Rudimentary performance test

examples/perf.php

@@ -0,0 +1,108 @@
+<?php
+/**
+ * Copyright 2014 Docnet
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+require('../src/Docnet/DB.php');
+require('../src/Docnet/DB/Statement.php');
+require('../src/Docnet/DB/Model.php');
+
+$obj_db = new \Docnet\DB('127.0.0.1', 'root', 'letmein', 'dbCluster');
+
+$pad = 40;
+
+$_SERVER['db'] = $obj_db;
+
+echo "\nSINGLE INTEGER PARAM\n";
+
+
+timeit("single scalar", function(){
+    $_SERVER['db']->fetchOne("SELECT * FROM tblServer WHERE intID = ?", mt_rand(1,2));
+});
+
+timeit("shorthand array ", function(){
+    $_SERVER['db']->fetchOne("SELECT * FROM tblServer WHERE intID = ?", array(mt_rand(1,2)));
+});
+
+timeit("shorthand named array ", function(){
+    $_SERVER['db']->fetchOne("SELECT * FROM tblServer WHERE intID = ?id", array('id' => mt_rand(1,2)));
+});
+
+timeit("prepare()->bindInt()->fetchOne() ", function(){
+    $_SERVER['db']->prepare("SELECT * FROM tblServer WHERE intID = ?id")->bindInt('id', mt_rand(1,2))->fetchOne();
+});
+
+timeit("prepare()->bindInt()->fetchAll() ", function(){
+    $_SERVER['db']->prepare("SELECT * FROM tblServer WHERE intID = ?id")->bindInt('id', mt_rand(1,2))->fetchAll();
+});
+
+
+echo "\nSINGLE STRING PARAM\n";
+
+timeit("single scalar ", function(){
+    $_SERVER['db']->fetchOne("SELECT * FROM tblServer WHERE vchHostname = ?", 'test');
+});
+
+timeit("shorthand array ", function(){
+    $_SERVER['db']->fetchOne("SELECT * FROM tblServer WHERE vchHostname = ?", array('test'));
+});
+
+timeit("shorthand named array ", function(){
+    $_SERVER['db']->fetchOne("SELECT * FROM tblServer WHERE vchHostname = ?host", array('host' => 'test'));
+});
+
+timeit("prepare()->bindString()->fetchOne() ", function(){
+    $_SERVER['db']->prepare("SELECT * FROM tblServer WHERE vchHostname = ?host")->bindString('host', 'test')->fetchOne();
+});
+
+timeit("prepare()->bindString()->fetchAll() ", function(){
+    $_SERVER['db']->prepare("SELECT * FROM tblServer WHERE vchHostname = ?host")->bindString('host', 'test')->fetchAll();
+});
+
+
+/**
+ * Time a callback function.
+ *
+ * Execute callback 'n' times in 'm' loops and calculate the average
+ *
+ * @param string $str_name
+ * @param $callback
+ * @param int $int_times
+ * @param int $int_loops
+ * @return array
+ */
+function timeit($str_name, $callback, $int_times = 3, $int_loops = 2000) {
+    echo str_pad($str_name, 50);
+    $arr_times = array();
+    $flt_total = 0.0;
+    for($n = 0; $n < $int_times; $n++) {
+        $start = microtime(TRUE);
+        for($i = 0; $i < $int_loops; $i++) {
+            $callback();
+        }
+        $flt_time = round(microtime(TRUE) - $start, 4);
+        $flt_total += $flt_time;
+        $arr_times[] = $flt_time;
+    }
+    echo "{$int_times}/avg: " . round($flt_total / $int_times, 4) . "s\n";
+}
+
+
+
+echo "\n\n=========================================\n";
+echo "Statements: " . print_r(\Docnet\DB\Statement::getStats(), TRUE);
+echo "Memory: " . round(memory_get_usage()/1024/1024, 2) . "MB (peak ".round(memory_get_peak_usage()/1024/1024, 2).")\n";
+
+echo "\nDone\n";