51 lines
2.3 KiB
C++
51 lines
2.3 KiB
C++
#include <gtest/gtest.h>
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#include <xgboost/generic_parameters.h>
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#include "../helpers.h"
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#include "../../../src/gbm/gbtree.h"
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namespace xgboost {
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TEST(GBTree, SelectTreeMethod) {
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using Arg = std::pair<std::string, std::string>;
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size_t constexpr kRows = 10;
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size_t constexpr kCols = 10;
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auto p_shared_ptr_dmat = CreateDMatrix(kRows, kCols, 0);
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auto p_dmat {(*p_shared_ptr_dmat).get()};
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GenericParameter generic_param;
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generic_param.InitAllowUnknown(std::vector<Arg>{Arg("n_gpus", "0")});
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std::unique_ptr<GradientBooster> p_gbm{
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GradientBooster::Create("gbtree", &generic_param, {}, 0)};
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auto& gbtree = dynamic_cast<gbm::GBTree&> (*p_gbm);
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// Test if `tree_method` can be set
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std::string n_feat = std::to_string(kCols);
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std::map<std::string, std::string> args {Arg{"tree_method", "approx"}, Arg{"num_feature", n_feat}};
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gbtree.Configure({args.cbegin(), args.cend()});
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gbtree.ConfigureWithKnownData(args, p_dmat);
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auto const& tparam = gbtree.GetTrainParam();
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gbtree.ConfigureWithKnownData({Arg{"tree_method", "approx"}, Arg{"num_feature", n_feat}}, p_dmat);
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ASSERT_EQ(tparam.updater_seq, "grow_histmaker,prune");
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gbtree.ConfigureWithKnownData({Arg("tree_method", "exact"), Arg("num_feature", n_feat)}, p_dmat);
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ASSERT_EQ(tparam.updater_seq, "grow_colmaker,prune");
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gbtree.ConfigureWithKnownData({Arg("tree_method", "hist"), Arg("num_feature", n_feat)}, p_dmat);
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ASSERT_EQ(tparam.updater_seq, "grow_quantile_histmaker");
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ASSERT_EQ(tparam.predictor, "cpu_predictor");
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gbtree.ConfigureWithKnownData({Arg{"booster", "dart"}, Arg{"tree_method", "hist"},
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Arg{"num_feature", n_feat}}, p_dmat);
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ASSERT_EQ(tparam.updater_seq, "grow_quantile_histmaker");
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#ifdef XGBOOST_USE_CUDA
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generic_param.InitAllowUnknown(std::vector<Arg>{Arg{"n_gpus", "1"}});
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gbtree.ConfigureWithKnownData({Arg("tree_method", "gpu_hist"), Arg("num_feature", n_feat)},
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p_dmat);
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ASSERT_EQ(tparam.updater_seq, "grow_gpu_hist");
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ASSERT_EQ(tparam.predictor, "gpu_predictor");
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gbtree.ConfigureWithKnownData({Arg{"booster", "dart"}, Arg{"tree_method", "gpu_hist"},
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Arg{"num_feature", n_feat}}, p_dmat);
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ASSERT_EQ(tparam.updater_seq, "grow_gpu_hist");
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#endif
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delete p_shared_ptr_dmat;
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}
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} // namespace xgboost
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