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

examples/95-benchmark-memory.php

@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * Run the script indefinitely seconds with the loop from the factory and report every 2 seconds:
+ * php test-memory.php
+ * Run the script for 30 seconds with the stream_select loop and report every 10 seconds:
+ * php test-memory.php -t 30 -l StreamSelect -r 10
+ */
+
+use React\EventLoop\Factory;
+use React\EventLoop\LoopInterface;
+use React\EventLoop\Timer\TimerInterface;
+
+require __DIR__ . '/../vendor/autoload.php';
+
+$args = getopt('t:l:r:');
+$t  = isset($args['t']) ? (int)$args['t'] : 0;
+$loop = isset($args['l']) && class_exists('React\EventLoop\\' . $args['l'] . 'Loop') ? 'React\EventLoop\\' . $args['l'] . 'Loop' : Factory::create();
+
+if (!($loop instanceof LoopInterface)) {
+    $loop = new $loop();
+}
+
+$r = isset($args['r']) ? (int)$args['r'] : 2;
+
+$runs = 0;
+
+if (5 < $t) {
+    $loop->addTimer($t, function (TimerInterface $timer) {
+        $timer->getLoop()->stop();
+    });
+
+}
+
+$loop->addPeriodicTimer(0.001, function () use (&$runs, $loop) {
+    $runs++;
+
+    $loop->addPeriodicTimer(1, function (TimerInterface $timer) {
+        $timer->cancel();
+    });
+});
+
+$loop->addPeriodicTimer($r, function () use (&$runs) {
+    $kmem = round(memory_get_usage() / 1024);
+    $kmemReal = round(memory_get_usage(true) / 1024);
+    echo "Runs:\t\t\t$runs\n";
+    echo "Memory (internal):\t$kmem KiB\n";
+    echo "Memory (real):\t\t$kmemReal KiB\n";
+    echo str_repeat('-', 50), "\n";
+});
+
+echo "PHP Version:\t\t", phpversion(), "\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 - $beginTime;
+
+echo "PHP Version:\t\t", phpversion(), "\n";
+echo "Loop\t\t\t", get_class($loop), "\n";
+echo "Time\t\t\t", date('r'), "\n";
+echo "Time taken\t\t", $timeTaken, " seconds\n";
+echo "Runs per second\t\t", round($runs / $timeTaken), "\n";