24 #ifndef MXNET_TUPLE_H_ 25 #define MXNET_TUPLE_H_ 28 #include <type_traits> 57 template<
typename ValueType>
74 std::fill_n(
begin(), ndim, value);
92 inline Tuple(std::initializer_list<ValueType> init) {
93 this->
assign(init.begin(), init.end());
99 inline Tuple(std::vector<ValueType> init) {
100 this->
assign(init.begin(), init.end());
116 template<
typename RandomAccessIterator>
118 RandomAccessIterator
end) {
123 using namespace runtime;
124 ADT adt = Downcast<ADT, ObjectRef>(src);
126 for (
int i = 0; i <
ndim_; ++i) {
127 this->
begin()[i] = Downcast<Integer, ObjectRef>(adt[i])->value;
137 template<
typename RandomAccessIterator>
139 RandomAccessIterator
end) {
140 this->
SetDim(end - begin);
142 std::copy(begin, end, this->
begin());
160 if (src.
ndim() == -1) {
182 this->
assign(init.begin(), init.end());
191 if (
ndim() == -1)
return true;
199 return !(*
this == s);
202 inline const ValueType *
begin()
const {
210 inline const ValueType*
end()
const {
229 #pragma GCC diagnostic push 230 #pragma GCC diagnostic ignored "-Wstrict-overflow" 231 CHECK(i >= 0 && i <
ndim()) <<
"index = " << i <<
" must be in range [0, " <<
ndim() <<
")";
232 #pragma GCC diagnostic pop 243 #pragma GCC diagnostic push 244 #pragma GCC diagnostic ignored "-Wstrict-overflow" 245 CHECK(i >= 0 && i <
ndim()) <<
"index = " << i <<
" must be in range [0, " <<
ndim() <<
")";
246 #pragma GCC diagnostic pop 254 std::vector<ValueType> tmp(
begin(),
end());
262 std::vector<ValueType> tmp;
264 this->
assign(tmp.begin(), tmp.end());
272 friend std::ostream &operator<<(std::ostream &os, const Tuple<ValueType> &t) {
273 if (t.ndim() == -1) {
281 const ValueType*
begin = t.begin();
282 const ValueType*
end = t.end();
283 for (
const ValueType* it = begin; it !=
end; ++it) {
284 if (it != begin) os <<
',';
300 if (
isdigit(ch) || ch ==
'-') {
308 if (ch ==
'(' || ch ==
'[')
break;
313 if (tmp_val ==
"one") {
318 is.setstate(std::ios::failbit);
327 if (is.peek() ==
')' || is.peek() ==
']') {
334 std::vector<ValueType> tmp;
341 if (std::is_integral<ValueType>::value && ch ==
'L') {
350 if (ch ==
')' || ch ==
']') {
355 if (ch ==
')' || ch ==
']')
break;
356 }
else if (ch ==
')' || ch ==
']') {
359 is.setstate(std::ios::failbit);
363 t.
assign(tmp.begin(), tmp.end());
372 template<
typename DType = ValueType,
typename TStream>
373 inline void Save(TStream *strm)
const;
381 template<
typename DType = ValueType,
typename TStream>
382 inline bool Load(TStream *strm);
397 CHECK_GE(ndim, -1) <<
"ndim cannot be less than -1, received " <<
ndim;
398 if (ndim > kStackCache &&
403 }
else if (ndim <= 0 &&
data_heap_ !=
nullptr) {
415 CHECK_GE(ndim, -1) <<
"shape ndim must be >= -1, while received " <<
ndim;
421 CHECK_GE(dim_size, -1) <<
"shape dim size must be >= -1, while received " << dim_size;
422 return dim_size != -1;
452 std::fill_n(
begin(), ndim, value);
460 if (s.
ndim() == -1) {
470 inline TShape(std::initializer_list<dim_t> init) {
471 this->
assign(init.begin(), init.end());
488 template<
typename RandomAccessIterator,
489 typename std::enable_if<
490 std::is_same<typename std::iterator_traits<RandomAccessIterator>::iterator_category,
491 std::random_access_iterator_tag>::value,
int>::type = 0>
493 RandomAccessIterator
end) {
504 if (src.
ndim() == -1) {
525 for (
const dim_t* it = start; it != fin; ++it) {
526 CHECK(
dim_size_is_known(*it)) <<
"Shape dim size cannot be a negative value " << *it;
536 inline size_t ProdShape(
int dimstart,
int dimend)
const {
538 CHECK_GE(dimstart, 0) <<
"dimstart must be >= 0, while received " << dimstart;
539 CHECK_LE(dimend, this->
ndim()) <<
"dimend must be <= " << this->
ndim()
540 <<
", while received " << dimend;
542 const dim_t *d = this->data();
543 for (
int i = dimstart; i < dimend; ++i) {
544 CHECK(
dim_size_is_known(d[i])) <<
"Shape dim size must be known, while received " << d[i];
557 #ifdef MSHADOW_XINLINE 585 CHECK_EQ(dim,
ndim())
586 <<
"dimension do not match target dimension " << dim <<
" vs " <<
ndim();
587 const dim_t *d = this->data();
589 for (
int i = 0; i < dim; ++i) {
602 const dim_t *d = this->data();
605 for (
int i = 1; i <
ndim(); ++i) {
618 CHECK(axis_end >= axis_begin);
622 const dim_t *d = this->data();
627 for (
int i = 0; i < axis_begin; ++i) {
630 for (
int i = axis_begin; i <= axis_end; ++i) {
633 for (
int i = axis_end + 1; i <
ndim(); ++i) {
644 return FlatTo3D(axis, axis);
647 if (
ndim() != s.
ndim())
return false;
651 return !(*
this == s);
660 if (
ndim_ != dim)
return false;
662 for (
size_t i = 0; i < dim; ++i) {
663 if (d[i] != s.
shape_[i])
return false;
674 return !(*
this == s);
686 CHECK(idx >= 0 && idx < x.
ndim())
687 <<
"idx = " << idx <<
" exceeds shape dimension range [0, " << x.
ndim() <<
")";
695 for (
int i = 0; i < x.
ndim(); ++i) {
702 for (
const TShape& shape : shapes) {
709 template<
typename SrcIter,
typename DstIter>
713 typedef typename std::iterator_traits<SrcIter>::value_type SrcDType;
714 typedef typename std::iterator_traits<DstIter>::value_type DstDType;
715 auto cast = [](
const SrcDType& dim) {
return static_cast<DstDType
>(dim); };
716 return std::transform(begin, end, dst_begin, cast);
720 template<
typename SrcIter>
722 size_t ndim = std::distance(begin, end);
729 template<
typename ValueType>
730 template<
typename DType,
typename TStream>
733 if (
typeid(DType) ==
typeid(ValueType)) {
734 strm->Write(
begin(),
sizeof(ValueType) *
ndim_);
736 std::vector<DType> buffer(
ndim_);
738 strm->Write(buffer.data(),
sizeof(DType) *
ndim_);
743 template<
typename ValueType>
744 template<
typename DType,
typename TStream>
748 size_t nread =
sizeof(DType) *
ndim_;
749 if (
typeid(DType) ==
typeid(ValueType)) {
750 if (strm->Read(
begin(), nread) != nread)
return false;
752 std::vector<DType> buffer(
ndim_);
753 if (strm->Read(buffer.data(), nread) != nread)
return false;
767 std::hash<int> hash_int;
768 size_t res = hash_int(val.
ndim());
769 for (
int i = 0; i < val.
ndim(); ++i) {
781 std::hash<int> hash_int;
782 size_t res = hash_int(val.
ndim());
783 for (
int i = 0; i < val.
ndim(); ++i) {
796 #if !(defined(_MSC_VER) && _MSC_VER < 1900) 800 return "tuple of <" + type_name<T>() +
">";
836 #endif // MXNET_TUPLE_H_ #define DMLC_DECLARE_TYPE_NAME(Type, Name)
macro to quickly declare traits information
Definition: type_traits.h:133
TShape(const ObjectRef &src)
Definition: tuple.h:497
helper class to construct a string that represents type name
Definition: type_traits.h:86
Tuple< ValueType > & operator=(const Tuple< ValueType > &src)
assignment from another tuple.
Definition: tuple.h:159
bool operator==(const Tuple< ValueType > &s) const
Definition: tuple.h:189
size_t operator()(const mxnet::TShape &val) const
hash a TShape into unsigned int
Definition: tuple.h:780
Tuple< ValueType > & operator=(Tuple< ValueType > &&src)
assignment from rvalue of another tuple.
Definition: tuple.h:172
dim_t * data()
Definition: tuple.h:554
TShape(const Tuple< dim_t > &s)
copy constructor of TShape
Definition: tuple.h:459
ValueType data_stack_[kStackCache]
in stack space used to store shape when it is small
Definition: tuple.h:392
namespace of mxnet
Definition: api_registry.h:33
TShape & operator=(Tuple< dim_t > &&src)
move assignment function from tshape
Definition: tuple.h:516
Tuple(std::initializer_list< ValueType > init)
constructor from initializer list
Definition: tuple.h:92
size_t operator()(const mxnet::Tuple< T > &val) const
hash a Tuple into unsigned int
Definition: tuple.h:766
TShape()
default constructor
Definition: tuple.h:441
int64_t dim_t
data type to store dim size
Definition: tuple.h:38
Definition: optional.h:241
DstIter ShapeTypeCast(const SrcIter begin, const SrcIter end, DstIter dst_begin)
helper function to cast type of container elements
Definition: tuple.h:710
Tuple(Tuple< ValueType > &&src)
move constructor from Tuple
Definition: tuple.h:107
void Load(dmlc::JSONReader *reader)
Load Tuple from JSON.
Definition: tuple.h:261
const dim_t * data() const
Definition: tuple.h:550
void assign(RandomAccessIterator begin, RandomAccessIterator end)
Assign content to tuple from iterator.
Definition: tuple.h:138
Base class of all object reference.
Definition: object.h:499
ValueType * end()
Definition: tuple.h:214
TShape(RandomAccessIterator begin, RandomAccessIterator end)
construct the Tuple from content of iterator. This function is enforced with template arguments of ra...
Definition: tuple.h:492
Data structures that can appear in graph attributes.
ValueType & operator[](int i)
get corresponding index
Definition: tuple.h:226
const ValueType & operator[](int i) const
get corresponding index
Definition: tuple.h:240
Tuple(const runtime::ObjectRef &src)
Definition: tuple.h:122
size_t HashCombine(size_t key, const T &value)
hash an object and combines the key with previous keys
Definition: common.h:37
std::vector< mxnet::TShape > ShapeVector
The result holder of shape of each NodeEntry in the graph.
Definition: tuple.h:820
size_t Size() const
Definition: tuple.h:521
Tuple(const Tuple< ValueType > &s)
copy constructor from another tuple
Definition: tuple.h:81
Lightweight JSON Reader to read any STL compositions and structs. The user need to know the schema of...
Definition: json.h:44
bool isspace(char c)
Inline implementation of isspace(). Tests whether the given character is a whitespace letter...
Definition: strtonum.h:26
~Tuple()
destructor
Definition: tuple.h:63
Tuple(std::vector< ValueType > init)
constructor from vector
Definition: tuple.h:99
namespace for dmlc
Definition: array_view.h:12
Tuple(RandomAccessIterator begin, RandomAccessIterator end)
construct the Tuple from content of iterator
Definition: tuple.h:117
void Write(const ValueType &value)
Write value to json.
bool dim_size_is_known(const dim_t dim_size)
Definition: tuple.h:420
Tuple()=default
default constructor
int num_heap_allocated_
number of cells allocated in data_heap_
Definition: tuple.h:390
static std::string value()
Definition: tuple.h:799
static const int kStackCache
Definition: tuple.h:386
const ValueType * end() const
Definition: tuple.h:210
void SetDim(int ndim)
Definition: tuple.h:396
std::function< bool(const NodeAttrs &attrs, std::vector< AttrType > *in_attrs, std::vector< AttrType > *out_attrs)> FInferNodeEntryAttr
Inference function of certain type.
Definition: op_attr_types.h:94
void swap(Tuple< ValueType > &other)
Swap current object with other.
Definition: tuple.h:148
index_t shape_[kDimension]
storing the dimension information
Definition: tensor.h:76
Pass that can be applied to a graph.
TShape(Tuple< dim_t > &&s)
move constructor.
Definition: tuple.h:477
void Read(ValueType *out_value)
Read next ValueType.
MSHADOW_XINLINE Shape< 2 > Shape2(index_t s0, index_t s1)
construct a two dimension shape, stride will equal s0
Definition: tensor.h:217
A dynamic sized array data structure that is optimized for storing small number of elements with same...
Definition: tuple.h:58
TShape(std::initializer_list< dim_t > init)
constructor from initializer list
Definition: tuple.h:470
Configuation of nnvm as well as basic data structure.
const ValueType * begin() const
Definition: tuple.h:202
A managed object in MXNet runtime.
int ndim_
number of dimension of the tuple
Definition: tuple.h:388
A Shape class that is used to represent shape of each tensor.
Definition: tuple.h:438
nnvm::FInferNodeEntryAttr< mxnet::TShape > FInferShape
Shape inference function. Update the shapes given the input shape information. TShape.ndim() == -1 means the shape is still unknown.
Definition: tuple.h:832
TShape & operator=(const Tuple< dim_t > &src)
assignment function from tshape
Definition: tuple.h:503
TShape(const int ndim, const dim_t value)
Definition: tuple.h:449
size_t ProdShape(int dimstart, int dimend) const
Definition: tuple.h:536
int ndim() const
Definition: tuple.h:218
Base expr nodes in MXNet.
Tuple< ValueType > & operator=(std::initializer_list< ValueType > init)
assignment from initializer list
Definition: tuple.h:181
bool operator!=(const Tuple< ValueType > &s) const
Definition: tuple.h:198
bool shape_is_known(const TShape &x)
Definition: tuple.h:693
bool ndim_is_known(const int ndim)
Definition: tuple.h:414
MSHADOW_XINLINE Shape< 3 > Shape3(index_t s0, index_t s1, index_t s2)
construct a three dimension shape, stride will equal s0
Definition: tensor.h:228
ValueType * data_heap_
space to store shape when dimension is big
Definition: tuple.h:394
ValueType * begin()
Definition: tuple.h:206
friend std::istream & operator>>(std::istream &is, Tuple< ValueType > &t)
read tuple from the istream
Definition: tuple.h:296
int64_t dim_t
data type to store dim size
Definition: c_api.h:62
Tuple(const int ndim, const dim_t value)
Definition: tuple.h:71
bool isdigit(char c)
Inline implementation of isdigit(). Tests whether the given character is a decimal digit...
Definition: strtonum.h:46
Data structures that can appear in operator attributes.
Lightweight json to write any STL compositions.
Definition: json.h:189
void Save(dmlc::JSONWriter *writer) const
Save Tuple to JSON.
Definition: tuple.h:253