From 09a841f810f19593059bf7a658c40fb2c3743bd0 Mon Sep 17 00:00:00 2001
From: tqchen <tianqi.tchen@gmail.com>
Date: Fri, 15 May 2015 23:54:34 -0700
Subject: [PATCH] auto turn on optimization

---
 src/tree/param.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tree/param.h b/src/tree/param.h
index 118540119..1bffcb32c 100644
--- a/src/tree/param.h
+++ b/src/tree/param.h
@@ -72,7 +72,7 @@ struct TrainParam{
     parallel_option = 2;
     sketch_eps = 0.1f;
     sketch_ratio = 2.0f;
-    cache_opt = 0;
+    cache_opt = 1;
   }
   /*! 
    * \brief set parameters from outside