2003-10-19 21:05:23 +02:00
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<title>ADODB Benchmarks</title>
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</head>
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<body>
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<?php
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/*
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2004-07-10 09:19:40 +02:00
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V4.50 6 July 2004 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved.
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2003-10-19 21:05:23 +02:00
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Benchmark code to test the speed to the ADODB library with different databases.
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This is a simplistic benchmark to be used as the basis for further testing.
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It should not be used as proof of the superiority of one database over the other.
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*/
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$testmssql = true;
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//$testvfp = true;
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$testoracle = true;
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$testado = true;
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$testibase = true;
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$testaccess = true;
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$testmysql = true;
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$testsqlite = true;;
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set_time_limit(240); // increase timeout
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include("../tohtml.inc.php");
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include("../adodb.inc.php");
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function testdb(&$db,$createtab="create table ADOXYZ (id int, firstname char(24), lastname char(24), created date)")
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{
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GLOBAL $ADODB_version,$ADODB_FETCH_MODE;
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adodb_backtrace();
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$max = 100;
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$sql = 'select * from ADOXYZ';
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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//print "<h3>ADODB Version: $ADODB_version Host: <i>$db->host</i> Database: <i>$db->database</i></h3>";
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// perform query once to cache results so we are only testing throughput
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$rs = $db->Execute($sql);
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if (!$rs){
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print "Error in recordset<p>";
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return;
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}
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$arr = $rs->GetArray();
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//$db->debug = true;
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global $ADODB_COUNTRECS;
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$ADODB_COUNTRECS = false;
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$start = microtime();
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for ($i=0; $i < $max; $i++) {
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$rs =& $db->Execute($sql);
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$arr =& $rs->GetArray();
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// print $arr[0][1];
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}
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$end = microtime();
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$start = explode(' ',$start);
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$end = explode(' ',$end);
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//print_r($start);
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//print_r($end);
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// print_r($arr);
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$total = $end[0]+trim($end[1]) - $start[0]-trim($start[1]);
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printf ("<p>seconds = %8.2f for %d iterations each with %d records</p>",$total,$max, sizeof($arr));
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flush();
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//$db->Close();
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}
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include("testdatabases.inc.php");
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?>
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</body>
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</html>
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