d594b11f35
* Implement Transform class. * Add tests for softmax. * Use Transform in regression, softmax and hinge objectives, except for Cox. * Mark old gpu objective functions deprecated. * static_assert for softmax. * Split up multi-gpu tests.
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
#include <xgboost/base.h>
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#include <gtest/gtest.h>
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#include <vector>
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#include "../../../src/common/host_device_vector.h"
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#include "../../../src/common/transform.h"
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#include "../../../src/common/span.h"
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#include "../helpers.h"
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#if defined(__CUDACC__)
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#define TRANSFORM_GPU_RANGE GPUSet::Range(0, 1)
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#define TRANSFORM_GPU_DIST GPUDistribution::Block(GPUSet::Range(0, 1))
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#else
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#define TRANSFORM_GPU_RANGE GPUSet::Empty()
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#define TRANSFORM_GPU_DIST GPUDistribution::Block(GPUSet::Empty())
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#endif
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template <typename Iter>
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void InitializeRange(Iter _begin, Iter _end) {
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float j = 0;
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for (Iter i = _begin; i != _end; ++i, ++j) {
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*i = j;
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}
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}
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namespace xgboost {
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namespace common {
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template <typename T>
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struct TestTransformRange {
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void XGBOOST_DEVICE operator()(size_t _idx,
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Span<bst_float> _out, Span<const bst_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<bst_float> h_in(size);
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std::vector<bst_float> h_out(size);
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InitializeRange(h_in.begin(), h_in.end());
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std::vector<bst_float> h_sol(size);
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InitializeRange(h_sol.begin(), h_sol.end());
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const HostDeviceVector<bst_float> in_vec{h_in, TRANSFORM_GPU_DIST};
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HostDeviceVector<bst_float> out_vec{h_out, TRANSFORM_GPU_DIST};
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out_vec.Fill(0);
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Transform<>::Init(TestTransformRange<bst_float>{}, Range{0, size}, TRANSFORM_GPU_RANGE)
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.Eval(&out_vec, &in_vec);
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std::vector<bst_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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} // namespace common
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} // namespace xgboost
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