maintenance/benchmarks/bench_if_switch.php

   1 <?php
   2 /**
   3  * This come from r75429 message
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Benchmark
  22  * @author  Platonides
  23  */
  24
  25 require_once( __DIR__ . '/Benchmarker.php' );
  26 class bench_if_switch extends Benchmarker {
  27
  28         public function __construct() {
  29                 parent::__construct();
  30                 $this->mDescription = "Benchmark if elseif... versus switch case.";
  31         }
  32
  33         public function execute() {
  34                 $this->bench( array(
  35                         array( 'function' => array( $this, 'doElseIf' ) ),
  36                         array( 'function' => array( $this, 'doSwitch' ) ),
  37                 ));
  38                 print $this->getFormattedResults();
  39         }
  40
  41         // bench function 1
  42         function doElseIf() {
  43                 $a = 'z';
  44                 if( $a == 'a') {}
  45                 elseif( $a == 'b') {}
  46                 elseif( $a == 'c') {}
  47                 elseif( $a == 'd') {}
  48                 elseif( $a == 'e') {}
  49                 elseif( $a == 'f') {}
  50                 elseif( $a == 'g') {}
  51                 elseif( $a == 'h') {}
  52                 elseif( $a == 'i') {}
  53                 elseif( $a == 'j') {}
  54                 elseif( $a == 'k') {}
  55                 elseif( $a == 'l') {}
  56                 elseif( $a == 'm') {}
  57                 elseif( $a == 'n') {}
  58                 elseif( $a == 'o') {}
  59                 elseif( $a == 'p') {}
  60                 else {}
  61         }
  62
  63         // bench function 2
  64         function doSwitch() {
  65                 $a = 'z';
  66                 switch( $a ) {
  67                         case 'b': break;
  68                         case 'c': break;
  69                         case 'd': break;
  70                         case 'e': break;
  71                         case 'f': break;
  72                         case 'g': break;
  73                         case 'h': break;
  74                         case 'i': break;
  75                         case 'j': break;
  76                         case 'k': break;
  77                         case 'l': break;
  78                         case 'm': break;
  79                         case 'n': break;
  80                         case 'o': break;
  81                         case 'p': break;
  82                         default:
  83                 }
  84         }
  85 }
  86
  87 $maintClass = 'bench_if_switch';
  88 require_once( RUN_MAINTENANCE_IF_MAIN );