73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*!
|
|
* Copyright 2017-2024 by Contributors
|
|
* \file hist_updater.h
|
|
*/
|
|
#ifndef PLUGIN_SYCL_TREE_HIST_UPDATER_H_
|
|
#define PLUGIN_SYCL_TREE_HIST_UPDATER_H_
|
|
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wtautological-constant-compare"
|
|
#pragma GCC diagnostic ignored "-W#pragma-messages"
|
|
#include <xgboost/tree_updater.h>
|
|
#pragma GCC diagnostic pop
|
|
|
|
#include <utility>
|
|
#include <memory>
|
|
|
|
#include "../common/partition_builder.h"
|
|
#include "split_evaluator.h"
|
|
|
|
#include "../data.h"
|
|
|
|
namespace xgboost {
|
|
namespace sycl {
|
|
namespace tree {
|
|
|
|
template<typename GradientSumT>
|
|
class HistUpdater {
|
|
public:
|
|
explicit HistUpdater(::sycl::queue qu,
|
|
const xgboost::tree::TrainParam& param,
|
|
std::unique_ptr<TreeUpdater> pruner,
|
|
FeatureInteractionConstraintHost int_constraints_,
|
|
DMatrix const* fmat)
|
|
: qu_(qu), param_(param),
|
|
tree_evaluator_(qu, param, fmat->Info().num_col_),
|
|
pruner_(std::move(pruner)),
|
|
interaction_constraints_{std::move(int_constraints_)},
|
|
p_last_tree_(nullptr), p_last_fmat_(fmat) {
|
|
builder_monitor_.Init("SYCL::Quantile::HistUpdater");
|
|
kernel_monitor_.Init("SYCL::Quantile::HistUpdater");
|
|
const auto sub_group_sizes =
|
|
qu_.get_device().get_info<::sycl::info::device::sub_group_sizes>();
|
|
sub_group_size_ = sub_group_sizes.back();
|
|
}
|
|
|
|
protected:
|
|
void InitSampling(const USMVector<GradientPair, MemoryType::on_device> &gpair,
|
|
USMVector<size_t, MemoryType::on_device>* row_indices);
|
|
|
|
size_t sub_group_size_;
|
|
const xgboost::tree::TrainParam& param_;
|
|
TreeEvaluator<GradientSumT> tree_evaluator_;
|
|
std::unique_ptr<TreeUpdater> pruner_;
|
|
FeatureInteractionConstraintHost interaction_constraints_;
|
|
|
|
// back pointers to tree and data matrix
|
|
const RegTree* p_last_tree_;
|
|
DMatrix const* const p_last_fmat_;
|
|
|
|
xgboost::common::Monitor builder_monitor_;
|
|
xgboost::common::Monitor kernel_monitor_;
|
|
|
|
uint64_t seed_ = 0;
|
|
|
|
::sycl::queue qu_;
|
|
};
|
|
|
|
} // namespace tree
|
|
} // namespace sycl
|
|
} // namespace xgboost
|
|
|
|
#endif // PLUGIN_SYCL_TREE_HIST_UPDATER_H_
|