70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/**
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* Copyright 2018-2023 by XGBoost Contributors
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*/
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#include <gtest/gtest.h>
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#include <xgboost/base.h>
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#include <xgboost/span.h>
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#include <xgboost/host_device_vector.h>
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#include <vector>
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#include "../../../src/common/transform.h"
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#include "../helpers.h"
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namespace xgboost::common {
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namespace {
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constexpr DeviceOrd TransformDevice() {
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#if defined(__CUDACC__)
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return DeviceOrd::CUDA(0);
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#else
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return DeviceOrd::CPU();
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#endif
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}
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} // namespace
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template <typename T>
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struct TestTransformRange {
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void XGBOOST_DEVICE operator()(std::size_t _idx, Span<float> _out, Span<const float> _in) {
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_out[_idx] = _in[_idx];
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}
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};
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TEST(Transform, DeclareUnifiedTest(Basic)) {
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const size_t size{256};
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std::vector<float> h_in(size);
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std::vector<float> h_out(size);
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std::iota(h_in.begin(), h_in.end(), 0);
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std::vector<float> h_sol(size);
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std::iota(h_sol.begin(), h_sol.end(), 0);
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auto device = TransformDevice();
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HostDeviceVector<float> const in_vec{h_in, device};
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HostDeviceVector<float> out_vec{h_out, device};
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out_vec.Fill(0);
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Transform<>::Init(TestTransformRange<float>{},
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Range{0, static_cast<Range::DifferenceType>(size)}, AllThreadsForTest(),
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TransformDevice())
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.Eval(&out_vec, &in_vec);
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std::vector<float> res = out_vec.HostVector();
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ASSERT_TRUE(std::equal(h_sol.begin(), h_sol.end(), res.begin()));
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}
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#if !defined(__CUDACC__)
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TEST(TransformDeathTest, Exception) {
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size_t const kSize{16};
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std::vector<float> h_in(kSize);
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const HostDeviceVector<float> in_vec{h_in, DeviceOrd::CPU()};
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EXPECT_DEATH(
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{
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Transform<>::Init([](size_t idx, common::Span<float const> _in) { _in[idx + 1]; },
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Range(0, static_cast<Range::DifferenceType>(kSize)), AllThreadsForTest(),
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DeviceOrd::CPU())
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.Eval(&in_vec);
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},
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"");
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}
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#endif
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} // namespace xgboost::common
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