xgboost::gbm Namespace Reference

Copyright 2019-2023, XGBoost Contributors. More...

Data Structures
class	Dart
struct	DartTrainParam
	training parameters More...
struct	DeprecatedGBLinearModelParam
class	GBLinear
	gradient boosted linear model More...
class	GBLinearModel
struct	GBLinearTrainParam
class	GBTree
struct	GBTreeModel
struct	GBTreeModelParam
	model parameters More...
struct	GBTreeTrainParam
	training parameters More...

Typedefs
using	TreesOneGroup = std::vector< std::unique_ptr< RegTree > >
	Container for all trees built (not update) for one group.
using	TreesOneIter = std::vector< TreesOneGroup >
	Container for all trees built (not update) for one iteration.

Functions
	DMLC_REGISTRY_FILE_TAG (gblinear)
void	LinearCheckLayer (unsigned layer_begin)
	DMLC_REGISTER_PARAMETER (GBLinearTrainParam)
	describe ("Linear booster, implement generalized linear model.") .set_body([](LearnerModelParam const *booster_config
	DMLC_REGISTER_PARAMETER (DeprecatedGBLinearModelParam)
	DMLC_REGISTRY_LINK_TAG (gblinear)
	DMLC_REGISTRY_LINK_TAG (gbtree)
	DMLC_REGISTRY_FILE_TAG (gbtree)
void	GPUCopyGradient (HostDeviceVector< GradientPair > const *, bst_group_t, bst_group_t, HostDeviceVector< GradientPair > *)
void	CopyGradient (HostDeviceVector< GradientPair > const *in_gpair, int32_t n_threads, bst_group_t n_groups, bst_group_t group_id, HostDeviceVector< GradientPair > *out_gpair)
void	GPUDartPredictInc (common::Span< float >, common::Span< float >, float, size_t, bst_group_t, bst_group_t)
	Increment the prediction on GPU.
void	GPUDartInplacePredictInc (common::Span< float >, common::Span< float >, float, size_t, linalg::TensorView< float const, 1 >, bst_group_t, bst_group_t)
	DMLC_REGISTER_PARAMETER (GBTreeModelParam)
	DMLC_REGISTER_PARAMETER (GBTreeTrainParam)
	DMLC_REGISTER_PARAMETER (DartTrainParam)
	describe ("Tree booster, gradient boosted trees.") .set_body([](LearnerModelParam const *booster_config
	describe ("Tree booster, dart.") .set_body([](LearnerModelParam const *booster_config
	TEST (GBLinear, JsonIO)

Variables
Context const *	ctx
return	p

Detailed Description

Copyright 2019-2023, XGBoost Contributors.

Function Documentation

GPUDartPredictInc()

void xgboost::gbm::GPUDartPredictInc	(	common::Span< float >	,
		common::Span< float >	,
		float	,
		size_t	,
		bst_group_t	,
		bst_group_t
	)

Increment the prediction on GPU.

Parameters

out_predts	Prediction for the whole model.
predts	Prediction for current tree.
tree_w	Tree weight.

Variable Documentation

ctx

Context const * xgboost::gbm::ctx

Initial value:

{
      return new GBLinear(booster_config, ctx)