#include <quantile.h>

Public Member Functions
	SketchContainerImpl (Context const *ctx, std::vector< bst_row_t > columns_size, int32_t max_bins, common::Span< FeatureType const > feature_types, bool use_group)

void	GatherSketchInfo (MetaInfo const &info, std::vector< typename WQSketch::SummaryContainer > const &reduced, std::vector< bst_row_t > p_worker_segments, std::vector< bst_row_t > p_sketches_scan, std::vector< typename WQSketch::Entry > *p_global_sketches)

void	AllReduce (MetaInfo const &info, std::vector< typename WQSketch::SummaryContainer > p_reduced, std::vector< int32_t > p_num_cuts)

template<typename Batch , typename IsValid >
void	PushRowPageImpl (Batch const &batch, size_t base_rowid, OptionalWeights weights, size_t nnz, size_t n_features, bool is_dense, IsValid is_valid)

void	PushRowPage (SparsePage const &page, MetaInfo const &info, Span< float const > hessian={})

void	MakeCuts (MetaInfo const &info, HistogramCuts *cuts)

Static Public Member Functions
static bool	UseGroup (MetaInfo const &info)

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

Protected Attributes
std::vector< WQSketch >	sketches_

std::vector< std::set< float > >	categories_

std::vector< FeatureType > const	feature_types_

std::vector< bst_row_t >	columns_size_

int32_t	max_bins_

bool	use_group_ind_ {false}

int32_t	n_threads_

bool	has_categorical_ {false}

Monitor	monitor_

Detailed Description

template<typename WQSketch>
class xgboost::common::SketchContainerImpl< WQSketch >

A sketch matrix storing sketches for each feature.

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

Public Member Functions