Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/zendframework/zend-stdlib/benchmark/RemovePriorityQueue.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace ZendBench\Stdlib;
+
+use Athletic\AthleticEvent;
+use Zend\Stdlib\FastPriorityQueue;
+use Zend\Stdlib\PriorityQueue;
+
+class RemovePriorityQueue extends AthleticEvent
+{
+    public function classSetUp()
+    {
+        $this->fastPriorityQueue = new FastPriorityQueue();
+        $this->priorityQueue     = new PriorityQueue();
+
+        for ($i = 0; $i < 1000; $i += 1) {
+            $priority = rand(1, 100);
+            $this->fastPriorityQueue->insert('foo', $priority);
+            $this->priorityQueue->insert('foo', $priority);
+        }
+    }
+
+    /**
+     * @iterations 1000
+     */
+    public function removePriorityQueue()
+    {
+        $this->priorityQueue->remove('foo');
+    }
+
+    /**
+     * @iterations 1000
+     */
+    public function removeFastPriorityQueue()
+    {
+        $this->fastPriorityQueue->remove('foo');
+    }
+}