xgboost/tests/cpp/metric/test_multiclass_metric.cc
Rong Ou 38ab79f889 Make HostDeviceVector single gpu only (#4773)
* Make HostDeviceVector single gpu only
2019-08-26 09:51:13 +12:00

74 lines
2.0 KiB
C++

// Copyright by Contributors
#include <xgboost/metric.h>
#include <string>
#include "../helpers.h"
inline void TestMultiClassError(int device) {
auto lparam = xgboost::CreateEmptyGenericParam(device);
lparam.gpu_id = device;
xgboost::Metric * metric = xgboost::Metric::Create("merror", &lparam);
metric->Configure({});
ASSERT_STREQ(metric->Name(), "merror");
EXPECT_ANY_THROW(GetMetricEval(metric, {0}, {0, 0}));
EXPECT_NEAR(GetMetricEval(
metric, {1, 0, 0, 0, 1, 0, 0, 0, 1}, {0, 1, 2}), 0, 1e-10);
EXPECT_NEAR(GetMetricEval(metric,
{0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f},
{0, 1, 2}),
0.666f, 0.001f);
delete metric;
}
TEST(Metric, DeclareUnifiedTest(MultiClassError)) {
TestMultiClassError(GPUIDX);
}
inline void TestMultiClassLogLoss(int device) {
auto lparam = xgboost::CreateEmptyGenericParam(device);
lparam.gpu_id = device;
xgboost::Metric * metric = xgboost::Metric::Create("mlogloss", &lparam);
metric->Configure({});
ASSERT_STREQ(metric->Name(), "mlogloss");
EXPECT_ANY_THROW(GetMetricEval(metric, {0}, {0, 0}));
EXPECT_NEAR(GetMetricEval(
metric, {1, 0, 0, 0, 1, 0, 0, 0, 1}, {0, 1, 2}), 0, 1e-10);
EXPECT_NEAR(GetMetricEval(metric,
{0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f},
{0, 1, 2}),
2.302f, 0.001f);
delete metric;
}
TEST(Metric, DeclareUnifiedTest(MultiClassLogLoss)) {
TestMultiClassLogLoss(GPUIDX);
}
#if defined(XGBOOST_USE_NCCL) && defined(__CUDACC__)
namespace xgboost {
namespace common {
TEST(Metric, MGPU_MultiClassError) {
if (AllVisibleGPUs() < 2) {
LOG(WARNING) << "Not testing in multi-gpu environment.";
return;
}
{
TestMultiClassError(0);
}
{
TestMultiClassError(1);
}
{
TestMultiClassLogLoss(0);
}
{
TestMultiClassLogLoss(1);
}
}
} // namespace common
} // namespace xgboost
#endif // defined(XGBOOST_USE_NCCL)