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Use Booster context in DMatrix. (#8896)

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- Pass context from booster to DMatrix.
- Use context instead of integer for `n_threads`.
- Check the consistency configuration for `max_bin`.
- Test for all combinations of initialization options.
This commit is contained in:
Jiaming Yuan
2023-04-28 21:47:14 +08:00
committed by GitHub
parent 1f9a57d17b
commit 08ce495b5d
67 changed files with 1283 additions and 935 deletions
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45
tests/cpp/common/test_hist_util.cc
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@@ -156,6 +156,7 @@ TEST(CutsBuilder, SearchGroupInd) {
}
TEST(HistUtil, DenseCutsCategorical) {
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
int categorical_sizes[] = {2, 6, 8, 12};
int num_bins = 256;
int sizes[] = {25, 100, 1000};
@@ -165,7 +166,7 @@ TEST(HistUtil, DenseCutsCategorical) {
std::vector<float> x_sorted(x);
std::sort(x_sorted.begin(), x_sorted.end());
auto dmat = GetDMatrixFromData(x, n, 1);
HistogramCuts cuts = SketchOnDMatrix(dmat.get(), num_bins, AllThreadsForTest());
HistogramCuts cuts = SketchOnDMatrix(&ctx, dmat.get(), num_bins);
auto cuts_from_sketch = cuts.Values();
EXPECT_LT(cuts.MinValues()[0], x_sorted.front());
EXPECT_GT(cuts_from_sketch.front(), x_sorted.front());
@@ -176,6 +177,7 @@ TEST(HistUtil, DenseCutsCategorical) {
}
TEST(HistUtil, DenseCutsAccuracyTest) {
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
int bin_sizes[] = {2, 16, 256, 512};
int sizes[] = {100};
int num_columns = 5;
@@ -183,7 +185,7 @@ TEST(HistUtil, DenseCutsAccuracyTest) {
auto x = GenerateRandom(num_rows, num_columns);
auto dmat = GetDMatrixFromData(x, num_rows, num_columns);
for (auto num_bins : bin_sizes) {
HistogramCuts cuts = SketchOnDMatrix(dmat.get(), num_bins, AllThreadsForTest());
HistogramCuts cuts = SketchOnDMatrix(&ctx, dmat.get(), num_bins);
ValidateCuts(cuts, dmat.get(), num_bins);
}
}
@@ -193,6 +195,7 @@ TEST(HistUtil, DenseCutsAccuracyTestWeights) {
int bin_sizes[] = {2, 16, 256, 512};
int sizes[] = {100, 1000, 1500};
int num_columns = 5;
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
for (auto num_rows : sizes) {
auto x = GenerateRandom(num_rows, num_columns);
auto dmat = GetDMatrixFromData(x, num_rows, num_columns);
@@ -200,11 +203,11 @@ TEST(HistUtil, DenseCutsAccuracyTestWeights) {
dmat->Info().weights_.HostVector() = w;
for (auto num_bins : bin_sizes) {
{
HistogramCuts cuts = SketchOnDMatrix(dmat.get(), num_bins, AllThreadsForTest(), true);
HistogramCuts cuts = SketchOnDMatrix(&ctx, dmat.get(), num_bins, true);
ValidateCuts(cuts, dmat.get(), num_bins);
}
{
HistogramCuts cuts = SketchOnDMatrix(dmat.get(), num_bins, AllThreadsForTest(), false);
HistogramCuts cuts = SketchOnDMatrix(&ctx, dmat.get(), num_bins, false);
ValidateCuts(cuts, dmat.get(), num_bins);
}
}
@@ -215,6 +218,7 @@ void TestQuantileWithHessian(bool use_sorted) {
int bin_sizes[] = {2, 16, 256, 512};
int sizes[] = {1000, 1500};
int num_columns = 5;
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
for (auto num_rows : sizes) {
auto x = GenerateRandom(num_rows, num_columns);
auto dmat = GetDMatrixFromData(x, num_rows, num_columns);
@@ -225,15 +229,13 @@ void TestQuantileWithHessian(bool use_sorted) {
dmat->Info().weights_.HostVector() = w;
for (auto num_bins : bin_sizes) {
HistogramCuts cuts_hess =
SketchOnDMatrix(dmat.get(), num_bins, AllThreadsForTest(), use_sorted, hessian);
HistogramCuts cuts_hess = SketchOnDMatrix(&ctx, dmat.get(), num_bins, use_sorted, hessian);
for (size_t i = 0; i < w.size(); ++i) {
dmat->Info().weights_.HostVector()[i] = w[i] * hessian[i];
}
ValidateCuts(cuts_hess, dmat.get(), num_bins);
HistogramCuts cuts_wh =
SketchOnDMatrix(dmat.get(), num_bins, AllThreadsForTest(), use_sorted);
HistogramCuts cuts_wh = SketchOnDMatrix(&ctx, dmat.get(), num_bins, use_sorted);
ValidateCuts(cuts_wh, dmat.get(), num_bins);
ASSERT_EQ(cuts_hess.Values().size(), cuts_wh.Values().size());
@@ -255,12 +257,13 @@ TEST(HistUtil, DenseCutsExternalMemory) {
int bin_sizes[] = {2, 16, 256, 512};
int sizes[] = {100, 1000, 1500};
int num_columns = 5;
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
for (auto num_rows : sizes) {
auto x = GenerateRandom(num_rows, num_columns);
dmlc::TemporaryDirectory tmpdir;
auto dmat = GetExternalMemoryDMatrixFromData(x, num_rows, num_columns, tmpdir);
for (auto num_bins : bin_sizes) {
HistogramCuts cuts = SketchOnDMatrix(dmat.get(), num_bins, AllThreadsForTest());
HistogramCuts cuts = SketchOnDMatrix(&ctx, dmat.get(), num_bins);
ValidateCuts(cuts, dmat.get(), num_bins);
}
}
@@ -275,12 +278,12 @@ TEST(HistUtil, IndexBinBound) {
kUint32BinsTypeSize};
size_t constexpr kRows = 100;
size_t constexpr kCols = 10;
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
size_t bin_id = 0;
for (auto max_bin : bin_sizes) {
auto p_fmat = RandomDataGenerator(kRows, kCols, 0).GenerateDMatrix();
GHistIndexMatrix hmat(p_fmat.get(), max_bin, 0.5, false, AllThreadsForTest());
GHistIndexMatrix hmat(&ctx, p_fmat.get(), max_bin, 0.5, false);
EXPECT_EQ(hmat.index.Size(), kRows*kCols);
EXPECT_EQ(expected_bin_type_sizes[bin_id++], hmat.index.GetBinTypeSize());
}
@@ -300,10 +303,11 @@ TEST(HistUtil, IndexBinData) {
static_cast<uint64_t>(std::numeric_limits<uint16_t>::max()) + 2 };
size_t constexpr kRows = 100;
size_t constexpr kCols = 10;
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
for (auto max_bin : kBinSizes) {
auto p_fmat = RandomDataGenerator(kRows, kCols, 0).GenerateDMatrix();
GHistIndexMatrix hmat(p_fmat.get(), max_bin, 0.5, false, AllThreadsForTest());
GHistIndexMatrix hmat(&ctx, p_fmat.get(), max_bin, 0.5, false);
uint32_t const* offsets = hmat.index.Offset();
EXPECT_EQ(hmat.index.Size(), kRows*kCols);
switch (max_bin) {
@@ -327,10 +331,10 @@ void TestSketchFromWeights(bool with_group) {
size_t constexpr kRows = 300, kCols = 20, kBins = 256;
size_t constexpr kGroups = 10;
auto m = RandomDataGenerator{kRows, kCols, 0}.Device(0).GenerateDMatrix();
common::HistogramCuts cuts = SketchOnDMatrix(m.get(), kBins, AllThreadsForTest());
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
common::HistogramCuts cuts = SketchOnDMatrix(&ctx, m.get(), kBins);
MetaInfo info;
Context ctx;
auto& h_weights = info.weights_.HostVector();
if (with_group) {
h_weights.resize(kGroups);
@@ -363,7 +367,7 @@ void TestSketchFromWeights(bool with_group) {
if (with_group) {
m->Info().weights_ = decltype(m->Info().weights_)(); // remove weight
HistogramCuts non_weighted = SketchOnDMatrix(m.get(), kBins, AllThreadsForTest());
HistogramCuts non_weighted = SketchOnDMatrix(&ctx, m.get(), kBins);
for (size_t i = 0; i < cuts.Values().size(); ++i) {
EXPECT_EQ(cuts.Values()[i], non_weighted.Values()[i]);
}
@@ -382,7 +386,7 @@ void TestSketchFromWeights(bool with_group) {
for (size_t i = 0; i < h_weights.size(); ++i) {
h_weights[i] = static_cast<float>(i + 1) / static_cast<float>(kGroups);
}
HistogramCuts weighted = SketchOnDMatrix(m.get(), kBins, AllThreadsForTest());
HistogramCuts weighted = SketchOnDMatrix(&ctx, m.get(), kBins);
ValidateCuts(weighted, m.get(), kBins);
}
}
@@ -393,11 +397,12 @@ TEST(HistUtil, SketchFromWeights) {
}
TEST(HistUtil, SketchCategoricalFeatures) {
TestCategoricalSketch(1000, 256, 32, false, [](DMatrix* p_fmat, int32_t num_bins) {
return SketchOnDMatrix(p_fmat, num_bins, AllThreadsForTest());
auto ctx = CreateEmptyGenericParam(Context::kCpuId);
TestCategoricalSketch(1000, 256, 32, false, [&ctx](DMatrix* p_fmat, int32_t num_bins) {
return SketchOnDMatrix(&ctx, p_fmat, num_bins);
});
TestCategoricalSketch(1000, 256, 32, true, [](DMatrix* p_fmat, int32_t num_bins) {
return SketchOnDMatrix(p_fmat, num_bins, AllThreadsForTest());
TestCategoricalSketch(1000, 256, 32, true, [&ctx](DMatrix* p_fmat, int32_t num_bins) {
return SketchOnDMatrix(&ctx, p_fmat, num_bins);
});
}
} // namespace common