3 * Approximate benchmark for some basic operations.
4 * Runs large chunks of text through cleanup with a lowish memory limit,
5 * to test regression on mem usage (bug 28146)
7 * Copyright © 2004-2011 Brion Vibber <brion@wikimedia.org>
8 * http://www.mediawiki.org/
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
23 * http://www.gnu.org/copyleft/gpl.html
29 if( isset( $_SERVER['argv'] ) && in_array( '--icu', $_SERVER['argv'] ) ) {
30 dl( 'php_utfnormal.so' );
33 require_once 'UtfNormalUtil.php';
34 require_once 'UtfNormal.php';
36 define( 'BENCH_CYCLES', 1 );
37 define( 'BIGSIZE', 1024 * 1024 * 10); // 10m
38 ini_set('memory_limit', BIGSIZE +
120 * 1024 * 1024);
40 if( php_sapi_name() != 'cli' ) {
41 die( "Run me from the command line please.\n" );
45 'testdata/washington.txt' => 'English text',
46 'testdata/berlin.txt' => 'German text',
47 'testdata/bulgakov.txt' => 'Russian text',
48 'testdata/tokyo.txt' => 'Japanese text',
49 'testdata/young.txt' => 'Korean text'
51 $normalizer = new UtfNormal
;
52 UtfNormal
::loadData();
53 foreach( $testfiles as $file => $desc ) {
54 benchmarkTest( $normalizer, $file, $desc );
59 function benchmarkTest( &$u, $filename, $desc ) {
60 print "Testing $filename ($desc)...\n";
61 $data = file_get_contents( $filename );
63 while (strlen($all) < BIGSIZE
) {
67 echo "Data is " . strlen($data) . " bytes.\n";
72 foreach( $forms as $form ) {
73 if( is_array( $form ) ) {
75 foreach( $form as $step ) {
76 $str = benchmarkForm( $u, $str, $step );
79 benchmarkForm( $u, $data, $form );
85 $st = explode( ' ', microtime() );
86 return (float)$st[0] +
(float)$st[1];
89 function benchmarkForm( &$u, &$data, $form ) {
90 #$start = benchTime();
91 for( $i = 0; $i < BENCH_CYCLES
; $i++
) {
93 $out = $u->$form( $data, UtfNormal
::$utfCanonicalDecomp );
94 $deltas[] = (benchTime() - $start);
96 #$delta = (benchTime() - $start) / BENCH_CYCLES;
98 $delta = $deltas[0]; # Take shortest time
100 $rate = intval( strlen( $data ) / $delta );
101 $same = (0 == strcmp( $data, $out ) );
103 printf( " %20s %6.1fms %12s bytes/s (%s)\n",
106 number_format( $rate ),
107 ($same ?
'no change' : 'changed' ) );