Clang-tidy static analysis (#3222)
* Clang-tidy static analysis * Modernise checks * Google coding standard checks * Identifier renaming according to Google style
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@@ -24,7 +24,7 @@ class CPUPredictor : public Predictor {
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for (size_t i = tree_begin; i < tree_end; ++i) {
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if (tree_info[i] == bst_group) {
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int tid = trees[i]->GetLeafIndex(*p_feats, root_index);
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psum += (*trees[i])[tid].leaf_value();
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psum += (*trees[i])[tid].LeafValue();
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}
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}
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p_feats->Drop(inst);
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@@ -45,35 +45,35 @@ class CPUPredictor : public Predictor {
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std::vector<bst_float>* out_preds,
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const gbm::GBTreeModel& model, int num_group,
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unsigned tree_begin, unsigned tree_end) {
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const MetaInfo& info = p_fmat->info();
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const MetaInfo& info = p_fmat->Info();
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const int nthread = omp_get_max_threads();
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InitThreadTemp(nthread, model.param.num_feature);
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std::vector<bst_float>& preds = *out_preds;
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CHECK_EQ(model.param.size_leaf_vector, 0)
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<< "size_leaf_vector is enforced to 0 so far";
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CHECK_EQ(preds.size(), p_fmat->info().num_row * num_group);
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CHECK_EQ(preds.size(), p_fmat->Info().num_row_ * num_group);
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// start collecting the prediction
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dmlc::DataIter<RowBatch>* iter = p_fmat->RowIterator();
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iter->BeforeFirst();
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while (iter->Next()) {
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const RowBatch& batch = iter->Value();
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// parallel over local batch
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const int K = 8;
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const bst_omp_uint nsize = static_cast<bst_omp_uint>(batch.size);
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const bst_omp_uint rest = nsize % K;
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constexpr int kUnroll = 8;
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const auto nsize = static_cast<bst_omp_uint>(batch.size);
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const bst_omp_uint rest = nsize % kUnroll;
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#pragma omp parallel for schedule(static)
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for (bst_omp_uint i = 0; i < nsize - rest; i += K) {
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for (bst_omp_uint i = 0; i < nsize - rest; i += kUnroll) {
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const int tid = omp_get_thread_num();
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RegTree::FVec& feats = thread_temp[tid];
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int64_t ridx[K];
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RowBatch::Inst inst[K];
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for (int k = 0; k < K; ++k) {
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int64_t ridx[kUnroll];
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RowBatch::Inst inst[kUnroll];
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for (int k = 0; k < kUnroll; ++k) {
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ridx[k] = static_cast<int64_t>(batch.base_rowid + i + k);
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}
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for (int k = 0; k < K; ++k) {
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for (int k = 0; k < kUnroll; ++k) {
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inst[k] = batch[i + k];
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}
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for (int k = 0; k < K; ++k) {
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for (int k = 0; k < kUnroll; ++k) {
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for (int gid = 0; gid < num_group; ++gid) {
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const size_t offset = ridx[k] * num_group + gid;
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preds[offset] += this->PredValue(
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@@ -84,7 +84,7 @@ class CPUPredictor : public Predictor {
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}
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for (bst_omp_uint i = nsize - rest; i < nsize; ++i) {
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RegTree::FVec& feats = thread_temp[0];
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const int64_t ridx = static_cast<int64_t>(batch.base_rowid + i);
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const auto ridx = static_cast<int64_t>(batch.base_rowid + i);
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const RowBatch::Inst inst = batch[i];
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for (int gid = 0; gid < num_group; ++gid) {
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const size_t offset = ridx * num_group + gid;
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@@ -113,10 +113,10 @@ class CPUPredictor : public Predictor {
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auto it = cache_.find(dmat);
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if (it != cache_.end()) {
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HostDeviceVector<bst_float>& y = it->second.predictions;
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if (y.size() != 0) {
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out_preds->resize(y.size());
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std::copy(y.data_h().begin(), y.data_h().end(),
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out_preds->data_h().begin());
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if (y.Size() != 0) {
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out_preds->Resize(y.Size());
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std::copy(y.HostVector().begin(), y.HostVector().end(),
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out_preds->HostVector().begin());
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return true;
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}
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}
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@@ -127,12 +127,12 @@ class CPUPredictor : public Predictor {
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void InitOutPredictions(const MetaInfo& info,
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HostDeviceVector<bst_float>* out_preds,
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const gbm::GBTreeModel& model) const {
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size_t n = model.param.num_output_group * info.num_row;
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const std::vector<bst_float>& base_margin = info.base_margin;
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out_preds->resize(n);
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std::vector<bst_float>& out_preds_h = out_preds->data_h();
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size_t n = model.param.num_output_group * info.num_row_;
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const std::vector<bst_float>& base_margin = info.base_margin_;
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out_preds->Resize(n);
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std::vector<bst_float>& out_preds_h = out_preds->HostVector();
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if (base_margin.size() != 0) {
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CHECK_EQ(out_preds->size(), n);
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CHECK_EQ(out_preds->Size(), n);
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std::copy(base_margin.begin(), base_margin.end(), out_preds_h.begin());
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} else {
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std::fill(out_preds_h.begin(), out_preds_h.end(), model.base_margin);
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@@ -147,14 +147,14 @@ class CPUPredictor : public Predictor {
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return;
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}
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this->InitOutPredictions(dmat->info(), out_preds, model);
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this->InitOutPredictions(dmat->Info(), out_preds, model);
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ntree_limit *= model.param.num_output_group;
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if (ntree_limit == 0 || ntree_limit > model.trees.size()) {
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ntree_limit = static_cast<unsigned>(model.trees.size());
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}
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this->PredLoopInternal(dmat, &out_preds->data_h(), model,
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this->PredLoopInternal(dmat, &out_preds->HostVector(), model,
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tree_begin, ntree_limit);
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}
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@@ -167,9 +167,9 @@ class CPUPredictor : public Predictor {
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for (auto& kv : cache_) {
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PredictionCacheEntry& e = kv.second;
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if (e.predictions.size() == 0) {
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InitOutPredictions(e.data->info(), &(e.predictions), model);
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PredLoopInternal(e.data.get(), &(e.predictions.data_h()), model, 0,
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if (e.predictions.Size() == 0) {
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InitOutPredictions(e.data->Info(), &(e.predictions), model);
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PredLoopInternal(e.data.get(), &(e.predictions.HostVector()), model, 0,
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model.trees.size());
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} else if (model.param.num_output_group == 1 && updaters->size() > 0 &&
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num_new_trees == 1 &&
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@@ -177,7 +177,7 @@ class CPUPredictor : public Predictor {
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&(e.predictions))) {
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{} // do nothing
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} else {
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PredLoopInternal(e.data.get(), &(e.predictions.data_h()), model, old_ntree,
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PredLoopInternal(e.data.get(), &(e.predictions.HostVector()), model, old_ntree,
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model.trees.size());
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}
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}
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@@ -209,25 +209,25 @@ class CPUPredictor : public Predictor {
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const gbm::GBTreeModel& model, unsigned ntree_limit) override {
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const int nthread = omp_get_max_threads();
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InitThreadTemp(nthread, model.param.num_feature);
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const MetaInfo& info = p_fmat->info();
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const MetaInfo& info = p_fmat->Info();
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// number of valid trees
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ntree_limit *= model.param.num_output_group;
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if (ntree_limit == 0 || ntree_limit > model.trees.size()) {
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ntree_limit = static_cast<unsigned>(model.trees.size());
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}
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std::vector<bst_float>& preds = *out_preds;
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preds.resize(info.num_row * ntree_limit);
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preds.resize(info.num_row_ * ntree_limit);
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// start collecting the prediction
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dmlc::DataIter<RowBatch>* iter = p_fmat->RowIterator();
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iter->BeforeFirst();
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while (iter->Next()) {
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const RowBatch& batch = iter->Value();
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// parallel over local batch
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const bst_omp_uint nsize = static_cast<bst_omp_uint>(batch.size);
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const auto nsize = static_cast<bst_omp_uint>(batch.size);
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#pragma omp parallel for schedule(static)
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for (bst_omp_uint i = 0; i < nsize; ++i) {
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const int tid = omp_get_thread_num();
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size_t ridx = static_cast<size_t>(batch.base_rowid + i);
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auto ridx = static_cast<size_t>(batch.base_rowid + i);
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RegTree::FVec& feats = thread_temp[tid];
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feats.Fill(batch[i]);
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for (unsigned j = 0; j < ntree_limit; ++j) {
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@@ -246,7 +246,7 @@ class CPUPredictor : public Predictor {
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unsigned condition_feature) override {
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const int nthread = omp_get_max_threads();
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InitThreadTemp(nthread, model.param.num_feature);
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const MetaInfo& info = p_fmat->info();
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const MetaInfo& info = p_fmat->Info();
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// number of valid trees
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ntree_limit *= model.param.num_output_group;
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if (ntree_limit == 0 || ntree_limit > model.trees.size()) {
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@@ -256,7 +256,7 @@ class CPUPredictor : public Predictor {
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size_t ncolumns = model.param.num_feature + 1;
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// allocate space for (number of features + bias) times the number of rows
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std::vector<bst_float>& contribs = *out_contribs;
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contribs.resize(info.num_row * ncolumns * model.param.num_output_group);
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contribs.resize(info.num_row_ * ncolumns * model.param.num_output_group);
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// make sure contributions is zeroed, we could be reusing a previously
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// allocated one
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std::fill(contribs.begin(), contribs.end(), 0);
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@@ -267,15 +267,15 @@ class CPUPredictor : public Predictor {
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}
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// start collecting the contributions
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dmlc::DataIter<RowBatch>* iter = p_fmat->RowIterator();
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const std::vector<bst_float>& base_margin = info.base_margin;
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const std::vector<bst_float>& base_margin = info.base_margin_;
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iter->BeforeFirst();
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while (iter->Next()) {
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const RowBatch& batch = iter->Value();
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// parallel over local batch
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const bst_omp_uint nsize = static_cast<bst_omp_uint>(batch.size);
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const auto nsize = static_cast<bst_omp_uint>(batch.size);
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#pragma omp parallel for schedule(static)
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for (bst_omp_uint i = 0; i < nsize; ++i) {
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size_t row_idx = static_cast<size_t>(batch.base_rowid + i);
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auto row_idx = static_cast<size_t>(batch.base_rowid + i);
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unsigned root_id = info.GetRoot(row_idx);
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RegTree::FVec& feats = thread_temp[omp_get_thread_num()];
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// loop over all classes
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@@ -310,7 +310,7 @@ class CPUPredictor : public Predictor {
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void PredictInteractionContributions(DMatrix* p_fmat, std::vector<bst_float>* out_contribs,
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const gbm::GBTreeModel& model, unsigned ntree_limit,
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bool approximate) override {
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const MetaInfo& info = p_fmat->info();
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const MetaInfo& info = p_fmat->Info();
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const int ngroup = model.param.num_output_group;
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size_t ncolumns = model.param.num_feature;
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const unsigned row_chunk = ngroup * (ncolumns + 1) * (ncolumns + 1);
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@@ -319,10 +319,10 @@ class CPUPredictor : public Predictor {
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// allocate space for (number of features^2) times the number of rows and tmp off/on contribs
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std::vector<bst_float>& contribs = *out_contribs;
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contribs.resize(info.num_row * ngroup * (ncolumns + 1) * (ncolumns + 1));
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std::vector<bst_float> contribs_off(info.num_row * ngroup * (ncolumns + 1));
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std::vector<bst_float> contribs_on(info.num_row * ngroup * (ncolumns + 1));
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std::vector<bst_float> contribs_diag(info.num_row * ngroup * (ncolumns + 1));
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contribs.resize(info.num_row_ * ngroup * (ncolumns + 1) * (ncolumns + 1));
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std::vector<bst_float> contribs_off(info.num_row_ * ngroup * (ncolumns + 1));
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std::vector<bst_float> contribs_on(info.num_row_ * ngroup * (ncolumns + 1));
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std::vector<bst_float> contribs_diag(info.num_row_ * ngroup * (ncolumns + 1));
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// Compute the difference in effects when conditioning on each of the features on and off
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// see: Axiomatic characterizations of probabilistic and
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@@ -332,7 +332,7 @@ class CPUPredictor : public Predictor {
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PredictContribution(p_fmat, &contribs_off, model, ntree_limit, approximate, -1, i);
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PredictContribution(p_fmat, &contribs_on, model, ntree_limit, approximate, 1, i);
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for (size_t j = 0; j < info.num_row; ++j) {
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for (size_t j = 0; j < info.num_row_; ++j) {
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for (int l = 0; l < ngroup; ++l) {
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const unsigned o_offset = j * row_chunk + l * mrow_chunk + i * (ncolumns + 1);
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const unsigned c_offset = j * crow_chunk + l * (ncolumns + 1);
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