28 lines
842 B
C++
28 lines
842 B
C++
/**
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* Copyright 2021-2023, XGBoost contributors
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*/
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#include <gtest/gtest.h>
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#include "../../../src/data/adapter.h"
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#include "../../../src/data/proxy_dmatrix.h"
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#include "../helpers.h"
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namespace xgboost::data {
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TEST(ProxyDMatrix, HostData) {
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DMatrixProxy proxy;
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size_t constexpr kRows = 100, kCols = 10;
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std::vector<HostDeviceVector<float>> label_storage(1);
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HostDeviceVector<float> storage;
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auto data =
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RandomDataGenerator(kRows, kCols, 0.5).Device(FstCU()).GenerateArrayInterface(&storage);
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proxy.SetArrayData(data.c_str());
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auto n_samples = HostAdapterDispatch(&proxy, [](auto const &value) { return value.Size(); });
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ASSERT_EQ(n_samples, kRows);
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auto n_features = HostAdapterDispatch(&proxy, [](auto const &value) { return value.NumCols(); });
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ASSERT_EQ(n_features, kCols);
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}
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} // namespace xgboost::data
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