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Implement iterative DMatrix for CPU. (#8116)

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This commit is contained in:
Jiaming Yuan
2022-07-26 22:34:21 +08:00
committed by GitHub
parent 546de5efd2
commit 2c70751d1e
20 changed files with 636 additions and 190 deletions
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11
tests/cpp/predictor/test_cpu_predictor.cc
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@@ -245,6 +245,17 @@ void TestUpdatePredictionCache(bool use_subsampling) {
}
}
TEST(CPUPredictor, GHistIndex) {
size_t constexpr kRows{128}, kCols{16}, kBins{64};
auto p_hist = RandomDataGenerator{kRows, kCols, 0.0}.Bins(kBins).GenerateQuantileDMatrix();
HostDeviceVector<float> storage(kRows * kCols);
auto columnar = RandomDataGenerator{kRows, kCols, 0.0}.GenerateArrayInterface(&storage);
auto adapter = data::ArrayAdapter(columnar.c_str());
std::shared_ptr<DMatrix> p_full{
DMatrix::Create(&adapter, std::numeric_limits<float>::quiet_NaN(), 1)};
TestTrainingPrediction(kRows, kBins, "hist", p_full, p_hist);
}
TEST(CPUPredictor, CategoricalPrediction) {
TestCategoricalPrediction("cpu_predictor");
}