Online PHP editor | perf for rDpVv

<?php set_time_limit(0); Class Static0 { public static $counter = 0; public static function incrByTwo() { self::$counter += 2; } } Class Static1 extends Static0 { public static function incrByOne() { self::$counter++; } public static function incrByTwo() { parent::incrByTwo(); } } Class Dynamic0 { public $counter = 0; public function incrByTwo() { $this->counter += 2; } } Class Dynamic1 extends Dynamic0 { public function incrByOne() { $this->counter++; } public function incrByTwo() { parent::incrByTwo(); } } Class Singleton0 { private static $instances = []; public static function getInstance() { $self = static::class; if (!isset(self::$instances[$self])) { self::$instances[$self] = new $self; } return self::$instances[$self]; } final private function __construct() { } final private function __clone() { } protected function __wakeup() { } public $counter = 0; public function incrByTwo() { $this->counter += 2; } } Class Singleton1 extends Singleton0 { public function incrByOne() { $this->counter++; } public function incrByTwo() { parent::incrByTwo(); } } function incrByOne_by_ref(&$counter) { $counter++; } function parent_incrByTwo_by_ref(&$counter) { $counter += 2; } function incrByTwo_by_ref(&$counter) { parent_incrByTwo_by_ref($counter); } function incrByOne_global() { global $counter; $counter++; } function parent_incrByTwo_global() { global $counter; $counter += 2; } function incrByTwo_global() { parent_incrByTwo_global(); } function incrByOne_globals() { $GLOBALS['counter']++; } function parent_incrByTwo_globals() { $GLOBALS['counter'] += 2; } function incrByTwo_globals() { parent_incrByTwo_globals(); } abstract class MyStorage { public static $counter = 0; } function incrByOne_static_prop() { MyStorage::$counter++; } function parent_incrByTwo_static_prop() { MyStorage::$counter += 2; } function incrByTwo_static_prop() { parent_incrByTwo_static_prop(); } // free runs so everybody is well loaded $runs=10; for($i=0;$i<$runs;$i++) { $obj = new Dynamic1(); $obj->incrByOne(); $obj->incrByTwo(); } for($i=0;$i<$runs;$i++) { Static1::incrByOne(); Static1::incrByTwo(); } unset($obj, $i); $runs=500000; $memories = [memory_get_usage()]; ?> Runs by case: <?= $runs ?> Memory usage at start: <?= number_format(end($memories)) ?> <?php $time_start = microtime(true); $obj = new Dynamic1(); for($i=0;$i<$runs;$i++) { $obj->incrByOne(); $obj->incrByTwo(); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Dynamic Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $time_start = microtime(true); for($i=0;$i<$runs;$i++) { $obj = new Dynamic1(); $obj->incrByOne(); $obj->incrByTwo(); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Dynamic instantiated Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $storage = []; $time_start = microtime(true); for($i=0;$i<$runs;$i++) { $obj = new Dynamic1(); $obj->incrByOne(); $obj->incrByTwo(); $storage[] = $obj; } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; unset($storage); $memories[] = memory_get_usage(); ?> + Dynamic instantiated stored Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $storage2 = []; $obj = new Dynamic1(); $time_start = microtime(true); for($i=0;$i<$runs;$i++) { $storage2[] = $obj; } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; unset($storage2); $memories[] = memory_get_usage(); ?> + Storage only Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $time_start = microtime(true); for($i=0;$i<$runs;$i++) { Static1::incrByOne(); Static1::incrByTwo(); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Static Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $time_start = microtime(true); for($i=0;$i<$runs;$i++) { $obj = Singleton1::getInstance(); $obj->incrByOne(); $obj->incrByTwo(); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Singletons with many getInstance Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $time_start = microtime(true); $obj = Singleton1::getInstance(); for($i=0;$i<$runs;$i++) { $obj->incrByOne(); $obj->incrByTwo(); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Singletons with one getInstance Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $counter = 0; $time_start = microtime(true); for($i=0;$i<$runs;$i++) { incrByOne_globals(); incrByTwo_globals(); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Functions with $GLOBALS Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $counter = 0; $time_start = microtime(true); for($i=0;$i<$runs;$i++) { incrByOne_global(); incrByTwo_global(); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Functions with global Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php $counter = 0; $time_start = microtime(true); for($i=0;$i<$runs;$i++) { incrByOne_by_ref($counter); incrByTwo_by_ref($counter); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Functions with $counter passed by ref Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?> <?php MyStorage::$counter = 0; $time_start = microtime(true); for($i=0;$i<$runs;$i++) { incrByOne_static_prop($counter); incrByTwo_static_prop($counter); } $time_end = microtime(true); $time1 = $time_end - $time_start; $last_memory = end($memories); $memories[] = memory_get_usage(); $memory_diff = end($memories) - $last_memory; ?> + Functions with $counter stored in a static property Total execution time is <?= number_format($time1, 4) ?> Used memory: <?= number_format($memory_diff) ?>

Version	System time (s)	User time (s)	Memory (MiB)
8.3.7	0.052	0.339	56.60
8.3.6	0.059	0.332	56.48
8.3.5	0.040	0.359	56.41
8.3.4	0.034	0.101	40.16
8.3.3	0.030	0.112	40.17
8.3.2	0.032	0.100	40.20
8.3.1	0.037	0.093	40.04
8.3.0	0.026	0.105	40.33
8.2.19	0.046	0.342	56.62
8.2.18	0.058	0.340	56.53
8.2.17	0.033	0.092	40.68
8.2.16	0.041	0.091	40.77
8.2.15	0.031	0.101	40.60
8.2.14	0.027	0.103	40.63
8.2.13	0.033	0.096	40.58
8.2.12	0.035	0.097	40.16
8.2.11	0.034	0.104	40.06
8.2.10	0.027	0.108	40.44
8.2.9	0.024	0.107	40.47
8.2.8	0.028	0.103	40.45
8.2.7	0.038	0.092	40.46
8.2.6	0.033	0.100	40.45
8.2.5	0.039	0.116	40.54
8.2.4	0.030	0.105	40.50
8.2.3	0.045	0.083	40.32
8.2.2	0.030	0.096	40.27
8.2.1	0.027	0.099	40.40
8.2.0	0.044	0.098	40.26
8.1.28	0.067	0.391	64.20
8.1.27	0.050	0.091	44.00
8.1.26	0.037	0.103	44.14
8.1.25	0.033	0.107	44.51
8.1.24	0.037	0.093	44.34
8.1.23	0.034	0.112	44.48
8.1.22	0.021	0.110	44.29
8.1.21	0.030	0.104	44.17
8.1.20	0.044	0.092	44.27
8.1.19	0.057	0.101	43.84
8.1.18	0.054	0.085	43.94
8.1.17	0.044	0.116	43.96
8.1.16	0.046	0.106	43.95
8.1.15	0.045	0.096	44.50
8.1.14	0.037	0.112	44.30
8.1.13	0.032	0.107	44.37
8.1.12	0.041	0.102	44.38
8.1.11	0.024	0.124	44.21
8.1.10	0.027	0.105	44.38
8.1.9	0.037	0.096	44.12
8.1.8	0.046	0.111	44.30
8.1.7	0.044	0.111	44.25
8.1.6	0.048	0.092	44.25
8.1.5	0.050	0.103	44.19
8.1.4	0.040	0.099	43.96
8.1.3	0.037	0.110	44.18
8.1.2	0.049	0.092	44.06
8.1.1	0.057	0.424	65.45
8.1.0	0.076	0.404	65.32
8.0.30	0.082	0.329	64.39
8.0.29	0.063	0.366	64.64
8.0.28	0.058	0.352	64.50
8.0.27	0.080	0.347	64.38
8.0.26	0.074	0.354	64.75
8.0.25	0.080	0.340	64.80
8.0.24	0.047	0.361	64.93
8.0.23	0.066	0.363	64.55
8.0.22	0.080	0.377	64.55
8.0.21	0.053	0.354	64.40
8.0.20	0.086	0.358	64.64
8.0.19	0.062	0.357	64.71
8.0.18	0.071	0.360	64.91
8.0.17	0.086	0.330	64.63
8.0.16	0.063	0.363	64.50
8.0.15	0.051	0.362	64.36
8.0.14	0.058	0.411	64.45
8.0.13	0.058	0.418	64.45
8.0.12	0.056	0.422	64.70
8.0.11	0.046	0.487	64.63
8.0.10	0.062	0.462	64.49
8.0.9	0.059	0.428	64.69
8.0.8	0.060	0.416	64.54
8.0.7	0.060	0.431	64.54
8.0.6	0.057	0.417	64.78
8.0.5	0.054	0.429	64.70
8.0.3	0.052	0.427	64.47
8.0.2	0.074	0.507	64.74
8.0.1	0.078	0.538	64.72
8.0.0	0.063	0.561	64.77
7.4.33	0.054	0.405	64.27
7.4.32	0.070	0.369	64.54
7.4.30	0.066	0.399	64.11
7.4.29	0.072	0.365	64.48
7.4.28	0.077	0.390	64.15
7.4.27	0.054	0.453	64.35
7.4.26	0.052	0.467	64.36
7.4.25	0.059	0.454	64.22
7.4.24	0.058	0.480	64.03
7.4.23	0.060	0.453	64.25
7.4.22	0.056	0.464	64.34
7.4.21	0.068	0.445	64.27
7.4.20	0.053	0.479	64.35
7.4.19	0.061	0.450	64.41
7.4.18	0.063	0.449	64.33
7.4.16	0.056	0.466	64.44
7.4.15	0.065	0.554	64.19
7.4.14	0.080	0.561	63.96
7.4.13	0.060	0.573	64.24
7.4.12	0.080	0.557	64.31
7.4.11	0.072	0.572	64.09
7.4.10	0.064	0.627	64.29
7.4.9	0.080	0.631	64.22
7.4.8	0.076	0.628	64.11
7.4.7	0.091	0.716	64.18
7.4.6	0.080	0.636	64.21
7.4.5	0.095	0.695	64.21
7.4.4	0.092	0.728	64.12
7.4.3	0.083	0.634	64.21
7.4.2	0.076	0.653	64.19
7.4.1	0.069	0.687	64.17
7.4.0	0.079	0.663	64.15
7.3.33	0.058	0.448	64.14
7.3.32	0.060	0.517	62.57
7.3.31	0.057	0.457	64.02
7.3.30	0.059	0.457	63.92
7.3.29	0.053	0.462	64.07
7.3.28	0.049	0.489	64.04
7.3.27	0.068	0.625	64.11
7.3.26	0.055	0.580	64.07
7.3.25	0.078	0.557	64.16
7.3.24	0.072	0.570	64.12
7.3.23	0.064	0.593	64.05
7.3.22	0.071	0.623	64.06
7.3.21	0.073	0.651	64.00
7.3.20	0.083	0.652	64.11
7.3.19	0.081	0.665	64.18
7.3.18	0.081	0.660	64.16
7.3.17	0.101	0.739	64.14
7.3.16	0.082	0.797	64.08
7.3.15	0.096	0.643	64.18
7.3.14	0.077	0.624	64.17
7.3.13	0.080	0.721	64.20
7.3.12	0.079	0.679	64.14
7.3.11	0.091	0.775	64.08
7.3.10	0.081	0.761	64.03
7.3.9	0.079	0.706	64.14
7.3.8	0.097	0.769	64.08
7.3.7	0.079	0.682	64.12
7.3.6	0.076	0.677	64.13
7.3.5	0.075	0.677	64.19
7.3.4	0.074	0.706	64.13
7.3.3	0.066	0.710	64.19
7.3.2	0.131	0.725	64.24
7.3.1	0.122	0.684	64.65
7.3.0	0.111	0.761	64.65
7.2.34	0.076	0.689	64.06
7.2.33	0.091	0.783	64.09
7.2.32	0.070	0.818	63.98
7.2.31	0.077	0.738	63.96
7.2.30	0.087	0.869	64.06
7.2.29	0.093	0.844	63.91
7.2.28	0.074	0.784	64.12
7.2.27	0.083	0.813	64.05
7.2.26	0.074	0.885	63.99
7.2.25	0.077	0.834	64.07
7.2.24	0.079	0.797	64.09
7.2.23	0.084	0.803	64.01
7.2.22	0.083	0.858	64.04
7.2.21	0.073	0.786	64.07
7.2.20	0.085	0.781	64.14
7.2.19	0.073	0.808	64.08
7.2.18	0.086	0.778	64.02
7.2.17	0.068	0.796	64.18
7.2.16	0.069	0.811	64.13
7.2.15	0.122	0.846	64.62
7.2.14	0.101	0.782	64.67
7.2.13	0.096	0.806	64.72
7.2.12	0.107	0.832	64.65
7.2.11	0.102	0.799	64.64
7.2.10	0.115	0.781	64.58
7.2.9	0.099	0.784	64.59
7.2.8	0.108	0.791	64.63
7.2.7	0.100	0.798	64.67
7.2.6	0.108	0.801	64.66
7.2.5	0.113	0.829	64.60
7.2.4	0.123	0.951	64.56
7.2.3	0.108	0.858	64.77
7.2.2	0.104	0.921	64.73
7.2.1	0.104	0.844	64.56
7.2.0	0.107	0.842	64.72