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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 '@phan-var BagOStuff $hObj';
67 $benches['HashBagOStuff::set'] = [
68 'setup' => static function () use ( &$hObj, $max ) {
69 $hObj = new HashBagOStuff( [ 'maxKeys' => $max ] );
70 },
71 'function' => static function () use ( &$hObj, $keys ) {
72 foreach ( $keys as $i => $key ) {
73 $hObj->set( $key, $i );
74 }
75 }
76 ];
77 $mObj = null;
78 '@phan-var MapCacheLRU $mObj';
79 $benches['MapCacheLRU::set'] = [
80 'setup' => static function () use ( &$mObj, $max ) {
81 $mObj = new MapCacheLRU( $max );
82 },
83 'function' => static function () use ( &$mObj, $keys ) {
84 foreach ( $keys as $i => $key ) {
85 $mObj->set( $key, $i );
86 }
87 }
88 ];
89 }
90
91 if ( !$method || $method === 'get' ) {
92 $hObj = null;
93 '@phan-var BagOStuff $hObj';
94 $benches['HashBagOStuff::get'] = [
95 'setup' => static function () use ( &$hObj, $max, $keys ) {
96 $hObj = new HashBagOStuff( [ 'maxKeys' => $max ] );
97 foreach ( $keys as $i => $key ) {
98 $hObj->set( $key, $i );
99 }
100 },
101 'function' => static function () use ( &$hObj, $keys ) {
102 foreach ( $keys as $key ) {
103 $hObj->get( $key );
104 }
105 }
106 ];
107 $mObj = null;
108 '@phan-var MapCacheLRU $mObj';
109 $benches['MapCacheLRU::get'] = [
110 'setup' => static function () use ( &$mObj, $max, $keys ) {
111 $mObj = new MapCacheLRU( $max );
112 foreach ( $keys as $i => $key ) {
113 $mObj->set( $key, $i );
114 }
115 },
116 'function' => static function () use ( &$mObj, $keys ) {
117 foreach ( $keys as $key ) {
118 $mObj->get( $key );
119 }
120 }
121 ];
122 }
123
124 $this->bench( $benches );
125 }
126}
127
128$maintClass = BenchmarkLruHash::class;
129require_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.
Store key-value entries in a size-limited in-memory LRU cache.