e8a962575a
- New parameter `on_host`. - Abstract format creation and stream creation into policy classes.
71 lines
2.5 KiB
Plaintext
71 lines
2.5 KiB
Plaintext
/**
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* Copyright 2021-2024, XGBoost contributors
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*/
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#include <gtest/gtest.h>
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#include <xgboost/data.h>
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#include "../../../src/data/ellpack_page.cuh" // for EllpackPage
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#include "../../../src/data/ellpack_page_raw_format.h" // for EllpackPageRawFormat
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#include "../../../src/data/ellpack_page_source.h" // for EllpackFormatStreamPolicy
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#include "../../../src/tree/param.h" // for TrainParam
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#include "../filesystem.h" // dmlc::TemporaryDirectory
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#include "../helpers.h"
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namespace xgboost::data {
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namespace {
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template <typename FormatStreamPolicy>
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void TestEllpackPageRawFormat() {
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FormatStreamPolicy policy;
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Context ctx{MakeCUDACtx(0)};
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auto param = BatchParam{256, tree::TrainParam::DftSparseThreshold()};
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auto m = RandomDataGenerator{100, 14, 0.5}.GenerateDMatrix();
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dmlc::TemporaryDirectory tmpdir;
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std::string path = tmpdir.path + "/ellpack.page";
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std::shared_ptr<common::HistogramCuts const> cuts;
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for (auto const &page : m->GetBatches<EllpackPage>(&ctx, param)) {
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cuts = page.Impl()->CutsShared();
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}
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ASSERT_EQ(cuts->cut_values_.Device(), ctx.Device());
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ASSERT_TRUE(cuts->cut_values_.DeviceCanRead());
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policy.SetCuts(cuts, ctx.Device());
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std::unique_ptr<EllpackPageRawFormat> format{policy.CreatePageFormat()};
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std::size_t n_bytes{0};
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{
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auto fo = policy.CreateWriter(StringView{path}, 0);
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for (auto const &ellpack : m->GetBatches<EllpackPage>(&ctx, param)) {
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n_bytes += format->Write(ellpack, fo.get());
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}
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}
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EllpackPage page;
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auto fi = policy.CreateReader(StringView{path}, static_cast<bst_idx_t>(0), n_bytes);
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ASSERT_TRUE(format->Read(&page, fi.get()));
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for (auto const &ellpack : m->GetBatches<EllpackPage>(&ctx, param)) {
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auto loaded = page.Impl();
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auto orig = ellpack.Impl();
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ASSERT_EQ(loaded->Cuts().Ptrs(), orig->Cuts().Ptrs());
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ASSERT_EQ(loaded->Cuts().MinValues(), orig->Cuts().MinValues());
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ASSERT_EQ(loaded->Cuts().Values(), orig->Cuts().Values());
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ASSERT_EQ(loaded->base_rowid, orig->base_rowid);
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ASSERT_EQ(loaded->row_stride, orig->row_stride);
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ASSERT_EQ(loaded->gidx_buffer.HostVector(), orig->gidx_buffer.HostVector());
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}
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}
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} // anonymous namespace
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TEST(EllpackPageRawFormat, DiskIO) {
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TestEllpackPageRawFormat<DefaultFormatStreamPolicy<EllpackPage, EllpackFormatPolicy>>();
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}
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TEST(EllpackPageRawFormat, HostIO) {
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TestEllpackPageRawFormat<EllpackFormatStreamPolicy<EllpackPage, EllpackFormatPolicy>>();
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}
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} // namespace xgboost::data
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