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benchmark.php
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benchmark.php
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<?php
/**
* Approximate benchmark for some basic operations.
*
* Copyright © 2004 Brion Vibber <brion@pobox.com>
* https://www.mediawiki.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup UtfNormal
*/
use UtfNormal\Validator;
if ( PHP_SAPI != 'cli' ) {
die( "Run me from the command line please.\n" );
}
require_once dirname( __DIR__ ) . '/vendor/autoload.php';
define( 'BENCH_CYCLES', 5 );
$testfiles = [
__DIR__ . '/testdata/washington.txt' => 'English text',
__DIR__ . '/testdata/berlin.txt' => 'German text',
__DIR__ . '/testdata/bulgakov.txt' => 'Russian text',
__DIR__ . '/testdata/tokyo.txt' => 'Japanese text',
__DIR__ . '/testdata/young.txt' => 'Korean text'
];
$normalizer = new Validator;
Validator::loadData();
foreach ( $testfiles as $file => $desc ) {
benchmarkTest( $normalizer, $file, $desc );
}
/**
* @param Validator &$u
* @param string $filename
* @param string $desc
*/
function benchmarkTest( &$u, $filename, $desc ) {
print "Testing $filename ($desc)...\n";
$data = file_get_contents( $filename );
$forms = [
# 'placebo',
'cleanUp',
'toNFC',
# 'toNFKC',
# 'toNFD', 'toNFKD',
'NFC',
# 'NFKC',
# 'NFD', 'NFKD',
[ 'fastDecompose', 'fastCombiningSort', 'fastCompose' ],
# 'quickIsNFC', 'quickIsNFCVerify',
];
foreach ( $forms as $form ) {
if ( is_array( $form ) ) {
$str = $data;
foreach ( $form as $step ) {
$str = benchmarkForm( $u, $str, $step );
}
} else {
benchmarkForm( $u, $data, $form );
}
}
}
/**
* @param Validator &$u
* @param string &$data
* @param string $form
* @return string
*/
function benchmarkForm( &$u, &$data, $form ) {
# $start = microtime( true );
for ( $i = 0; $i < BENCH_CYCLES; $i++ ) {
$start = microtime( true );
$out = $u->$form( $data, Validator::$utfCanonicalDecomp );
$deltas[] = ( microtime( true ) - $start );
}
# $delta = (microtime( true ) - $start) / BENCH_CYCLES;
sort( $deltas );
# Take shortest time
$delta = $deltas[0];
$rate = intval( strlen( $data ) / $delta );
$same = ( strcmp( $data, $out ) == 0 );
printf( " %20s %6.1fms %12s bytes/s (%s)\n",
$form,
$delta * 1000.0,
number_format( $rate ),
( $same ? 'no change' : 'changed' ) );
return $out;
}

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text/x-php
Expires
Sat, Oct 3, 21:07 (5 d, 14 h ago)
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local-disk
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11/0a/f4c72e143676ee2f998f8d398a64
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benchmark.php (2 KB)

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