xgboost.data::GHistIndexRawFormat Class Reference

Inheritance diagram for xgboost.data::GHistIndexRawFormat:

Public Member Functions
bool	Read (GHistIndexMatrix *page, common::AlignedResourceReadStream *fi) override
	Load all the segments into page, advance fi to end of the block.
std::size_t	Write (GHistIndexMatrix const &page, common::AlignedFileWriteStream *fo) override
	save the data to fo, when a page was written.

Member Function Documentation

Read()

bool xgboost.data::GHistIndexRawFormat::Read ( GHistIndexMatrix *  page, common::AlignedResourceReadStream *  fi  )

inlineoverridevirtual

Load all the segments into page, advance fi to end of the block.

Parameters

page	The data to read page into.
fi	the input stream of the file

Returns

true of the loading as successful, false if end of file was reached

Implements xgboost.data::SparsePageFormat< GHistIndexMatrix >.

Write()

std::size_t xgboost.data::GHistIndexRawFormat::Write ( GHistIndexMatrix const &  page, common::AlignedFileWriteStream *  fo  )

inlineoverridevirtual

save the data to fo, when a page was written.

Parameters

fo	output stream

Implements xgboost.data::SparsePageFormat< GHistIndexMatrix >.

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

• External/xgboost/src/data/gradient_index_format.cc