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<?php
/**
* 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 Benchmark
*/
require_once __DIR__ . '/Benchmarker.php';
/**
* Maintenance script that benchmarks HashBagOStuff and MapCacheLRU.
*
* @ingroup Benchmark
*/
class BenchmarkLruHash extends Benchmarker {
protected $defaultCount = 1000;
public function __construct() {
parent::__construct();
$this->addDescription( 'Benchmarks HashBagOStuff and MapCacheLRU.' );
$this->addOption( 'method', 'One of "construct" or "set". Default: [All]', false, true );
}
public function execute() {
$exampleKeys = [];
$max = 100;
$count = 500;
while ( $count-- ) {
$exampleKeys[] = wfRandomString();
}
// 1000 keys (1...500, 500...1)
$keys = array_merge( $exampleKeys, array_reverse( $exampleKeys ) );
$method = $this->getOption( 'method' );
$benches = [];
if ( !$method || $method === 'construct' ) {
$benches['HashBagOStuff::__construct'] = [
'function' => function () use ( $max ) {
$obj = new HashBagOStuff( [ 'maxKeys' => $max ] );
},
];
$benches['MapCacheLRU::__construct'] = [
'function' => function () use ( $max ) {
$obj = new MapCacheLRU( $max );
},
];
}
if ( !$method || $method === 'set' ) {
// For the set bechmark, do object creation in setup (not measured)
$hObj = null;
$benches['HashBagOStuff::set'] = [
'setup' => function () use ( &$hObj, $max ) {
$hObj = new HashBagOStuff( [ 'maxKeys' => $max ] );
},
'function' => function () use ( &$hObj, &$keys ) {
foreach ( $keys as $i => $key ) {
$hObj->set( $key, $i );
}
}
];
$mObj = null;
$benches['MapCacheLRU::set'] = [
'setup' => function () use ( &$mObj, $max ) {
$mObj = new MapCacheLRU( $max );
},
'function' => function () use ( &$mObj, &$keys ) {
foreach ( $keys as $i => $key ) {
$mObj->set( $key, $i );
}
}
];
}
$this->bench( $benches );
}
}
$maintClass = BenchmarkLruHash::class;
require_once RUN_MAINTENANCE_IF_MAIN;
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