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   1  <?php
   2  /**
   3   * Approximate benchmark for some basic operations.
   4   *
   5   * Copyright © 2004 Brion Vibber <[email protected]>
   6   * https://www.mediawiki.org/
   7   *
   8   * This program is free software; you can redistribute it and/or modify
   9   * it under the terms of the GNU General Public License as published by
  10   * the Free Software Foundation; either version 2 of the License, or
  11   * (at your option) any later version.
  12   *
  13   * This program is distributed in the hope that it will be useful,
  14   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16   * GNU General Public License for more details.
  17   *
  18   * You should have received a copy of the GNU General Public License along
  19   * with this program; if not, write to the Free Software Foundation, Inc.,
  20   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21   * http://www.gnu.org/copyleft/gpl.html
  22   *
  23   * @file
  24   * @ingroup UtfNormal
  25   */
  26  
  27  if ( PHP_SAPI != 'cli' ) {
  28      die( "Run me from the command line please.\n" );
  29  }
  30  
  31  if ( isset( $_SERVER['argv'] ) && in_array( '--icu', $_SERVER['argv'] ) ) {
  32      dl( 'php_utfnormal.so' );
  33  }
  34  
  35  require_once  'UtfNormalDefines.php';
  36  require_once  'UtfNormalUtil.php';
  37  require_once  'UtfNormal.php';
  38  
  39  define( 'BENCH_CYCLES', 5 );
  40  
  41  $testfiles = array(
  42      'testdata/washington.txt' => 'English text',
  43      'testdata/berlin.txt' => 'German text',
  44      'testdata/bulgakov.txt' => 'Russian text',
  45      'testdata/tokyo.txt' => 'Japanese text',
  46      'testdata/young.txt' => 'Korean text'
  47  );
  48  $normalizer = new UtfNormal;
  49  UtfNormal::loadData();
  50  foreach ( $testfiles as $file => $desc ) {
  51      benchmarkTest( $normalizer, $file, $desc );
  52  }
  53  
  54  # -------
  55  
  56  function benchmarkTest( &$u, $filename, $desc ) {
  57      print "Testing $filename ($desc)...\n";
  58      $data = file_get_contents( $filename );
  59      $forms = array(
  60  #        'placebo',
  61          'cleanUp',
  62          'toNFC',
  63  #        'toNFKC',
  64  #        'toNFD', 'toNFKD',
  65          'NFC',
  66  #        'NFKC',
  67  #        'NFD', 'NFKD',
  68          array( 'fastDecompose', 'fastCombiningSort', 'fastCompose' ),
  69  #        'quickIsNFC', 'quickIsNFCVerify',
  70      );
  71  
  72      foreach ( $forms as $form ) {
  73          if ( is_array( $form ) ) {
  74              $str = $data;
  75              foreach ( $form as $step ) {
  76                  $str = benchmarkForm( $u, $str, $step );
  77              }
  78          } else {
  79              benchmarkForm( $u, $data, $form );
  80          }
  81      }
  82  }
  83  
  84  function benchmarkForm( &$u, &$data, $form ) {
  85      #$start = microtime( true );
  86      for ( $i = 0; $i < BENCH_CYCLES; $i++ ) {
  87          $start = microtime( true );
  88          $out = $u->$form( $data, UtfNormal::$utfCanonicalDecomp );
  89          $deltas[] = ( microtime( true ) - $start );
  90      }
  91      #$delta = (microtime( true ) - $start) / BENCH_CYCLES;
  92      sort( $deltas );
  93      $delta = $deltas[0]; # Take shortest time
  94  
  95      $rate = intval( strlen( $data ) / $delta );
  96      $same = ( 0 == strcmp( $data, $out ) );
  97  
  98      printf( " %20s %6.1fms %12s bytes/s (%s)\n",
  99          $form,
 100          $delta * 1000.0,
 101          number_format( $rate ),
 102          ( $same ? 'no change' : 'changed' ) );
 103  
 104      return $out;
 105  }