Online PHP editor | perf for bR1Yc

<?php //https://github.com/php/php-src/blob/master/Zend/micro_bench.php function hallo() { } function simpleucall($n) { for ($i = 0; $i < $n; $i++) hallo(); } function simpleudcall($n) { for ($i = 0; $i < $n; $i++) hallo2(); } function hallo2() { } function simpleicall($n) { for ($i = 0; $i < $n; $i++) func_num_args(); } class Foo { static $a = 0; public $b = 0; const TEST = 0; static function read_static($n) { for ($i = 0; $i < $n; ++$i) { $x = self::$a; } } static function write_static($n) { for ($i = 0; $i < $n; ++$i) { self::$a = 0; } } static function isset_static($n) { for ($i = 0; $i < $n; ++$i) { $x = isset(self::$a); } } static function empty_static($n) { for ($i = 0; $i < $n; ++$i) { $x = empty(self::$a); } } static function f() { } static function call_static($n) { for ($i = 0; $i < $n; ++$i) { self::f(); } } function read_prop($n) { for ($i = 0; $i < $n; ++$i) { $x = $this->b; } } function write_prop($n) { for ($i = 0; $i < $n; ++$i) { $this->b = 0; } } function assign_add_prop($n) { for ($i = 0; $i < $n; ++$i) { $this->b += 2; } } function pre_inc_prop($n) { for ($i = 0; $i < $n; ++$i) { ++$this->b; } } function pre_dec_prop($n) { for ($i = 0; $i < $n; ++$i) { --$this->b; } } function post_inc_prop($n) { for ($i = 0; $i < $n; ++$i) { $this->b++; } } function post_dec_prop($n) { for ($i = 0; $i < $n; ++$i) { $this->b--; } } function isset_prop($n) { for ($i = 0; $i < $n; ++$i) { $x = isset($this->b); } } function empty_prop($n) { for ($i = 0; $i < $n; ++$i) { $x = empty($this->b); } } function g() { } function call($n) { for ($i = 0; $i < $n; ++$i) { $this->g(); } } function read_const($n) { for ($i = 0; $i < $n; ++$i) { $x = $this::TEST; } } } function read_static($n) { for ($i = 0; $i < $n; ++$i) { $x = Foo::$a; } } function write_static($n) { for ($i = 0; $i < $n; ++$i) { Foo::$a = 0; } } function isset_static($n) { for ($i = 0; $i < $n; ++$i) { $x = isset(Foo::$a); } } function empty_static($n) { for ($i = 0; $i < $n; ++$i) { $x = empty(Foo::$a); } } function call_static($n) { for ($i = 0; $i < $n; ++$i) { Foo::f(); } } function create_object($n) { for ($i = 0; $i < $n; ++$i) { $x = new Foo(); } } define('TEST', null); function read_const($n) { for ($i = 0; $i < $n; ++$i) { $x = TEST; } } function read_auto_global($n) { for ($i = 0; $i < $n; ++$i) { $x = $_GET; } } $g_var = 0; function read_global_var($n) { for ($i = 0; $i < $n; ++$i) { $x = $GLOBALS['g_var']; } } function read_hash($n) { $hash = array('test' => 0); for ($i = 0; $i < $n; ++$i) { $x = $hash['test']; } } function read_str_offset($n) { $str = "test"; for ($i = 0; $i < $n; ++$i) { $x = $str[1]; } } function issetor($n) { $val = array(0,1,2,3,4,5,6,7,8,9); for ($i = 0; $i < $n; ++$i) { $x = $val ?: null; } } function issetor2($n) { $f = false; $j = 0; for ($i = 0; $i < $n; ++$i) { $x = $f ?: $j + 1; } } function ternary($n) { $val = array(0,1,2,3,4,5,6,7,8,9); $f = false; for ($i = 0; $i < $n; ++$i) { $x = $f ? null : $val; } } function ternary2($n) { $f = false; $j = 0; for ($i = 0; $i < $n; ++$i) { $x = $f ? $f : $j + 1; } } /*****/ function empty_loop($n) { for ($i = 0; $i < $n; ++$i) { } } function getmicrotime() { $t = gettimeofday(); return ($t['sec'] + $t['usec'] / 1000000); } function start_test() { ob_start(); return getmicrotime(); } function end_test($start, $name, $overhead = null) { global $total; global $last_time; $end = getmicrotime(); ob_end_clean(); $last_time = $end-$start; $total += $last_time; $num = number_format($last_time,3); $pad = str_repeat(" ", 24-strlen($name)-strlen($num)); if (is_null($overhead)) { echo $name.$pad.$num."\n"; } else { $num2 = number_format($last_time - $overhead,3); echo $name.$pad.$num." ".$num2."\n"; } ob_start(); return getmicrotime(); } function total() { global $total; $pad = str_repeat("-", 24); echo $pad."\n"; $num = number_format($total,3); $pad = str_repeat(" ", 24-strlen("Total")-strlen($num)); echo "Total".$pad.$num."\n"; } const N = 5000000; $t0 = $t = start_test(); empty_loop(N); $t = end_test($t, 'empty_loop'); $overhead = $last_time; simpleucall(N); $t = end_test($t, 'func()', $overhead); simpleudcall(N); $t = end_test($t, 'undef_func()', $overhead); simpleicall(N); $t = end_test($t, 'int_func()', $overhead); Foo::read_static(N); $t = end_test($t, '$x = self::$x', $overhead); Foo::write_static(N); $t = end_test($t, 'self::$x = 0', $overhead); Foo::isset_static(N); $t = end_test($t, 'isset(self::$x)', $overhead); Foo::empty_static(N); $t = end_test($t, 'empty(self::$x)', $overhead); read_static(N); $t = end_test($t, '$x = Foo::$x', $overhead); write_static(N); $t = end_test($t, 'Foo::$x = 0', $overhead); isset_static(N); $t = end_test($t, 'isset(Foo::$x)', $overhead); empty_static(N); $t = end_test($t, 'empty(Foo::$x)', $overhead); Foo::call_static(N); $t = end_test($t, 'self::f()', $overhead); call_static(N); $t = end_test($t, 'Foo::f()', $overhead); $x = new Foo(); $x->read_prop(N); /*$t = end_test($t, '$x = $this->x', $overhead); $x->write_prop(N); $t = end_test($t, '$this->x = 0', $overhead); $x->assign_add_prop(N); $t = end_test($t, '$this->x += 2', $overhead); $x->pre_inc_prop(N); $t = end_test($t, '++$this->x', $overhead); $x->pre_dec_prop(N); $t = end_test($t, '--$this->x', $overhead); $x->post_inc_prop(N); $t = end_test($t, '$this->x++', $overhead); $x->post_dec_prop(N); $t = end_test($t, '$this->x--', $overhead); $x->isset_prop(N); $t = end_test($t, 'isset($this->x)', $overhead); $x->empty_prop(N); $t = end_test($t, 'empty($this->x)', $overhead); $x->call(N); $t = end_test($t, '$this->f()', $overhead); $x->read_const(N); $t = end_test($t, '$x = Foo::TEST', $overhead); create_object(N); $t = end_test($t, 'new Foo()', $overhead); read_const(N); $t = end_test($t, '$x = TEST', $overhead); read_auto_global(N); $t = end_test($t, '$x = $_GET', $overhead); read_global_var(N); $t = end_test($t, '$x = $GLOBALS[\'v\']', $overhead); read_hash(N); $t = end_test($t, '$x = $hash[\'v\']', $overhead); read_str_offset(N); $t = end_test($t, '$x = $str[0]', $overhead); issetor(N); $t = end_test($t, '$x = $a ?: null', $overhead); issetor2(N); $t = end_test($t, '$x = $f ?: tmp', $overhead); ternary(N); $t = end_test($t, '$x = $f ? $f : $a', $overhead); ternary2(N); $t = end_test($t, '$x = $f ? $f : tmp', $overhead); */ total($t0, "Total");

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.010	1.127	16.88
8.3.5	0.018	1.068	17.48
8.3.4	0.010	1.113	19.26
8.3.3	0.010	1.169	19.09
8.3.2	0.000	0.597	19.15
8.3.1	0.003	0.571	20.82
8.3.0	0.010	0.585	19.63
8.2.18	0.010	1.075	16.75
8.2.17	0.013	1.088	22.96
8.2.16	0.013	1.117	21.17
8.2.15	0.007	0.616	24.18
8.2.14	0.003	0.634	24.66
8.2.13	0.007	0.588	26.16
8.2.12	0.000	0.620	19.61
8.2.11	0.010	0.997	21.03
8.2.10	0.007	0.757	18.22
8.2.9	0.000	0.725	19.41
8.2.8	0.010	0.730	17.97
8.2.7	0.013	0.800	17.75
8.2.6	0.013	0.775	18.28
8.2.5	0.000	0.737	18.07
8.2.4	0.000	0.743	18.30
8.2.3	0.007	0.855	18.47
8.2.2	0.003	0.738	17.97
8.2.1	0.003	0.757	17.99
8.2.0	0.007	0.748	17.90
8.1.28	0.013	1.100	25.92
8.1.27	0.003	0.592	24.66
8.1.26	0.003	0.582	26.35
8.1.25	0.003	0.595	28.09
8.1.24	0.003	0.991	21.54
8.1.23	0.003	0.741	17.64
8.1.22	0.000	0.751	17.91
8.1.21	0.003	0.741	18.77
8.1.20	0.010	0.751	17.72
8.1.19	0.010	0.721	17.60
8.1.18	0.003	0.726	18.10
8.1.17	0.003	0.726	19.02
8.1.16	0.003	0.742	19.15
8.1.15	0.003	0.723	19.02
8.1.14	0.003	0.743	17.77
8.1.13	0.000	0.743	18.08
8.1.12	0.003	0.754	17.73
8.1.11	0.000	0.734	17.80
8.1.10	0.013	0.731	17.75
8.1.9	0.003	0.741	17.82
8.1.8	0.000	0.771	17.69
8.1.7	0.000	0.760	17.74
8.1.6	0.007	1.048	17.86
8.1.5	0.003	1.032	17.77
8.1.4	0.000	1.034	17.82
8.1.3	0.003	1.039	17.93
8.1.2	0.000	1.051	17.93
8.1.1	0.000	1.048	17.82
8.1.0	0.003	1.036	17.92
8.0.30	0.003	0.745	18.77
8.0.29	0.003	0.767	17.00
8.0.28	0.000	0.754	18.70
8.0.27	0.003	0.746	17.11
8.0.26	0.003	0.769	17.15
8.0.25	0.000	0.766	17.29
8.0.24	0.003	0.761	17.25
8.0.23	0.000	0.822	17.30
8.0.22	0.007	0.784	17.24
8.0.21	0.007	0.793	17.27
8.0.20	0.003	0.792	17.26
8.0.19	0.007	1.045	17.30
8.0.18	0.000	1.056	17.28
8.0.17	0.003	1.058	17.29
8.0.16	0.000	1.047	17.27
8.0.15	0.007	1.049	17.07
8.0.14	0.013	1.093	17.19
8.0.13	0.003	1.052	13.61
8.0.12	0.000	1.061	17.15
8.0.11	0.003	1.054	17.17
8.0.10	0.000	1.061	17.17
8.0.9	0.003	1.054	17.03
8.0.8	0.013	1.406	17.27
8.0.7	0.007	1.037	17.24
8.0.6	0.013	1.068	17.24
8.0.5	0.000	1.084	17.11
8.0.3	0.019	1.332	17.52
8.0.2	0.010	1.542	17.51
8.0.1	0.010	1.067	17.40
8.0.0	0.030	1.599	17.03
7.4.33	0.006	0.852	13.24
7.4.32	0.000	0.847	16.72
7.4.30	0.000	0.848	16.75
7.4.29	0.007	1.159	16.70
7.4.28	0.010	1.202	16.82
7.4.27	0.003	1.160	16.88
7.4.26	0.003	1.171	13.46
7.4.25	0.010	1.203	16.65
7.4.24	0.010	1.161	16.75
7.4.23	0.007	1.171	16.65
7.4.22	0.023	1.803	16.68
7.4.21	0.015	1.502	16.84
7.4.20	0.000	1.168	16.93
7.4.19	0.003	1.160	16.72
7.4.16	0.010	1.382	16.95
7.4.15	0.019	1.490	16.72
7.4.14	0.018	1.606	16.88
7.4.13	0.010	1.496	16.84
7.4.12	0.016	1.435	16.84
7.4.11	0.006	1.543	16.73
7.4.10	0.006	1.473	16.61
7.4.9	0.013	1.685	16.62
7.4.8	0.016	1.636	17.00
7.4.7	0.025	1.800	16.65
7.4.6	0.038	0.649	16.71
7.4.5	0.007	0.904	16.39
7.4.4	0.007	1.288	16.48
7.4.3	0.007	1.482	16.91
7.3.33	0.003	1.278	13.45
7.3.32	0.013	1.425	13.54
7.3.31	0.003	1.240	16.61
7.3.30	0.010	1.261	16.55
7.3.29	0.016	1.761	16.64
7.3.28	0.017	1.885	16.61
7.3.27	0.023	1.519	16.66
7.3.26	0.016	1.621	16.50
7.3.25	0.029	1.827	16.76
7.3.24	0.007	1.691	16.72
7.3.23	0.010	1.595	16.63
7.3.21	0.016	1.633	16.80
7.3.20	0.013	1.893	19.39
7.3.19	0.013	2.080	16.88
7.3.18	0.016	1.538	16.77
7.3.17	0.006	1.621	16.77
7.3.16	0.013	2.437	16.84
7.2.33	0.016	1.868	17.13
7.2.32	0.003	1.813	17.16
7.2.31	0.016	2.320	17.03
7.2.30	0.020	2.161	17.15
7.2.29	0.013	1.821	17.09
7.2.10	0.136	1.427	14.87
7.2.9	0.109	1.379	15.14
7.2.8	0.079	1.496	15.30
7.2.7	0.105	1.362	15.16
7.2.6	0.039	1.384	14.89
7.2.5	0.047	1.075	15.22
7.1.22	0.160	1.612	13.95
7.1.21	0.125	1.538	14.27
7.1.20	0.041	1.611	14.35
7.1.19	0.019	1.558	13.93
7.1.18	0.070	1.196	14.00
7.1.17	0.025	1.048	14.13
7.0.31	0.016	1.607	13.62
7.0.30	0.028	0.995	13.71
5.6.38	0.037	2.157	14.13
5.6.37	0.025	1.786	14.52
5.6.36	0.028	0.904	14.34