vector_int32_t)
CAFFE_DEFINE_KNOWN_TYPE(std::vector<int64_t>, std_vector_int64_t)
CAFFE_DEFINE_KNOWN_TYPE(std::vector<unsigned long>, std_vector_unsigned_long)
CAFFE_DEFINE_KNOWN_TYPE(bool*, bool_ptr)
CAFFE_DEFINE_KNOWN_TYPE(char*, char_ptr)
CAFFE_DEFINE_KNOWN_TYPE(int*, int_ptr)
CAFFE_DEFINE_KNOWN_TYPE(
detail::_guard_long_unique<long>,
detail_guard_long_unique_long);
CAFFE_DEFINE_KNOWN_TYPE(
detail::_guard_long_unique<std::vector<long>>,
detail_guard_long_unique_std_vector_long)
CAFFE_DEFINE_KNOWN_TYPE(float*, float_ptr)
CAFFE_DEFINE_KNOWN_TYPE(at::Half*, at_Half)
} // namespace caffe2
|
