xgboost::common::GHistBuilder< GradientSumT > Class Template Reference

builder for histograms of gradient statistics More...

#include <hist_util.h>

Collaboration diagram for xgboost::common::GHistBuilder< GradientSumT >:

Public Types
using	GHistRowT = GHistRow< GradientSumT >

Public Member Functions
	GHistBuilder ()=default
	GHistBuilder (size_t nthread, uint32_t nbins)
void	BuildHist (const std::vector< GradientPair > &gpair, const RowSetCollection::Elem row_indices, const GHistIndexMatrix &gmat, GHistRowT hist, bool isDense)
void	BuildBlockHist (const std::vector< GradientPair > &gpair, const RowSetCollection::Elem row_indices, const GHistIndexBlockMatrix &gmatb, GHistRowT hist)
void	SubtractionTrick (GHistRowT self, GHistRowT sibling, GHistRowT parent)
uint32_t	GetNumBins () const

Detailed Description

template<typename GradientSumT>
class xgboost::common::GHistBuilder< GradientSumT >

builder for histograms of gradient statistics

Member Typedef Documentation

GHistRowT

template<typename GradientSumT >

using xgboost::common::GHistBuilder< GradientSumT >::GHistRowT = GHistRow<GradientSumT>

Constructor & Destructor Documentation

GHistBuilder() [1/2]

template<typename GradientSumT >

xgboost::common::GHistBuilder< GradientSumT >::GHistBuilder ( )

default

GHistBuilder() [2/2]

template<typename GradientSumT >

xgboost::common::GHistBuilder< GradientSumT >::GHistBuilder ( size_t  nthread, uint32_t  nbins  )

inline

Member Function Documentation

BuildBlockHist()

template<typename GradientSumT >

void xgboost::common::GHistBuilder< GradientSumT >::BuildBlockHist	(	const std::vector< GradientPair > &	gpair,
		const RowSetCollection::Elem	row_indices,
		const GHistIndexBlockMatrix &	gmatb,
		GHistRowT	hist
	)

BuildHist()

template<typename GradientSumT >

void xgboost::common::GHistBuilder< GradientSumT >::BuildHist	(	const std::vector< GradientPair > &	gpair,
		const RowSetCollection::Elem	row_indices,
		const GHistIndexMatrix &	gmat,
		GHistRowT	hist,
		bool	isDense
	)

GetNumBins()

template<typename GradientSumT >

uint32_t xgboost::common::GHistBuilder< GradientSumT >::GetNumBins ( ) const

inline

SubtractionTrick()

template<typename GradientSumT >

void xgboost::common::GHistBuilder< GradientSumT >::SubtractionTrick	(	GHistRowT	self,
		GHistRowT	sibling,
		GHistRowT	parent
	)

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

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