Online PHP editor | perf for Cb2j0

@ 2014-05-07T14:18:24Z

<?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");

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.013	0.178	16.63
8.3.5	0.013	0.178	16.71
8.3.4	0.010	0.185	18.91
8.3.3	0.007	0.185	19.09
8.3.2	0.000	0.090	19.02
8.3.1	0.010	0.083	20.73
8.3.0	0.003	0.087	19.50
8.2.18	0.013	0.181	16.63
8.2.17	0.007	0.190	22.96
8.2.16	0.007	0.179	19.33
8.2.15	0.007	0.082	25.66
8.2.14	0.010	0.081	24.66
8.2.13	0.007	0.091	26.16
8.2.12	0.003	0.089	20.71
8.2.11	0.003	0.163	21.06
8.2.10	0.003	0.134	17.89
8.2.9	0.007	0.151	19.58
8.2.8	0.003	0.129	21.19
8.2.7	0.000	0.134	17.75
8.2.6	0.007	0.138	18.17
8.2.5	0.003	0.130	18.07
8.2.4	0.003	0.136	18.47
8.2.3	0.003	0.127	18.18
8.2.2	0.007	0.137	19.66
8.2.1	0.007	0.123	18.00
8.2.0	0.000	0.130	18.04
8.1.28	0.010	0.195	25.92
8.1.27	0.010	0.079	23.99
8.1.26	0.003	0.090	26.35
8.1.25	0.007	0.095	28.09
8.1.24	0.007	0.153	22.71
8.1.23	0.003	0.132	21.05
8.1.22	0.000	0.131	18.04
8.1.21	0.000	0.132	19.09
8.1.20	0.003	0.130	17.38
8.1.19	0.007	0.125	17.77
8.1.18	0.000	0.133	18.10
8.1.17	0.010	0.124	18.96
8.1.16	0.007	0.124	19.08
8.1.15	0.003	0.128	18.80
8.1.14	0.007	0.125	17.71
8.1.13	0.003	0.128	17.95
8.1.12	0.000	0.131	17.74
8.1.11	0.000	0.132	17.69
8.1.10	0.000	0.132	17.65
8.1.9	0.007	0.125	17.61
8.1.8	0.003	0.129	17.63
8.1.7	0.000	0.131	17.73
8.1.6	0.007	0.159	17.67
8.1.5	0.007	0.159	17.66
8.1.4	0.007	0.159	17.69
8.1.3	0.003	0.169	17.74
8.1.2	0.003	0.163	17.73
8.1.1	0.003	0.163	17.77
8.1.0	0.000	0.166	17.73
8.0.30	0.007	0.125	20.11
8.0.29	0.003	0.128	17.00
8.0.28	0.003	0.131	18.56
8.0.27	0.003	0.128	17.52
8.0.26	0.003	0.126	17.00
8.0.25	0.003	0.127	17.18
8.0.24	0.010	0.122	17.20
8.0.23	0.000	0.130	17.15
8.0.22	0.003	0.129	17.20
8.0.21	0.007	0.123	17.10
8.0.20	0.003	0.144	17.09
8.0.19	0.007	0.160	17.10
8.0.18	0.003	0.162	17.23
8.0.17	0.003	0.165	17.10
8.0.16	0.003	0.171	17.13
8.0.15	0.007	0.161	17.01
8.0.14	0.004	0.169	17.16
8.0.13	0.003	0.160	13.63
8.0.12	0.003	0.164	17.13
8.0.11	0.000	0.168	17.19
8.0.10	0.000	0.165	17.05
8.0.9	0.000	0.166	17.20
8.0.8	0.013	0.256	17.07
8.0.7	0.003	0.163	17.14
8.0.6	0.003	0.165	17.20
8.0.5	0.000	0.170	17.17
8.0.3	0.021	0.247	17.24
8.0.2	0.013	0.235	17.37
8.0.1	0.007	0.163	17.20
8.0.0	0.017	0.308	16.96
7.4.33	0.000	0.160	13.13
7.4.32	0.007	0.152	16.71
7.4.30	0.000	0.157	16.79
7.4.29	0.003	0.189	16.71
7.4.28	0.007	0.187	16.80
7.4.27	0.007	0.186	16.72
7.4.26	0.000	0.196	13.41
7.4.25	0.000	0.195	16.77
7.4.24	0.003	0.190	16.80
7.4.23	0.003	0.194	16.54
7.4.22	0.010	0.350	16.71
7.4.21	0.010	0.277	16.89
7.4.20	0.003	0.189	16.54
7.4.19	0.003	0.191	16.84
7.4.16	0.010	0.266	16.64
7.4.15	0.007	0.287	16.89
7.4.14	0.012	0.390	16.88
7.4.13	0.013	0.280	16.83
7.4.12	0.013	0.274	16.81
7.4.11	0.017	0.304	16.66
7.4.10	0.016	0.298	16.68
7.4.9	0.015	0.296	16.65
7.4.8	0.010	0.305	19.39
7.4.7	0.010	0.283	16.67
7.4.6	0.017	0.293	16.85
7.4.5	0.003	0.137	16.67
7.4.4	0.007	0.212	16.63
7.4.3	0.018	0.274	16.64
7.3.33	0.003	0.210	13.45
7.3.32	0.003	0.202	13.39
7.3.31	0.007	0.203	16.63
7.3.30	0.007	0.209	16.61
7.3.29	0.013	0.326	16.61
7.3.28	0.013	0.321	16.57
7.3.27	0.020	0.293	16.67
7.3.26	0.010	0.316	16.74
7.3.25	0.014	0.308	16.50
7.3.24	0.010	0.311	17.06
7.3.23	0.007	0.291	16.77
7.3.21	0.013	0.349	16.61
7.3.20	0.009	0.354	16.83
7.3.19	0.003	0.491	16.61
7.3.18	0.007	0.326	16.86
7.3.17	0.007	0.290	16.91
7.3.16	0.007	0.296	16.71
7.2.33	0.013	0.341	16.99
7.2.32	0.006	0.497	16.88
7.2.31	0.009	0.493	17.13
7.2.30	0.010	0.384	17.04
7.2.29	0.023	0.407	16.98
7.2.10	0.112	0.361	15.06
7.2.9	0.029	0.283	14.89
7.2.8	0.068	0.262	14.93
7.2.7	0.058	0.258	15.27
7.2.6	0.078	0.266	15.36
7.2.5	0.016	0.296	15.51
7.2.4	0.020	0.266	15.30
7.2.3	0.075	0.241	15.52
7.2.2	0.060	0.281	15.14
7.2.1	0.059	0.276	15.16
7.2.0	0.013	0.267	14.87
7.1.22	0.073	0.296	14.26
7.1.21	0.069	0.320	14.25
7.1.20	0.063	0.289	13.82
7.1.19	0.062	0.321	14.11
7.1.18	0.040	0.345	14.09
7.1.17	0.050	0.342	13.90
7.1.16	0.069	0.282	14.18
7.1.15	0.169	0.337	13.93
7.1.14	0.062	0.302	14.07
7.1.13	0.073	0.297	14.13
7.1.12	0.075	0.326	14.26
7.1.11	0.013	0.284	14.33
7.1.10	0.010	0.313	14.21
7.1.9	0.042	0.318	13.86
7.1.8	0.055	0.350	14.09
7.1.7	0.023	0.295	14.28
7.1.6	0.036	0.338	32.20
7.1.5	0.068	0.293	32.11
7.1.4	0.102	0.276	32.26
7.1.3	0.073	0.297	32.10
7.1.2	0.044	0.287	32.06
7.1.1	0.184	0.341	14.18
7.1.0	0.063	0.311	13.94
7.0.31	0.092	0.295	13.85
7.0.30	0.070	0.360	13.63
7.0.29	0.052	0.281	13.79
7.0.28	0.053	0.345	13.96
7.0.27	0.051	0.304	13.91
7.0.26	0.013	0.321	13.70
7.0.25	0.010	0.344	13.64
7.0.24	0.026	0.302	13.84
7.0.23	0.044	0.296	13.96
7.0.22	0.064	0.285	13.53
7.0.21	0.047	0.277	13.75
7.0.20	0.017	0.360	13.64
7.0.19	0.079	0.448	13.81
7.0.18	0.021	0.320	13.89
7.0.17	0.041	0.316	13.71
7.0.16	0.012	0.362	13.75
7.0.15	0.130	0.331	13.64
7.0.14	0.124	0.321	13.81
7.0.13	0.087	0.283	13.60
7.0.12	0.072	0.310	13.61
7.0.11	0.025	0.273	13.91
7.0.10	0.113	0.311	13.67
7.0.9	0.085	0.282	13.70
7.0.8	0.075	0.397	13.42
7.0.7	0.027	0.299	13.36
7.0.6	0.098	0.274	13.49
7.0.5	0.016	0.319	14.07
7.0.4	0.184	0.354	13.72
7.0.3	0.048	0.356	13.57
7.0.2	0.157	0.290	13.72
7.0.1	0.159	0.308	13.92
7.0.0	0.027	0.316	13.67
5.6.38	0.019	0.902	14.82
5.6.37	0.019	0.794	14.60
5.6.36	0.013	0.850	14.77
5.6.35	0.013	0.781	14.54
5.6.34	0.010	0.927	14.54
5.6.33	0.010	0.753	14.49
5.6.32	0.009	0.769	14.76
5.6.31	0.013	0.811	14.41
5.6.30	0.029	0.836	14.46
5.6.29	0.042	1.039	14.71
5.6.28	0.059	0.900	14.74
5.6.27	0.031	0.816	14.64
5.6.26	0.053	0.979	14.27
5.6.25	0.061	0.829	14.35
5.6.24	0.027	0.858	14.36
5.6.23	0.026	0.928	14.51
5.6.22	0.037	0.797	14.51
5.6.21	0.016	0.873	14.14
5.6.20	0.047	1.016	13.98
5.6.19	0.031	0.913	14.57
5.6.18	0.052	0.931	14.14
5.6.17	0.041	0.934	14.54
5.6.16	0.039	0.877	14.41
5.6.15	0.035	0.805	14.70
5.6.14	0.056	0.757	14.56
5.6.13	0.012	0.927	14.46
5.6.12	0.020	0.781	14.63
5.6.11	0.019	0.842	14.55
5.6.10	0.006	0.927	14.36
5.6.9	0.007	0.801	14.53
5.6.8	0.016	0.843	14.16
5.6.7	0.010	0.929	14.32
5.6.6	0.015	1.146	14.32
5.6.5	0.026	0.847	14.68
5.6.4	0.009	0.811	14.41
5.6.3	0.013	0.831	14.49
5.6.2	0.016	0.830	14.20
5.6.1	0.000	0.804	14.27
5.6.0	0.010	0.862	14.05
5.5.38	0.031	0.801	12.68
5.5.37	0.022	1.032	12.68
5.5.36	0.026	0.797	12.68
5.5.35	0.012	0.837	12.68
5.5.34	0.018	0.900	12.68
5.5.33	0.025	0.853	12.68
5.5.32	0.033	0.791	12.68
5.5.31	0.058	0.982	12.68
5.5.30	0.009	0.790	12.68
5.5.29	0.019	0.775	12.68
5.5.28	0.013	0.756	12.68
5.5.27	0.006	0.815	12.68
5.5.26	0.016	0.905	12.68
5.5.25	0.009	0.825	12.68
5.5.24	0.006	0.779	12.68
5.5.23	0.025	1.013	12.68
5.5.22	0.016	0.880	12.68
5.5.21	0.022	0.796	12.68
5.5.20	0.010	0.750	12.68
5.5.19	0.003	0.806	12.68
5.5.18	0.025	0.907	12.68
5.5.17	0.010	0.803	14.31
5.5.16	0.003	0.792	12.68
5.5.15	0.006	0.917	12.68
5.5.14	0.006	1.018	12.68
5.5.13	0.023	0.774	12.68
5.5.12	0.036	0.897	12.68
5.5.11	0.018	0.901	12.68
5.5.10	0.016	0.943	12.68
5.5.9	0.016	0.948	12.68
5.5.8	0.007	0.885	12.68
5.5.7	0.020	0.878	12.68
5.5.6	0.054	1.001	12.68
5.5.5	0.026	0.948	12.68
5.5.4	0.025	1.031	12.68
5.5.3	0.042	0.816	12.68
5.5.2	0.038	0.762	12.68
5.5.1	0.038	0.780	12.68
5.5.0	0.030	0.926	12.68
5.4.45	0.010	0.851	12.68
5.4.44	0.010	0.768	12.68
5.4.43	0.013	1.260	12.68
5.4.42	0.013	0.889	12.68
5.4.41	0.013	0.927	12.68
5.4.40	0.006	0.886	12.68
5.4.39	0.018	0.884	12.68
5.4.38	0.009	1.210	12.68
5.4.37	0.012	1.000	12.68
5.4.36	0.013	0.814	12.68
5.4.35	0.003	0.810	12.68
5.4.34	0.018	0.873	12.68
5.4.33	0.013	1.022	12.68
5.4.32	0.003	0.852	12.68
5.4.31	0.003	0.866	12.68
5.4.30	0.013	0.849	12.68
5.4.29	0.013	0.778	12.68
5.4.28	0.016	0.852	12.68
5.4.27	0.028	0.867	12.68
5.4.26	0.023	0.881	12.68
5.4.25	0.038	0.860	12.68
5.4.24	0.032	1.097	12.68
5.4.23	0.047	0.960	12.68
5.4.22	0.026	0.971	12.68
5.4.21	0.040	1.172	12.68
5.4.20	0.047	0.931	12.68
5.4.19	0.022	0.870	12.68
5.4.18	0.016	0.854	12.68
5.4.17	0.009	0.818	12.68
5.4.16	0.031	0.915	12.68
5.4.15	0.027	0.822	12.68
5.4.14	0.037	0.955	12.68
5.3.29	0.013	0.967	12.68
5.3.28	0.032	1.362	12.68
5.3.27	0.021	1.053	12.68
5.3.26	0.031	0.982	12.68
5.3.25	0.019	1.007	12.68
5.3.24	0.035	0.953	12.68

preferences:dark modelive preview