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sync Jun 5

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amdsc21
2023-06-07 02:43:21 +02:00
parent 9ee1852d4e 0cba2cdbb0
commit af8845405a
56 changed files with 531 additions and 2106 deletions
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131
tests/cpp/predictor/test_cpu_predictor.cc
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@@ -17,13 +17,15 @@
#include "test_predictor.h"
namespace xgboost {
TEST(CpuPredictor, Basic) {
namespace {
void TestBasic(DMatrix* dmat) {
auto lparam = CreateEmptyGenericParam(GPUIDX);
std::unique_ptr<Predictor> cpu_predictor =
std::unique_ptr<Predictor>(Predictor::Create("cpu_predictor", &lparam));
size_t constexpr kRows = 5;
size_t constexpr kCols = 5;
size_t const kRows = dmat->Info().num_row_;
size_t const kCols = dmat->Info().num_col_;
LearnerModelParam mparam{MakeMP(kCols, .0, 1)};
@@ -31,12 +33,10 @@ TEST(CpuPredictor, Basic) {
ctx.UpdateAllowUnknown(Args{});
gbm::GBTreeModel model = CreateTestModel(&mparam, &ctx);
auto dmat = RandomDataGenerator(kRows, kCols, 0).GenerateDMatrix();
// Test predict batch
PredictionCacheEntry out_predictions;
cpu_predictor->InitOutPredictions(dmat->Info(), &out_predictions.predictions, model);
cpu_predictor->PredictBatch(dmat.get(), &out_predictions, model, 0);
cpu_predictor->PredictBatch(dmat, &out_predictions, model, 0);
std::vector<float>& out_predictions_h = out_predictions.predictions.HostVector();
for (size_t i = 0; i < out_predictions.predictions.Size(); i++) {
@@ -44,26 +44,32 @@ TEST(CpuPredictor, Basic) {
}
// Test predict instance
auto const &batch = *dmat->GetBatches<xgboost::SparsePage>().begin();
auto const& batch = *dmat->GetBatches<xgboost::SparsePage>().begin();
auto page = batch.GetView();
for (size_t i = 0; i < batch.Size(); i++) {
std::vector<float> instance_out_predictions;
cpu_predictor->PredictInstance(page[i], &instance_out_predictions, model);
cpu_predictor->PredictInstance(page[i], &instance_out_predictions, model, 0,
dmat->Info().IsColumnSplit());
ASSERT_EQ(instance_out_predictions[0], 1.5);
}
// Test predict leaf
HostDeviceVector<float> leaf_out_predictions;
cpu_predictor->PredictLeaf(dmat.get(), &leaf_out_predictions, model);
cpu_predictor->PredictLeaf(dmat, &leaf_out_predictions, model);
auto const& h_leaf_out_predictions = leaf_out_predictions.ConstHostVector();
for (auto v : h_leaf_out_predictions) {
ASSERT_EQ(v, 0);
}
if (dmat->Info().IsColumnSplit()) {
// Predict contribution is not supported for column split.
return;
}
// Test predict contribution
HostDeviceVector<float> out_contribution_hdv;
auto& out_contribution = out_contribution_hdv.HostVector();
cpu_predictor->PredictContribution(dmat.get(), &out_contribution_hdv, model);
cpu_predictor->PredictContribution(dmat, &out_contribution_hdv, model);
ASSERT_EQ(out_contribution.size(), kRows * (kCols + 1));
for (size_t i = 0; i < out_contribution.size(); ++i) {
auto const& contri = out_contribution[i];
@@ -76,8 +82,7 @@ TEST(CpuPredictor, Basic) {
}
}
// Test predict contribution (approximate method)
cpu_predictor->PredictContribution(dmat.get(), &out_contribution_hdv, model,
0, nullptr, true);
cpu_predictor->PredictContribution(dmat, &out_contribution_hdv, model, 0, nullptr, true);
for (size_t i = 0; i < out_contribution.size(); ++i) {
auto const& contri = out_contribution[i];
// shift 1 for bias, as test tree is a decision dump, only global bias is
@@ -89,41 +94,32 @@ TEST(CpuPredictor, Basic) {
}
}
}
} // anonymous namespace
namespace {
void TestColumnSplitPredictBatch() {
TEST(CpuPredictor, Basic) {
size_t constexpr kRows = 5;
size_t constexpr kCols = 5;
auto dmat = RandomDataGenerator(kRows, kCols, 0).GenerateDMatrix();
TestBasic(dmat.get());
}
namespace {
void TestColumnSplit() {
size_t constexpr kRows = 5;
size_t constexpr kCols = 5;
auto dmat = RandomDataGenerator(kRows, kCols, 0).GenerateDMatrix();
auto const world_size = collective::GetWorldSize();
auto const rank = collective::GetRank();
dmat = std::unique_ptr<DMatrix>{dmat->SliceCol(world_size, rank)};
auto lparam = CreateEmptyGenericParam(GPUIDX);
std::unique_ptr<Predictor> cpu_predictor =
std::unique_ptr<Predictor>(Predictor::Create("cpu_predictor", &lparam));
LearnerModelParam mparam{MakeMP(kCols, .0, 1)};
Context ctx;
ctx.UpdateAllowUnknown(Args{});
gbm::GBTreeModel model = CreateTestModel(&mparam, &ctx);
// Test predict batch
PredictionCacheEntry out_predictions;
cpu_predictor->InitOutPredictions(dmat->Info(), &out_predictions.predictions, model);
auto sliced = std::unique_ptr<DMatrix>{dmat->SliceCol(world_size, rank)};
cpu_predictor->PredictBatch(sliced.get(), &out_predictions, model, 0);
std::vector<float>& out_predictions_h = out_predictions.predictions.HostVector();
for (size_t i = 0; i < out_predictions.predictions.Size(); i++) {
ASSERT_EQ(out_predictions_h[i], 1.5);
}
TestBasic(dmat.get());
}
} // anonymous namespace
TEST(CpuPredictor, ColumnSplit) {
TEST(CpuPredictor, ColumnSplitBasic) {
auto constexpr kWorldSize = 2;
RunWithInMemoryCommunicator(kWorldSize, TestColumnSplitPredictBatch);
RunWithInMemoryCommunicator(kWorldSize, TestColumnSplit);
}
TEST(CpuPredictor, IterationRange) {
@@ -133,69 +129,8 @@ TEST(CpuPredictor, IterationRange) {
TEST(CpuPredictor, ExternalMemory) {
size_t constexpr kPageSize = 64, kEntriesPerCol = 3;
size_t constexpr kEntries = kPageSize * kEntriesPerCol * 2;
std::unique_ptr<DMatrix> dmat = CreateSparsePageDMatrix(kEntries);
auto lparam = CreateEmptyGenericParam(GPUIDX);
std::unique_ptr<Predictor> cpu_predictor =
std::unique_ptr<Predictor>(Predictor::Create("cpu_predictor", &lparam));
LearnerModelParam mparam{MakeMP(dmat->Info().num_col_, .0, 1)};
Context ctx;
ctx.UpdateAllowUnknown(Args{});
gbm::GBTreeModel model = CreateTestModel(&mparam, &ctx);
// Test predict batch
PredictionCacheEntry out_predictions;
cpu_predictor->InitOutPredictions(dmat->Info(), &out_predictions.predictions, model);
cpu_predictor->PredictBatch(dmat.get(), &out_predictions, model, 0);
std::vector<float> &out_predictions_h = out_predictions.predictions.HostVector();
ASSERT_EQ(out_predictions.predictions.Size(), dmat->Info().num_row_);
for (const auto& v : out_predictions_h) {
ASSERT_EQ(v, 1.5);
}
// Test predict leaf
HostDeviceVector<float> leaf_out_predictions;
cpu_predictor->PredictLeaf(dmat.get(), &leaf_out_predictions, model);
auto const& h_leaf_out_predictions = leaf_out_predictions.ConstHostVector();
ASSERT_EQ(h_leaf_out_predictions.size(), dmat->Info().num_row_);
for (const auto& v : h_leaf_out_predictions) {
ASSERT_EQ(v, 0);
}
// Test predict contribution
HostDeviceVector<float> out_contribution_hdv;
auto& out_contribution = out_contribution_hdv.HostVector();
cpu_predictor->PredictContribution(dmat.get(), &out_contribution_hdv, model);
ASSERT_EQ(out_contribution.size(), dmat->Info().num_row_ * (dmat->Info().num_col_ + 1));
for (size_t i = 0; i < out_contribution.size(); ++i) {
auto const& contri = out_contribution[i];
// shift 1 for bias, as test tree is a decision dump, only global bias is filled with LeafValue().
if ((i + 1) % (dmat->Info().num_col_ + 1) == 0) {
ASSERT_EQ(out_contribution.back(), 1.5f);
} else {
ASSERT_EQ(contri, 0);
}
}
// Test predict contribution (approximate method)
HostDeviceVector<float> out_contribution_approximate_hdv;
auto& out_contribution_approximate = out_contribution_approximate_hdv.HostVector();
cpu_predictor->PredictContribution(
dmat.get(), &out_contribution_approximate_hdv, model, 0, nullptr, true);
ASSERT_EQ(out_contribution_approximate.size(),
dmat->Info().num_row_ * (dmat->Info().num_col_ + 1));
for (size_t i = 0; i < out_contribution.size(); ++i) {
auto const& contri = out_contribution[i];
// shift 1 for bias, as test tree is a decision dump, only global bias is filled with LeafValue().
if ((i + 1) % (dmat->Info().num_col_ + 1) == 0) {
ASSERT_EQ(out_contribution.back(), 1.5f);
} else {
ASSERT_EQ(contri, 0);
}
}
TestBasic(dmat.get());
}
TEST(CpuPredictor, InplacePredict) {