maintenance/benchmarks/benchmarkTidy.php

   1 <?php
   2
   3 require __DIR__ . '/../Maintenance.php';
   4
   5 class BenchmarkTidy extends Maintenance {
   6         public function __construct() {
   7                 parent::__construct();
   8                 $this->addOption( 'file', 'A filename which contains the input text', true, true );
   9                 $this->addOption( 'driver', 'The Tidy driver name, or false to use the configured instance',
  10                         false,  true );
  11                 $this->addOption( 'tidy-config', 'JSON encoded value for the tidy configuration array',
  12                         false, true );
  13         }
  14
  15         public function execute() {
  16                 $html = file_get_contents( $this->getOption( 'file' ) );
  17                 if ( $html === false ) {
  18                         $this->fatalError( "Unable to open input file" );
  19                 }
  20                 if ( $this->hasOption( 'driver' ) || $this->hasOption( 'tidy-config' ) ) {
  21                         $config = json_decode( $this->getOption( 'tidy-config', '{}' ), true );
  22                         if ( !is_array( $config ) ) {
  23                                 $this->fatalError( "Invalid JSON tidy config" );
  24                         }
  25                         $config += [ 'driver' => $this->getOption( 'driver', 'RemexHtml' ) ];
  26                         $driver = MWTidy::factory( $config );
  27                 } else {
  28                         $driver = MWTidy::singleton();
  29                         if ( !$driver ) {
  30                                 $this->fatalError( "Tidy disabled or not installed" );
  31                         }
  32                 }
  33
  34                 $this->benchmark( $driver, $html );
  35         }
  36
  37         private function benchmark( $driver, $html ) {
  38                 global $wgContLang;
  39
  40                 $times = [];
  41                 $innerCount = 10;
  42                 $outerCount = 10;
  43                 for ( $j = 1; $j <= $outerCount; $j++ ) {
  44                         $t = microtime( true );
  45                         for ( $i = 0; $i < $innerCount; $i++ ) {
  46                                 $driver->tidy( $html );
  47                                 print $wgContLang->formatSize( memory_get_usage( true ) ) . "\n";
  48                         }
  49                         $t = ( ( microtime( true ) - $t ) / $innerCount ) * 1000;
  50                         $times[] = $t;
  51                         print "Run $j: $t\n";
  52                 }
  53                 print "\n";
  54
  55                 sort( $times, SORT_NUMERIC );
  56                 $n = $outerCount;
  57                 $min = $times[0];
  58                 $max = end( $times );
  59                 if ( $n % 2 ) {
  60                         $median = $times[ ( $n - 1 ) / 2 ];
  61                 } else {
  62                         $median = ( $times[$n / 2] + $times[$n / 2 - 1] ) / 2;
  63                 }
  64                 $mean = array_sum( $times ) / $n;
  65
  66                 print "Minimum: $min ms\n";
  67                 print "Median: $median ms\n";
  68                 print "Mean: $mean ms\n";
  69                 print "Maximum: $max ms\n";
  70                 print "Memory usage: " .
  71                         $wgContLang->formatSize( memory_get_usage( true ) ) . "\n";
  72                 print "Peak memory usage: " .
  73                         $wgContLang->formatSize( memory_get_peak_usage( true ) ) . "\n";
  74         }
  75 }
  76
  77 $maintClass = BenchmarkTidy::class;
  78 require RUN_MAINTENANCE_IF_MAIN;