Benchmark using preloaded classes

README.md

@@ -25,9 +25,9 @@ Finally use [blackfire](https://blackfire.io/) to profile the request:
 
 | Metric                                            | Value        |
 |---------------------------------------------------|--------------|
-| Requests per second                               | 1523.61#/sec |
-| Time per request                                  | 6.563ms      |
-| Time per request (across all concurrent requests) | 0.656ms      |
+| Requests per second                               | 1404.62#/sec |
+| Time per request                                  | 7.119ms      |
+| Time per request (across all concurrent requests) | 0.712ms      |
 
 > Benchmarks run with:
 >

bin/react.php

@@ -3,14 +3,28 @@
 use Symfony\Component\HttpFoundation\Request;
 
 $loader = require __DIR__.'/../app/autoload.php';
-include_once __DIR__.'/../var/bootstrap.php.cache';
 
+// "optional" dependencies that weren't included
+$toIgnore = array(
+    'Doctrine\Bundle\DoctrineCacheBundle\Acl\Model\AclCache',
+);
+// Preloading all classes
+foreach ($loader->getClassMap() as $fqcn => $path) {
+    $isTest = (1 === preg_match('/Test/', $fqcn));
+    $isFixture = (1 === preg_match('/Fixture/', $fqcn));
+    $isIgnored = (true === in_array($fqcn, $toIgnore, true));
+    if ($isIgnored || $isTest || $isFixture) {
+        // Skipping test classes as PHPUnit will be missing, resulting in Fatal error
+        continue;
+    }
+    if (false === class_exists($fqcn) && false === interface_exists($fqcn) && false === trait_exists($fqcn)) {
+        $loader->loadClass($fqcn);
+    }
+}
 
 $kernel = new AppKernel('prod', false);
 $kernel->loadClassCache();
 
-$i = 0;
-
 $app = function ($request, $response) use ($kernel) {
     $sfRequest = Request::create(
         $request->getPath(),