[GPU Plugin] Fast histogram speed improvements. Updated benchmarks. (#2258)

2017-05-09 04:21:38 +12:00
parent 98ea461532
commit 6bf968efe6
12 changed files with 433 additions and 241 deletions
--- a/include/xgboost/tree_updater.h
+++ b/include/xgboost/tree_updater.h
@@ -57,7 +57,7 @@ class TreeUpdater {
   *         updated by the time this function returns.
   */
  virtual bool UpdatePredictionCache(const DMatrix* data,
-                                     std::vector<bst_float>* out_preds) const {
+                                     std::vector<bst_float>* out_preds) {
    return false;
  }
  /*!