58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/*!
|
|
* Copyright 2019-2022 by XGBoost Contributors
|
|
*/
|
|
|
|
#ifndef XGBOOST_DATA_ELLPACK_PAGE_SOURCE_H_
|
|
#define XGBOOST_DATA_ELLPACK_PAGE_SOURCE_H_
|
|
|
|
#include <xgboost/data.h>
|
|
#include <memory>
|
|
#include <string>
|
|
#include <utility>
|
|
|
|
#include "../common/common.h"
|
|
#include "../common/hist_util.h"
|
|
#include "sparse_page_source.h"
|
|
|
|
namespace xgboost {
|
|
namespace data {
|
|
|
|
class EllpackPageSource : public PageSourceIncMixIn<EllpackPage> {
|
|
bool is_dense_;
|
|
size_t row_stride_;
|
|
BatchParam param_;
|
|
common::Span<FeatureType const> feature_types_;
|
|
std::unique_ptr<common::HistogramCuts> cuts_;
|
|
|
|
public:
|
|
EllpackPageSource(float missing, int nthreads, bst_feature_t n_features, size_t n_batches,
|
|
std::shared_ptr<Cache> cache, BatchParam param,
|
|
std::unique_ptr<common::HistogramCuts> cuts, bool is_dense, size_t row_stride,
|
|
common::Span<FeatureType const> feature_types,
|
|
std::shared_ptr<SparsePageSource> source)
|
|
: PageSourceIncMixIn(missing, nthreads, n_features, n_batches, cache, false),
|
|
is_dense_{is_dense},
|
|
row_stride_{row_stride},
|
|
param_{std::move(param)},
|
|
feature_types_{feature_types},
|
|
cuts_{std::move(cuts)} {
|
|
this->source_ = source;
|
|
this->Fetch();
|
|
}
|
|
|
|
void Fetch() final;
|
|
};
|
|
|
|
#if !defined(XGBOOST_USE_CUDA) && !defined(XGBOOST_USE_HIP)
|
|
inline void EllpackPageSource::Fetch() {
|
|
// silent the warning about unused variables.
|
|
(void)(row_stride_);
|
|
(void)(is_dense_);
|
|
common::AssertGPUSupport();
|
|
}
|
|
#endif // !defined(XGBOOST_USE_CUDA) && !defined(XGBOOST_USE_HIP)
|
|
} // namespace data
|
|
} // namespace xgboost
|
|
|
|
#endif // XGBOOST_DATA_ELLPACK_PAGE_SOURCE_H_
|