DGtal 2.1.0
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DynArrayXYOfLabelledMap< Value, L, TWord, N, M > Class Template Reference

Public Types

typedef Value ValueType
 

Public Member Functions

 DynArrayXYOfLabelledMap (unsigned int _X, unsigned int _Y)
 
 ~DynArrayXYOfLabelledMap ()
 
size_t offset (unsigned int x, unsigned int y) const
 
void clear ()
 
const Valuevalue (unsigned int l, unsigned int x, unsigned int y) const
 
void setValue (const Value &val, unsigned int l, unsigned int x, unsigned int y)
 
unsigned int erase (unsigned int l, unsigned int x, unsigned int y)
 
void setValueNoNewLabel (const Value &val, unsigned int l, unsigned int x, unsigned int y)
 
bool hasLabel (unsigned int l, unsigned int x, unsigned int y) const
 
void getLabels (std::vector< unsigned int > &labels, unsigned int x, unsigned int y) const
 
unsigned int nbLabels (unsigned int x, unsigned int y) const
 
void display (ostream &, unsigned int, unsigned int x, unsigned int y)
 
unsigned long long area () const
 

Data Fields

const unsigned int X
 
const unsigned int Y
 

Private Types

typedef LabelledMap< Value, L, TWord, N, M > MyLabelledMap
 

Private Attributes

MyLabelledMap_data
 

Detailed Description

template<typename Value, unsigned int L, typename TWord, unsigned int N, unsigned int M>
class DynArrayXYOfLabelledMap< Value, L, TWord, N, M >

Array[X][Y] of LabelledMap<L>

The proposed alternative to the brute-force approach. Generally less than 10 times the memory used by brute force for L >= 16. Approximately 50% slower in most operations, except initialization or used of all labels. In this case outperforms Array[L][X][Y].

Note that 4000*4000*16 is fine on my 8Gb laptop (529Mb). Note that 2000*2000*64 takes 133Mb.

Definition at line 478 of file testMultiMap-benchmark.cpp.

Member Typedef Documentation

◆ MyLabelledMap

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
typedef LabelledMap< Value, L, TWord, N, M> DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::MyLabelledMap
private

Definition at line 479 of file testMultiMap-benchmark.cpp.

◆ ValueType

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
typedef Value DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::ValueType

Definition at line 481 of file testMultiMap-benchmark.cpp.

Constructor & Destructor Documentation

◆ DynArrayXYOfLabelledMap()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::DynArrayXYOfLabelledMap ( unsigned int  _X,
unsigned int  _Y 
)
inline

◆ ~DynArrayXYOfLabelledMap()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::~DynArrayXYOfLabelledMap ( )
inline

Definition at line 496 of file testMultiMap-benchmark.cpp.

497 {
498 delete[] _data;
499 }

References DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::_data.

Member Function Documentation

◆ area()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
unsigned long long DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::area ( ) const
inline

Definition at line 562 of file testMultiMap-benchmark.cpp.

563 {
564 unsigned long long total = 0;
565 for ( unsigned int y = 0; y < Y; ++y )
566 for ( unsigned int x = 0; x < X; ++x )
567 {
568 unsigned int size = nbLabels( x, y );
569 total += sizeof( MyLabelledMap );
570 if ( size > (N+1) )
571 total += ( 1 + ( size - N - 1 ) / M ) * ( M * sizeof( Value ) + 8 );
572 }
573 return total;
574 }
unsigned int nbLabels(unsigned int x, unsigned int y) const

References DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::nbLabels(), DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::X, and DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::Y.

◆ clear()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
void DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::clear ( )
inline

◆ display()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
void DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::display ( ostream &  ,
unsigned int  ,
unsigned int  x,
unsigned int  y 
)
inline

◆ erase()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
unsigned int DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::erase ( unsigned int  l,
unsigned int  x,
unsigned int  y 
)
inline

◆ getLabels()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
void DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::getLabels ( std::vector< unsigned int > &  labels,
unsigned int  x,
unsigned int  y 
) const
inline

◆ hasLabel()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
bool DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::hasLabel ( unsigned int  l,
unsigned int  x,
unsigned int  y 
) const
inline

◆ nbLabels()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
unsigned int DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::nbLabels ( unsigned int  x,
unsigned int  y 
) const
inline

◆ offset()

◆ setValue()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
void DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::setValue ( const Value val,
unsigned int  l,
unsigned int  x,
unsigned int  y 
)
inline

◆ setValueNoNewLabel()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
void DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::setValueNoNewLabel ( const Value val,
unsigned int  l,
unsigned int  x,
unsigned int  y 
)
inline

◆ value()

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
const Value & DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::value ( unsigned int  l,
unsigned int  x,
unsigned int  y 
) const
inline

Field Documentation

◆ _data

◆ X

template<typename Value , unsigned int L, typename TWord , unsigned int N, unsigned int M>
const unsigned int DynArrayXYOfLabelledMap< Value, L, TWord, N, M >::X

◆ Y


The documentation for this class was generated from the following file: