Cut configuration for sparse dataset. More...

#include <hist_util.h>

Inheritance diagram for xgboost::common::SparseCuts:

Collaboration diagram for xgboost::common::SparseCuts:

Public Member Functions
	SparseCuts (HistogramCuts *container)

void	Concat (std::vector< std::unique_ptr< SparseCuts >> const &cuts, uint32_t n_cols)

void	SingleThreadBuild (SparsePage const &page, MetaInfo const &info, uint32_t max_num_bins, bool const use_group_ind, uint32_t beg, uint32_t end, uint32_t thread_id)

void	Build (DMatrix *dmat, uint32_t const max_num_bins) override

Public Member Functions inherited from xgboost::common::CutsBuilder
	CutsBuilder (HistogramCuts *p_cuts)

virtual	~CutsBuilder ()=default

void	AddCutPoint (WQSketch::SummaryContainer const &summary, int max_bin)

Additional Inherited Members
Public Types inherited from xgboost::common::CutsBuilder
using	WQSketch = common::WQuantileSketch< bst_float, bst_float >

Static Public Member Functions inherited from xgboost::common::CutsBuilder
static bool	UseGroup (DMatrix *dmat)

static uint32_t	SearchGroupIndFromRow (std::vector< bst_uint > const &group_ptr, size_t const base_rowid)

Protected Attributes inherited from xgboost::common::CutsBuilder
HistogramCuts *	p_cuts_

Detailed Description

Cut configuration for sparse dataset.

Constructor & Destructor Documentation

xgboost::common::SparseCuts::SparseCuts ( HistogramCuts * container )

inlineexplicit

void xgboost::common::SparseCuts::Build	(	DMatrix *	dmat,
		uint32_t const	max_num_bins
	)

overridevirtual

void xgboost::common::SparseCuts::Concat	(	std::vector< std::unique_ptr< SparseCuts >> const &	cuts,
		uint32_t	n_cols
	)

void xgboost::common::SparseCuts::SingleThreadBuild	(	SparsePage const &	page,
		MetaInfo const &	info,
		uint32_t	max_num_bins,
		bool const	use_group_ind,
		uint32_t	beg,
		uint32_t	end,
		uint32_t	thread_id
	)

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