From 588727c7e2b8954ec3dbde293cf4c4d68b119f9b Mon Sep 17 00:00:00 2001
From: xue <>
Date: Mon, 19 Jun 2006 18:38:29 +0000
Subject: Merge from 3.0 branch till 1185.

---
 buildscripts/Benchmark/Iterate.php | 167 +++++++++++++++++++++++++++++++++++++
 1 file changed, 167 insertions(+)
 create mode 100644 buildscripts/Benchmark/Iterate.php

(limited to 'buildscripts/Benchmark/Iterate.php')

diff --git a/buildscripts/Benchmark/Iterate.php b/buildscripts/Benchmark/Iterate.php
new file mode 100644
index 00000000..acf1ec08
--- /dev/null
+++ b/buildscripts/Benchmark/Iterate.php
@@ -0,0 +1,167 @@
+<?php
+//
+// +------------------------------------------------------------------------+
+// | PEAR :: Benchmark                                                      |
+// +------------------------------------------------------------------------+
+// | Copyright (c) 2001-2006 Sebastian Bergmann <sb@sebastian-bergmann.de>. |
+// +------------------------------------------------------------------------+
+// | This source file is subject to the New BSD license, That is bundled    |
+// | with this package in the file LICENSE, and is available through        |
+// | the world-wide-web at                                                  |
+// | http://www.opensource.org/licenses/bsd-license.php                     |
+// | If you did not receive a copy of the new BSDlicense and are unable     |
+// | to obtain it through the world-wide-web, please send a note to         |
+// | license@php.net so we can mail you a copy immediately.                 |
+// +------------------------------------------------------------------------+
+//
+// $Id: Iterate.php,v 1.12 2006/02/17 16:29:44 toggg Exp $
+//
+
+require_once 'Benchmark/Timer.php';
+
+/**
+ * Provides timing and profiling information.
+ *
+ * Example 1
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Iterate.php';
+ *
+ * $benchmark = new Benchmark_Iterate;
+ *
+ * function foo($string) {
+ *     print $string . '<br>';
+ * }
+ *
+ * $benchmark->run(100, 'foo', 'test');
+ * $result = $benchmark->get();
+ * ?>
+ * </code>
+ *
+ * Example 2
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Iterate.php';
+ *
+ * $benchmark = new Benchmark_Iterate;
+ *
+ * class MyClass {
+ *     function foo($string) {
+ *         print $string . '<br>';
+ *     }
+ * }
+ *
+ * $benchmark->run(100, 'myclass::foo', 'test');
+ * $result = $benchmark->get();
+ * ?>
+ * </code>
+ *
+ * Example 3
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Iterate.php';
+ *
+ * $benchmark = new Benchmark_Iterate;
+ *
+ * class MyClass {
+ *     function foo($string) {
+ *         print $string . '<br>';
+ *     }
+ * }
+ *
+ * $o = new MyClass();
+ *
+ * $benchmark->run(100, 'o->foo', 'test');
+ * $result = $benchmark->get();
+ * ?>
+ * </code>
+ *
+ * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @copyright Copyright &copy; 2002-2005 Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @license   http://www.php.net/license/3_0.txt The PHP License, Version 3.0
+ * @category  Benchmarking
+ * @package   Benchmark
+ */
+class Benchmark_Iterate extends Benchmark_Timer {
+    /**
+     * Benchmarks a function or method.
+     *
+     * @access public
+     */
+    function run() {
+        $arguments     = func_get_args();
+        $iterations    = array_shift($arguments);
+        $function_name = array_shift($arguments);
+
+        if (strstr($function_name, '::')) {
+          $function_name = explode('::', $function_name);
+          $objectmethod = $function_name[1];
+        }
+
+        if (strstr($function_name, '->')) {
+            $function_name = explode('->', $function_name);
+            $objectname = $function_name[0];
+
+            $object = $GLOBALS[$objectname];
+            $objectmethod = $function_name[1];
+
+            for ($i = 1; $i <= $iterations; $i++) {
+                $this->setMarker('start_' . $i);
+                call_user_func_array(array($object, $function_name[1]), $arguments);
+                $this->setMarker('end_' . $i);
+            }
+
+            return(0);
+        }
+
+        for ($i = 1; $i <= $iterations; $i++) {
+            $this->setMarker('start_' . $i);
+            call_user_func_array($function_name, $arguments);
+            $this->setMarker('end_' . $i);
+        }
+    }
+
+    /**
+     * Returns benchmark result.
+     *
+     * $result[x           ] = execution time of iteration x
+     * $result['mean'      ] = mean execution time
+     * $result['iterations'] = number of iterations
+     *
+     * @return array
+     * @access public
+     */
+    function get($simple_output = false) {
+        $result = array();
+        $total  = 0;
+
+        $iterations = count($this->markers)/2;
+
+        for ($i = 1; $i <= $iterations; $i++) {
+            $time = $this->timeElapsed('start_'.$i , 'end_'.$i);
+
+            if (extension_loaded('bcmath')) {
+                $total = bcadd($total, $time, 6);
+            } else {
+                $total = $total + $time;
+            }
+
+            if (!$simple_output) {
+                $result[$i] = $time;
+            }
+        }
+
+        if (extension_loaded('bcmath')) {
+            $result['mean'] = bcdiv($total, $iterations, 6);
+        } else {
+            $result['mean'] = $total / $iterations;
+        }
+
+        $result['iterations'] = $iterations;
+
+        return $result;
+    }
+}
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