same as summary, but use STL to backup the space More...

#include <quantile.h>

Inheritance diagram for xgboost::common::QuantileSketchTemplate< DType, RType, TSummary >::SummaryContainer:

Public Member Functions
	SummaryContainer (const SummaryContainer &src)

void	Reserve (size_t size)
	reserve space for summary

void	Reduce (const Summary &src, size_t max_nbyte)
	do elementwise combination of summary array this[i] = combine(this[i], src[i]) for each i

template<typename TStream >
void	Save (TStream &fo) const
	save the data structure into stream

template<typename TStream >
void	Load (TStream &fi)
	load data structure from input stream

Static Public Member Functions
static size_t	CalcMemCost (size_t nentry)
	return the number of bytes this data structure cost in serialization

Detailed Description

template<typename DType, typename RType, class TSummary>
struct xgboost::common::QuantileSketchTemplate< DType, RType, TSummary >::SummaryContainer

same as summary, but use STL to backup the space

Member Function Documentation

template<typename DType , typename RType , class TSummary >

void xgboost::common::QuantileSketchTemplate< DType, RType, TSummary >::SummaryContainer::Reduce	(	const Summary &	src,
		size_t	max_nbyte
	)

inline

do elementwise combination of summary array this[i] = combine(this[i], src[i]) for each i

Parameters

src	the source summary
max_nbyte	maximum number of byte allowed in here

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