2c66553ed3
Added PHP version and architecture and OS version to benchmark output. Change-Id: I018e6bf8bb60f594ac512ef2113e404dd304786a
100 lines
2.6 KiB
PHP
100 lines
2.6 KiB
PHP
<?php
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/**
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* @defgroup Benchmark Benchmark
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* @ingroup Maintenance
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*/
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/**
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* Base code for benchmark scripts.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Benchmark
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*/
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require_once __DIR__ . '/../Maintenance.php';
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/**
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* Base class for benchmark scripts.
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*
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* @ingroup Benchmark
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*/
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abstract class Benchmarker extends Maintenance {
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private $results;
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public function __construct() {
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parent::__construct();
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$this->addOption( 'count', "How many times to run a benchmark", false, true );
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}
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public function bench( array $benchs ) {
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$bench_number = 0;
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$count = $this->getOption( 'count', 100 );
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foreach ( $benchs as $bench ) {
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// handle empty args
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if ( !array_key_exists( 'args', $bench ) ) {
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$bench['args'] = array();
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}
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$bench_number++;
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$start = microtime( true );
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for ( $i = 0; $i < $count; $i++ ) {
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call_user_func_array( $bench['function'], $bench['args'] );
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}
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$delta = microtime( true ) - $start;
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// function passed as a callback
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if ( is_array( $bench['function'] ) ) {
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$ret = get_class( $bench['function'][0] ) . '->' . $bench['function'][1];
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$bench['function'] = $ret;
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}
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$this->results[$bench_number] = array(
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'function' => $bench['function'],
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'arguments' => $bench['args'],
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'count' => $count,
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'delta' => $delta,
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'average' => $delta / $count,
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);
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}
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}
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public function getFormattedResults() {
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$ret = sprintf( "Running PHP version %s (%s) on %s %s %s\n\n",
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phpversion(),
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php_uname( 'm' ),
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php_uname( 's' ),
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php_uname( 'r' ),
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php_uname( 'v' )
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);
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foreach ( $this->results as $res ) {
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// show function with args
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$ret .= sprintf( "%s times: function %s(%s) :\n",
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$res['count'],
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$res['function'],
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join( ', ', $res['arguments'] )
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);
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$ret .= sprintf( " %6.2fms (%6.2fms each)\n",
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$res['delta'] * 1000,
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$res['average'] * 1000
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);
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}
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return $ret;
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}
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}
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