MediaWiki REL1_37
benchmarkLruHash.php
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1<?php
22require_once __DIR__ . '/../includes/Benchmarker.php';
23
30 protected $defaultCount = 1000;
31
32 public function __construct() {
33 parent::__construct();
34 $this->addDescription( 'Benchmarks HashBagOStuff and MapCacheLRU.' );
35 $this->addOption( 'method', 'One of "construct" or "set". Default: [All]', false, true );
36 }
37
38 public function execute() {
39 $exampleKeys = [];
40 $max = 100;
41 $count = 500;
42 while ( $count-- ) {
43 $exampleKeys[] = wfRandomString();
44 }
45 // 1000 keys (1...500, 500...1)
46 $keys = array_merge( $exampleKeys, array_reverse( $exampleKeys ) );
47
48 $method = $this->getOption( 'method' );
49 $benches = [];
50
51 if ( !$method || $method === 'construct' ) {
52 $benches['HashBagOStuff::__construct'] = [
53 'function' => static function () use ( $max ) {
54 $obj = new HashBagOStuff( [ 'maxKeys' => $max ] );
55 },
56 ];
57 $benches['MapCacheLRU::__construct'] = [
58 'function' => static function () use ( $max ) {
59 $obj = new MapCacheLRU( $max );
60 },
61 ];
62 }
63
64 if ( !$method || $method === 'set' ) {
65 $hObj = null;
66 $benches['HashBagOStuff::set'] = [
67 'setup' => static function () use ( &$hObj, $max ) {
68 $hObj = new HashBagOStuff( [ 'maxKeys' => $max ] );
69 },
70 'function' => static function () use ( &$hObj, $keys ) {
71 foreach ( $keys as $i => $key ) {
72 $hObj->set( $key, $i );
73 }
74 }
75 ];
76 $mObj = null;
77 $benches['MapCacheLRU::set'] = [
78 'setup' => static function () use ( &$mObj, $max ) {
79 $mObj = new MapCacheLRU( $max );
80 },
81 'function' => static function () use ( &$mObj, $keys ) {
82 foreach ( $keys as $i => $key ) {
83 $mObj->set( $key, $i );
84 }
85 }
86 ];
87 }
88
89 if ( !$method || $method === 'get' ) {
90 $hObj = null;
91 $benches['HashBagOStuff::get'] = [
92 'setup' => static function () use ( &$hObj, $max, $keys ) {
93 $hObj = new HashBagOStuff( [ 'maxKeys' => $max ] );
94 foreach ( $keys as $i => $key ) {
95 $hObj->set( $key, $i );
96 }
97 },
98 'function' => static function () use ( &$hObj, $keys ) {
99 foreach ( $keys as $key ) {
100 $hObj->get( $key );
101 }
102 }
103 ];
104 $mObj = null;
105 $benches['MapCacheLRU::get'] = [
106 'setup' => static function () use ( &$mObj, $max, $keys ) {
107 $mObj = new MapCacheLRU( $max );
108 foreach ( $keys as $i => $key ) {
109 $mObj->set( $key, $i );
110 }
111 },
112 'function' => static function () use ( &$mObj, $keys ) {
113 foreach ( $keys as $key ) {
114 $mObj->get( $key );
115 }
116 }
117 ];
118 }
119
120 $this->bench( $benches );
121 }
122}
123
124$maintClass = BenchmarkLruHash::class;
125require_once RUN_MAINTENANCE_IF_MAIN;
wfRandomString( $length=32)
Get a random string containing a number of pseudo-random hex characters.
Maintenance script that benchmarks HashBagOStuff and MapCacheLRU.
__construct()
Default constructor.
execute()
Do the actual work.
Base class for benchmark scripts.
bench(array $benchs)
Simple store for keeping values in an associative array for the current process.
addDescription( $text)
Set the description text.
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.
getOption( $name, $default=null)
Get an option, or return the default.
Handles a simple LRU key/value map with a maximum number of entries.