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Group aware GPU sketching. (#5551)

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* Group aware GPU weighted sketching.

* Distribute group weights to each data point.
* Relax the test.
* Validate input meta info.
* Fix metainfo copy ctor.
This commit is contained in:
Jiaming Yuan
2020-04-20 17:18:52 +08:00
committed by GitHub
parent 397d8f0ee7
commit 29a4cfe400
9 changed files with 296 additions and 124 deletions
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14
tests/cpp/data/test_metainfo.cc
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@@ -141,3 +141,17 @@ TEST(MetaInfo, LoadQid) {
CHECK(batch.data.HostVector() == expected_data);
}
}
TEST(MetaInfo, Validate) {
xgboost::MetaInfo info;
info.num_row_ = 10;
info.num_nonzero_ = 12;
info.num_col_ = 3;
std::vector<xgboost::bst_group_t> groups (11);
info.SetInfo("group", groups.data(), xgboost::DataType::kUInt32, 11);
EXPECT_THROW(info.Validate(), dmlc::Error);
std::vector<float> labels(info.num_row_ + 1);
info.SetInfo("label", labels.data(), xgboost::DataType::kFloat32, info.num_row_ + 1);
EXPECT_THROW(info.Validate(), dmlc::Error);
}