Basic benchmark scripts

Author: igorw

benchmark/bench.php

@@ -0,0 +1,47 @@
+<?php
+
+class Bench {
+    private $prev;
+
+    public function start() {
+        $this->prev = microtime(true);
+    }
+
+    public function snap() {
+        $prev = $this->prev;
+
+        $current = microtime(true);
+        $this->prev = $current;
+
+        return $current - $prev;
+    }
+
+    public function printSnap($name) {
+        printf("%-40s: %s s\n", $name, $this->snap());
+    }
+}
+
+function benchLoops(array $tests) {
+    $loops = array(
+        'StreamSelectLoop',
+        'LibEventLoop',
+        'LibEvLoop',
+        // 'LibUvLoop',
+    );
+
+    foreach ($tests as $testName => $test) {
+        foreach ($loops as $loopName) {
+            $loopClass = "React\\EventLoop\\$loopName";
+            $loop = new $loopClass();
+
+            $bench = new Bench();
+            $bench->start();
+
+            $test($loop);
+
+            $bench->printSnap("$loopName: $testName");
+        }
+
+        printf("----------------------------------------\n");
+    }
+}

benchmark/timers.php

@@ -0,0 +1,25 @@
+<?php
+
+require __DIR__.'/../vendor/autoload.php';
+require __DIR__.'/bench.php';
+
+$tests = array(
+    '1000 one-off timers' => function ($loop) {
+        for ($i = 0; $i < 1000; $i++) {
+            $loop->addTimer(1, function ($signature, $loop) {});
+        }
+        $loop->run();
+    },
+    '1000 periodic timers' => function ($loop) {
+        for ($i = 0; $i < 1000; $i++) {
+            $loop->addPeriodicTimer(1, function ($signature, $loop) use (&$i) {
+                if ($i >= 1000) {
+                    $loop->cancelTimer($signature);
+                }
+            });
+        }
+        $loop->run();
+    },
+);
+
+benchLoops($tests);