c5b229632d
* prevent multi-gpu usage * fix distributed test * combine gpu predictor tests * set upper bound on n_gpus
27 lines
861 B
Plaintext
27 lines
861 B
Plaintext
// Copyright by Contributors
|
|
#include <xgboost/linear_updater.h>
|
|
#include "../helpers.h"
|
|
#include "xgboost/gbm.h"
|
|
|
|
namespace xgboost {
|
|
|
|
TEST(Linear, GPUCoordinate) {
|
|
auto mat = xgboost::CreateDMatrix(10, 10, 0);
|
|
auto lparam = CreateEmptyGenericParam(0, 1);
|
|
lparam.n_gpus = 1;
|
|
auto updater = std::unique_ptr<xgboost::LinearUpdater>(
|
|
xgboost::LinearUpdater::Create("gpu_coord_descent", &lparam));
|
|
updater->Configure({{"eta", "1."}});
|
|
xgboost::HostDeviceVector<xgboost::GradientPair> gpair(
|
|
(*mat)->Info().num_row_, xgboost::GradientPair(-5, 1.0));
|
|
xgboost::gbm::GBLinearModel model;
|
|
model.param.num_feature = (*mat)->Info().num_col_;
|
|
model.param.num_output_group = 1;
|
|
model.LazyInitModel();
|
|
updater->Update(&gpair, (*mat).get(), &model, gpair.Size());
|
|
|
|
ASSERT_EQ(model.bias()[0], 5.0f);
|
|
|
|
delete mat;
|
|
}
|
|
} // namespace xgboost |