Benchmarking simple insert operations (batched)

tests/Doctrine/Performance/Hydration/SimpleInsertPerformanceTest.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Doctrine\Performance\Hydration;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\Query;
+use Doctrine\Performance\EntityManagerFactory;
+use Doctrine\Tests\Mocks\HydratorMockStatement;
+use Doctrine\Tests\Models\CMS;
+use PhpBench\Benchmark\Metadata\Annotations\BeforeMethods;
+
+/**
+ * @BeforeMethods({"init"})
+ */
+final class SimpleInsertPerformanceTest
+{
+    /**
+     * @var EntityManagerInterface
+     */
+    private $entityManager;
+
+    public function init()
+    {
+        $this->entityManager = EntityManagerFactory::getEntityManager([
+            CMS\CmsUser::class,
+            CMS\CmsPhonenumber::class,
+            CMS\CmsAddress::class,
+            CMS\CmsEmail::class,
+            CMS\CmsGroup::class,
+            CMS\CmsTag::class,
+            CMS\CmsArticle::class,
+            CMS\CmsComment::class,
+        ]);
+    }
+
+    public function benchHydration()
+    {
+        $batchSize = 20;
+
+        for ($i = 1; $i <= 10000; ++$i) {
+            $user           = new CMS\CmsUser;
+            $user->status   = 'user';
+            $user->username = 'user' . $i;
+            $user->name     = 'Mr.Smith-' . $i;
+
+            $this->entityManager->persist($user);
+
+            if (! ($i % $batchSize)) {
+                $this->entityManager->flush();
+                $this->entityManager->clear();
+            }
+        }
+    }
+}