[Breaking] Remove num roots. (#5059)

2019-12-05 21:58:43 +08:00
parent f3d8536702
commit 64af1ecf86
23 changed files with 87 additions and 189 deletions
--- a/src/predictor/gpu_predictor.cu
+++ b/src/predictor/gpu_predictor.cu
@@ -381,8 +381,7 @@ class GPUPredictor : public xgboost::Predictor {

  void PredictInstance(const SparsePage::Inst& inst,
                       std::vector<bst_float>* out_preds,
-                       const gbm::GBTreeModel& model, unsigned ntree_limit,
-                       unsigned root_index) override {
+                       const gbm::GBTreeModel& model, unsigned ntree_limit) override {
    LOG(FATAL) << "Internal error: " << __func__
               << " is not implemented in GPU Predictor.";
  }