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Support column split in histogram builder (#8811)

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This commit is contained in:
Rong Ou
2023-02-17 06:37:01 -08:00
committed by GitHub
parent 40fd3d6d5f
commit a65ad0bd9c
8 changed files with 38 additions and 22 deletions
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4
src/common/hist_util.cc
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@@ -46,7 +46,7 @@ HistogramCuts SketchOnDMatrix(DMatrix *m, int32_t max_bins, int32_t n_threads, b
if (!use_sorted) {
HostSketchContainer container(max_bins, m->Info().feature_types.ConstHostSpan(), reduced,
HostSketchContainer::UseGroup(info),
m->Info().data_split_mode == DataSplitMode::kCol, n_threads);
m->IsColumnSplit(), n_threads);
for (auto const& page : m->GetBatches<SparsePage>()) {
container.PushRowPage(page, info, hessian);
}
@@ -54,7 +54,7 @@ HistogramCuts SketchOnDMatrix(DMatrix *m, int32_t max_bins, int32_t n_threads, b
} else {
SortedSketchContainer container{max_bins, m->Info().feature_types.ConstHostSpan(), reduced,
HostSketchContainer::UseGroup(info),
m->Info().data_split_mode == DataSplitMode::kCol, n_threads};
m->IsColumnSplit(), n_threads};
for (auto const& page : m->GetBatches<SortedCSCPage>()) {
container.PushColPage(page, info, hessian);
}