benchmark.php

来自「开源MARC数据处理」· PHP 代码 · 共 85 行

PHP

85 行

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<html>
<head>
	<title>ADODB Benchmarks</title>
</head> 

<body>
<?php 
/*
V4.21 20 Mar 2004  (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved.
  Released under both BSD license and Lesser GPL library license. 
  Whenever there is any discrepancy between the two licenses, 
  the BSD license will take precedence.
  
  Benchmark code to test the speed to the ADODB library with different databases.
  This is a simplistic benchmark to be used as the basis for further testing.
  It should not be used as proof of the superiority of one database over the other.
*/ 
 
$testmssql = true;
//$testvfp = true;
$testoracle = true;
$testado = true; 
$testibase = true;
$testaccess = true;
$testmysql = true;
$testsqlite = true;;

set_time_limit(240); // increase timeout

include("../tohtml.inc.php");
include("../adodb.inc.php");

function testdb(&$db,$createtab="create table ADOXYZ (id int, firstname char(24), lastname char(24), created date)")
{
GLOBAL $ADODB_version,$ADODB_FETCH_MODE;

	adodb_backtrace();
	
	$max = 100;
	$sql = 'select * from ADOXYZ';
	$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
	
	//print "<h3>ADODB Version: $ADODB_version Host: <i>$db->host</i> &nbsp; Database: <i>$db->database</i></h3>";
	
	// perform query once to cache results so we are only testing throughput 
	$rs = $db->Execute($sql);
	if (!$rs){
		print "Error in recordset<p>";
		return;
	}	
	$arr = $rs->GetArray();
	//$db->debug = true;
	global $ADODB_COUNTRECS;
	$ADODB_COUNTRECS = false;
	$start = microtime();
	for ($i=0; $i < $max; $i++) {
		$rs =& $db->Execute($sql);	
		$arr =& $rs->GetArray();
	   //		 print $arr[0][1];
	}
	$end =  microtime();
	$start = explode(' ',$start);
	$end = explode(' ',$end);
	
	//print_r($start);
	//print_r($end);
	
	  //  print_r($arr);
	$total = $end[0]+trim($end[1]) - $start[0]-trim($start[1]);
	printf ("<p>seconds = %8.2f for %d iterations each with %d records</p>",$total,$max, sizeof($arr));
	flush();


		//$db->Close();
}
include("testdatabases.inc.php");

?>


</body>
</html>

benchmark.php - 源码说明

本页面展示了「开源MARC数据处理」中的 benchmark.php 源码文件，采用 PHP 编程语言编写，共 85 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

虫虫下载站收录了大量与MARC相关的技术资源，包括源代码、技术文档、电路图等，是电子工程师和嵌入式开发者的专业学习平台。

⌨️ 快捷键说明

复制代码Ctrl + C

搜索代码Ctrl + F

全屏模式F11

增大字号Ctrl + =

减小字号Ctrl + -

显示快捷键?