[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/src/tree/updater_fast_hist.cc
+++ b/src/tree/updater_fast_hist.cc
@@ -80,7 +80,7 @@ class FastHistMaker: public TreeUpdater {
  }

  bool UpdatePredictionCache(const DMatrix* data,
-                             std::vector<bst_float>* out_preds) const override {
+                             std::vector<bst_float>* out_preds) override {
    if (!builder_ || param.subsample < 1.0f) {
      return false;
    } else {