xgboost::common::Column< BinIdxType > Class Template Reference

a column storage, to be used with ApplySplit. Note that each bin id is stored as index[i] + index_base. Different types of column index for each column allow to reduce the memory usage. More...

#include <column_matrix.h>

Inheritance diagram for xgboost::common::Column< BinIdxType >:

Collaboration diagram for xgboost::common::Column< BinIdxType >:

Public Member Functions
	Column (ColumnType type, common::Span< const BinIdxType > index, const uint32_t index_base)
virtual	~Column ()=default
uint32_t	GetGlobalBinIdx (size_t idx) const
BinIdxType	GetFeatureBinIdx (size_t idx) const
uint32_t	GetBaseIdx () const
common::Span< const BinIdxType >	GetFeatureBinIdxPtr () const
ColumnType	GetType () const
size_t	Size () const

Detailed Description

template<typename BinIdxType>
class xgboost::common::Column< BinIdxType >

a column storage, to be used with ApplySplit. Note that each bin id is stored as index[i] + index_base. Different types of column index for each column allow to reduce the memory usage.

Constructor & Destructor Documentation

Column()

template<typename BinIdxType >

xgboost::common::Column< BinIdxType >::Column ( ColumnType  type, common::Span< const BinIdxType >  index, const uint32_t  index_base  )

inline

~Column()

template<typename BinIdxType >

virtual xgboost::common::Column< BinIdxType >::~Column ( )

virtualdefault

Member Function Documentation

GetBaseIdx()

template<typename BinIdxType >

uint32_t xgboost::common::Column< BinIdxType >::GetBaseIdx ( ) const

inline

GetFeatureBinIdx()

template<typename BinIdxType >

BinIdxType xgboost::common::Column< BinIdxType >::GetFeatureBinIdx ( size_t  idx ) const

inline

GetFeatureBinIdxPtr()

template<typename BinIdxType >

common::Span<const BinIdxType> xgboost::common::Column< BinIdxType >::GetFeatureBinIdxPtr ( ) const

inline

GetGlobalBinIdx()

template<typename BinIdxType >

uint32_t xgboost::common::Column< BinIdxType >::GetGlobalBinIdx ( size_t  idx ) const

inline

GetType()

template<typename BinIdxType >

ColumnType xgboost::common::Column< BinIdxType >::GetType ( ) const

inline

Size()

template<typename BinIdxType >

size_t xgboost::common::Column< BinIdxType >::Size ( ) const

inline

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

• /home/runner/work/xgboost/xgboost/src/common/column_matrix.h