xgboost
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Utility for fast histogram aggregation. More...
#include <xgboost/data.h>
#include <limits>
#include <vector>
#include "row_set.h"
#include "../tree/param.h"
#include "./quantile.h"
#include "./timer.h"
#include "../include/rabit/rabit.h"
Go to the source code of this file.
Classes | |
struct | xgboost::common::SimpleArray< T > |
struct | xgboost::common::HistCutMatrix |
Cut configuration for all the features. More... | |
struct | xgboost::common::GHistIndexMatrix |
preprocessed global index matrix, in CSR format Transform floating values to integer index in histogram This is a global histogram index. More... | |
struct | xgboost::common::GHistIndexBlock |
class | xgboost::common::GHistIndexBlockMatrix |
class | xgboost::common::HistCollection |
histogram of gradient statistics for multiple nodes More... | |
class | xgboost::common::GHistBuilder |
builder for histograms of gradient statistics More... | |
Namespaces | |
xgboost | |
namespace of xgboost | |
xgboost::common | |
Typedefs | |
using | xgboost::common::GHistIndexRow = Span< uint32_t const > |
A single row in global histogram index. Directly represent the global index in the histogram entry. More... | |
using | xgboost::common::GHistRow = Span< tree::GradStats > |
histogram of graident statistics for a single node. Consists of multiple GradStats, each entry showing total graident statistics for that particular bin Uses global bin id so as to represent all features simultaneously More... | |
Functions | |
void | xgboost::common::DeviceSketch (const SparsePage &batch, const MetaInfo &info, const tree::TrainParam ¶m, HistCutMatrix *hmat, int gpu_batch_nrows) |
Builds the cut matrix on the GPU. More... | |
Utility for fast histogram aggregation.
Copyright 2017 by Contributors