80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/*!
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* Copyright 2021 by XGBoost Contributors
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*/
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#ifndef XGBOOST_TESTS_CPP_DATA_TEST_METAINFO_H_
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#define XGBOOST_TESTS_CPP_DATA_TEST_METAINFO_H_
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#include <gtest/gtest.h>
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#include <xgboost/data.h>
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#include <xgboost/host_device_vector.h>
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#include <xgboost/linalg.h>
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#include <numeric>
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#include "../../../src/common/linalg_op.h"
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#include "../../../src/data/array_interface.h"
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namespace xgboost {
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inline void TestMetaInfoStridedData(DeviceOrd device) {
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MetaInfo info;
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Context ctx;
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ctx.UpdateAllowUnknown(Args{{"device", device.Name()}});
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{
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// labels
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linalg::Tensor<float, 3> labels;
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labels.Reshape(4, 2, 3);
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auto& h_label = labels.Data()->HostVector();
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std::iota(h_label.begin(), h_label.end(), 0.0);
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auto t_labels = labels.View(device).Slice(linalg::All(), 0, linalg::All());
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ASSERT_EQ(t_labels.Shape().size(), 2);
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info.SetInfo(ctx, "label", StringView{ArrayInterfaceStr(t_labels)});
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auto const& h_result = info.labels.View(DeviceOrd::CPU());
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ASSERT_EQ(h_result.Shape().size(), 2);
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auto in_labels = labels.View(DeviceOrd::CPU());
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linalg::ElementWiseKernelHost(h_result, omp_get_max_threads(), [&](size_t i, float& v_0) {
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auto tup = linalg::UnravelIndex(i, h_result.Shape());
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auto i0 = std::get<0>(tup);
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auto i1 = std::get<1>(tup);
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// Sliced at second dimension.
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auto v_1 = in_labels(i0, 0, i1);
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CHECK_EQ(v_0, v_1);
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});
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}
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{
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// qid
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linalg::Tensor<uint64_t, 2> qid;
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qid.Reshape(32, 2);
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auto& h_qid = qid.Data()->HostVector();
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std::iota(h_qid.begin(), h_qid.end(), 0);
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auto s = qid.View(device).Slice(linalg::All(), 0);
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auto str = ArrayInterfaceStr(s);
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info.SetInfo(ctx, "qid", StringView{str});
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auto const& h_result = info.group_ptr_;
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ASSERT_EQ(h_result.size(), s.Size() + 1);
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}
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{
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// base margin
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linalg::Tensor<float, 3> base_margin;
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base_margin.Reshape(4, 2, 3);
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auto& h_margin = base_margin.Data()->HostVector();
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std::iota(h_margin.begin(), h_margin.end(), 0.0);
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auto t_margin = base_margin.View(device).Slice(linalg::All(), 0, linalg::All());
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ASSERT_EQ(t_margin.Shape().size(), 2);
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info.SetInfo(ctx, "base_margin", StringView{ArrayInterfaceStr(t_margin)});
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auto const& h_result = info.base_margin_.View(DeviceOrd::CPU());
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ASSERT_EQ(h_result.Shape().size(), 2);
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auto in_margin = base_margin.View(DeviceOrd::CPU());
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linalg::ElementWiseKernelHost(h_result, omp_get_max_threads(), [&](size_t i, float v_0) {
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auto tup = linalg::UnravelIndex(i, h_result.Shape());
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auto i0 = std::get<0>(tup);
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auto i1 = std::get<1>(tup);
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// Sliced at second dimension.
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auto v_1 = in_margin(i0, 0, i1);
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CHECK_EQ(v_0, v_1);
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});
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}
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}
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} // namespace xgboost
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#endif // XGBOOST_TESTS_CPP_DATA_TEST_METAINFO_H_
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