9700776597
* Initial support for cudf integration. * Add two C APIs for consuming data and metainfo. * Add CopyFrom for SimpleCSRSource as a generic function to consume the data. * Add FromDeviceColumnar for consuming device data. * Add new MetaInfo::SetInfo for consuming label, weight etc.
57 lines
1.6 KiB
Plaintext
57 lines
1.6 KiB
Plaintext
/*! Copyright 2019 by Contributors */
|
|
|
|
#include <gtest/gtest.h>
|
|
#include <xgboost/data.h>
|
|
#include <xgboost/json.h>
|
|
#include <thrust/device_vector.h>
|
|
#include "../../../src/common/device_helpers.cuh"
|
|
|
|
namespace xgboost {
|
|
TEST(MetaInfo, FromInterface) {
|
|
cudaSetDevice(0);
|
|
constexpr size_t kRows = 16;
|
|
|
|
thrust::device_vector<float> d_data(kRows);
|
|
for (size_t i = 0; i < d_data.size(); ++i) {
|
|
d_data[i] = i * 2.0;
|
|
}
|
|
|
|
Json column { Object() };
|
|
|
|
std::vector<Json> j_shape {Json(Integer(static_cast<Integer::Int>(kRows)))};
|
|
column["shape"] = Array(j_shape);
|
|
column["strides"] = Array(std::vector<Json>{Json(Integer(static_cast<Integer::Int>(4)))});
|
|
column["version"] = Integer(static_cast<Integer::Int>(1));
|
|
column["typestr"] = String("<f4");
|
|
|
|
auto p_d_data = dh::Raw(d_data);
|
|
std::vector<Json> j_data {
|
|
Json(Integer(reinterpret_cast<Integer::Int>(p_d_data))),
|
|
Json(Boolean(false))};
|
|
column["data"] = j_data;
|
|
|
|
std::stringstream ss;
|
|
Json::Dump(column, &ss);
|
|
std::string str = ss.str();
|
|
|
|
MetaInfo info;
|
|
info.SetInfo("label", str.c_str());
|
|
|
|
auto const& h_label = info.labels_.HostVector();
|
|
for (size_t i = 0; i < d_data.size(); ++i) {
|
|
ASSERT_EQ(h_label[i], d_data[i]);
|
|
}
|
|
|
|
info.SetInfo("weight", str.c_str());
|
|
auto const& h_weight = info.weights_.HostVector();
|
|
for (size_t i = 0; i < d_data.size(); ++i) {
|
|
ASSERT_EQ(h_weight[i], d_data[i]);
|
|
}
|
|
|
|
info.SetInfo("base_margin", str.c_str());
|
|
auto const& h_base_margin = info.base_margin_.HostVector();
|
|
for (size_t i = 0; i < d_data.size(); ++i) {
|
|
ASSERT_EQ(h_base_margin[i], d_data[i]);
|
|
}
|
|
}
|
|
} // namespace xgboost |