xgboost/tests/cpp/data/test_proxy_dmatrix.cu
Jiaming Yuan 5b1161bb64
Convert labels into tensor. (#7456)
* Add a new ctor to tensor for `initilizer_list`.
* Change labels from host device vector to tensor.
* Rename the field from `labels_` to `labels` since it's a public member.
2021-12-17 00:58:35 +08:00

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#include <gtest/gtest.h>
#include <xgboost/host_device_vector.h>
#include <memory>
#include "../helpers.h"
#include "../../../src/data/device_adapter.cuh"
#include "../../../src/data/proxy_dmatrix.h"
namespace xgboost {
namespace data {
TEST(ProxyDMatrix, DeviceData) {
constexpr size_t kRows{100}, kCols{100};
HostDeviceVector<float> storage;
auto data = RandomDataGenerator(kRows, kCols, 0.5)
.Device(0)
.GenerateArrayInterface(&storage);
std::vector<HostDeviceVector<float>> label_storage(1);
auto labels = RandomDataGenerator(kRows, 1, 0)
.Device(0)
.GenerateColumnarArrayInterface(&label_storage);
DMatrixProxy proxy;
proxy.SetData(data.c_str());
proxy.SetInfo("label", labels.c_str());
ASSERT_EQ(proxy.Adapter().type(), typeid(std::shared_ptr<CupyAdapter>));
ASSERT_EQ(proxy.Info().labels.Size(), kRows);
ASSERT_EQ(dmlc::get<std::shared_ptr<CupyAdapter>>(proxy.Adapter())->NumRows(),
kRows);
ASSERT_EQ(
dmlc::get<std::shared_ptr<CupyAdapter>>(proxy.Adapter())->NumColumns(),
kCols);
std::vector<HostDeviceVector<float>> columnar_storage(kCols);
data = RandomDataGenerator(kRows, kCols, 0)
.Device(0)
.GenerateColumnarArrayInterface(&columnar_storage);
proxy.SetData(data.c_str());
ASSERT_EQ(proxy.Adapter().type(), typeid(std::shared_ptr<CudfAdapter>));
ASSERT_EQ(dmlc::get<std::shared_ptr<CudfAdapter>>(proxy.Adapter())->NumRows(),
kRows);
ASSERT_EQ(
dmlc::get<std::shared_ptr<CudfAdapter>>(proxy.Adapter())->NumColumns(),
kCols);
}
} // namespace data
} // namespace xgboost