73 lines
2.2 KiB
Plaintext
73 lines
2.2 KiB
Plaintext
// Copyright (c) 2019 by Contributors
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#include <gtest/gtest.h>
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#include <xgboost/data.h>
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#include "../../../src/data/adapter.h"
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#include "../../../src/data/simple_dmatrix.h"
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#include "../../../src/common/timer.h"
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#include "../helpers.h"
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#include <thrust/device_vector.h>
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#include "../../../src/data/device_adapter.cuh"
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#include "test_array_interface.h"
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using namespace xgboost; // NOLINT
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void TestCudfAdapter()
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{
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constexpr size_t kRowsA {16};
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constexpr size_t kRowsB {16};
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std::vector<Json> columns;
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thrust::device_vector<double> d_data_0(kRowsA);
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thrust::device_vector<uint32_t> d_data_1(kRowsB);
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columns.emplace_back(GenerateDenseColumn<double>("<f8", kRowsA, &d_data_0));
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columns.emplace_back(GenerateDenseColumn<uint32_t>("<u4", kRowsB, &d_data_1));
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Json column_arr {columns};
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std::string str;
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Json::Dump(column_arr, &str);
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data::CudfAdapter adapter(str);
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adapter.Next();
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auto & batch = adapter.Value();
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EXPECT_EQ(batch.Size(), kRowsA + kRowsB);
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EXPECT_NO_THROW({
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dh::LaunchN(batch.Size(), [=] __device__(size_t idx) {
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auto element = batch.GetElement(idx);
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KERNEL_CHECK(element.row_idx == idx / 2);
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if (idx % 2 == 0) {
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KERNEL_CHECK(element.column_idx == 0);
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KERNEL_CHECK(element.value == element.row_idx * 2.0f);
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} else {
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KERNEL_CHECK(element.column_idx == 1);
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KERNEL_CHECK(element.value == element.row_idx * 2.0f);
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}
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});
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dh::safe_cuda(cudaDeviceSynchronize());
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});
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}
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TEST(DeviceAdapter, CudfAdapter) {
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TestCudfAdapter();
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}
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namespace xgboost::data {
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TEST(DeviceAdapter, GetRowCounts) {
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auto ctx = MakeCUDACtx(0);
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for (bst_feature_t n_features : {1, 2, 4, 64, 128, 256}) {
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HostDeviceVector<float> storage;
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auto str_arr = RandomDataGenerator{8192, n_features, 0.0}
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.Device(ctx.Device())
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.GenerateArrayInterface(&storage);
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auto adapter = CupyAdapter{str_arr};
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HostDeviceVector<bst_row_t> offset(adapter.NumRows() + 1, 0);
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offset.SetDevice(ctx.Device());
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auto rstride = GetRowCounts(adapter.Value(), offset.DeviceSpan(), ctx.Device(),
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std::numeric_limits<float>::quiet_NaN());
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ASSERT_EQ(rstride, n_features);
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}
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}
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} // namespace xgboost::data
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