Update benchmarks.

Author: drupol

benchmarks/AbstractBench.php

@@ -11,6 +11,6 @@ abstract class AbstractBench
      */
     public function getData()
     {
-        return \range(1, 1000);
+        return \range(1, 100);
     }
 }

benchmarks/DrupolPhpTreeBench.php

@@ -30,12 +30,12 @@ public function initObject()
      * @Iterations(5)
      * @Warmup(10)
      */
-    public function benchHash()
+    public function benchTreeAdd()
     {
-        $this->tree = new ValueNode();
+        $this->tree = new ValueNode('root', 2);
 
         foreach ($this->getData() as $value) {
-            $this->tree->add(new ValueNode($value));
+            $this->tree->add(new ValueNode($value, 2));
         }
     }
 }