xgboost
Classes | Namespaces | Enumerations
column_matrix.h File Reference

Utility for fast column-wise access. More...

#include <limits>
#include <vector>
#include <memory>
#include "hist_util.h"
Include dependency graph for column_matrix.h:

Go to the source code of this file.

Classes

class  xgboost::common::Column< BinIdxType >
 a column storage, to be used with ApplySplit. Note that each bin id is stored as index[i] + index_base. Different types of column index for each column allow to reduce the memory usage. More...
 
class  xgboost::common::SparseColumn< BinIdxType >
 
class  xgboost::common::DenseColumn< BinIdxType >
 
class  xgboost::common::ColumnMatrix
 a collection of columns, with support for construction from GHistIndexMatrix. More...
 

Namespaces

 xgboost
 namespace of xgboost
 
 xgboost::common
 

Enumerations

enum  xgboost::common::ColumnType { xgboost::common::kDenseColumn, xgboost::common::kSparseColumn }
 column type More...
 

Detailed Description

Utility for fast column-wise access.

Copyright 2017 by Contributors

Author
Philip Cho