Added enhanced test-memory.php, originally from react/react

reactphp · WyriHaximus · Jul 26, 2017 · Nov 13, 2016 · Nov 13, 2016 · Nov 14, 2016
commit 480228fe16462a0b66d9e18ca5f66a5838c0ccc6
diff --git a/examples/test-memory.php b/examples/test-memory.php
@@ -0,0 +1,54 @@
+<?php
+
+use React\EventLoop\Factory;
+use React\EventLoop\Timer\TimerInterface;
+
+require __DIR__.'/vendor/autoload.php';
+
+if (isset($argv[2]) && class_exists('React\EventLoop\\' . $argv[2] . 'Loop')) {
+    $class = 'React\EventLoop\\' . $argv[2] . 'Loop';
+    $loop = new $class();
+} else {
+    $loop = Factory::create();
+}
+
+$i = 0;
+
+if (isset($argv[1]) && 5 < (int)$argv[1]) {
+    $loop->addTimer((int)$argv[1], function (TimerInterface $timer) {
+        $timer->getLoop()->stop();
+    });
+
+}
+
+$loop->addPeriodicTimer(0.001, function () use (&$i, $loop) {
+    $i++;
+
+    $loop->addPeriodicTimer(1, function (TimerInterface $timer) {
+        $timer->cancel();
+    });
+});
+
+$loop->addPeriodicTimer(2, function () use (&$i) {
+    $kmem = round(memory_get_usage() / 1024);
+    $kmemReal = round(memory_get_usage(true) / 1024);
+    echo "Runs:\t\t\t$i\n";
+    echo "Memory (internal):\t$kmem KiB\n";
+    echo "Memory (real):\t\t$kmemReal KiB\n";
+    echo str_repeat('-', 50), "\n";
+});
+
+echo "Loop\t\t\t", get_class($loop), "\n";
+echo "Time\t\t\t", date('r'), "\n";
+
+echo str_repeat('-', 50), "\n";
+
+$beginTime = time();
+$loop->run();
+$endTime = time();
+$timeTaken = $endTime - $beginTime;
+
+echo "Loop\t\t\t", get_class($loop), "\n";
+echo "Time\t\t\t", date('r'), "\n";
+echo "Time taken\t\t", $timeTaken, " seconds\n";
+echo "Runs per second\t\t", round($i / $timeTaken), "\n";