Hendrik/xgboost
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Support cpu quantile sketch with column-wise data split (#8742)

Browse Source
This commit is contained in:
Rong Ou
2023-02-04 22:26:24 -08:00
committed by GitHub
parent c1786849e3
commit 66191e9926
15 changed files with 250 additions and 118 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
tests/cpp/predictor/test_cpu_predictor.cc
View File

@@ -97,7 +97,6 @@ void TestColumnSplitPredictBatch() {
auto dmat = RandomDataGenerator(kRows, kCols, 0).GenerateDMatrix();
auto const world_size = collective::GetWorldSize();
auto const rank = collective::GetRank();
auto const kSliceSize = (kCols + 1) / world_size;
auto lparam = CreateEmptyGenericParam(GPUIDX);
std::unique_ptr<Predictor> cpu_predictor =
@@ -112,7 +111,7 @@ void TestColumnSplitPredictBatch() {
// Test predict batch
PredictionCacheEntry out_predictions;
cpu_predictor->InitOutPredictions(dmat->Info(), &out_predictions.predictions, model);
auto sliced = std::unique_ptr<DMatrix>{dmat->SliceCol(rank * kSliceSize, kSliceSize)};
auto sliced = std::unique_ptr<DMatrix>{dmat->SliceCol(world_size, rank)};
cpu_predictor->PredictBatch(sliced.get(), &out_predictions, model, 0);
std::vector<float>& out_predictions_h = out_predictions.predictions.HostVector();