50 lines
1.8 KiB
Plaintext
50 lines
1.8 KiB
Plaintext
/**
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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 <xgboost/data.h>
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#include "../../../src/common/io.h" // for PrivateMmapConstStream, AlignedResourceReadStream...
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#include "../../../src/data/ellpack_page.cuh"
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#include "../../../src/data/sparse_page_source.h"
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#include "../../../src/tree/param.h" // 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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TEST(EllpackPageRawFormat, IO) {
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Context ctx{MakeCUDACtx(0)};
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auto param = BatchParam{256, tree::TrainParam::DftSparseThreshold()};
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std::unique_ptr<SparsePageFormat<EllpackPage>> format{CreatePageFormat<EllpackPage>("raw")};
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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::size_t n_bytes{0};
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{
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auto fo = std::make_unique<common::AlignedFileWriteStream>(StringView{path}, "wb");
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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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std::unique_ptr<common::AlignedResourceReadStream> fi{
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std::make_unique<common::PrivateMmapConstStream>(path.c_str(), 0, n_bytes)};
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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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} // namespace xgboost::data
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