Online PHP editor | perf for P9Mg1

@ 2014-05-07T14:18:59Z

<?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 = 500;

$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	0.010	0.013	17.00
8.3.5	0.016	0.003	16.80
8.3.4	0.000	0.016	19.27
8.3.3	0.008	0.008	19.04
8.3.2	0.004	0.004	19.12
8.3.1	0.003	0.006	20.79
8.3.0	0.006	0.003	19.75
8.2.18	0.017	0.007	18.55
8.2.17	0.000	0.016	22.96
8.2.16	0.014	0.003	19.34
8.2.15	0.003	0.006	24.18
8.2.14	0.000	0.008	24.66
8.2.13	0.013	0.006	26.16
8.2.12	0.004	0.004	20.75
8.2.11	0.008	0.016	21.04
8.2.10	0.008	0.004	18.06
8.2.9	0.000	0.009	19.50
8.2.8	0.010	0.000	19.53
8.2.7	0.006	0.003	18.00
8.2.6	0.008	0.004	18.18
8.2.5	0.006	0.003	18.07
8.2.4	0.005	0.003	18.41
8.2.3	0.003	0.006	18.43
8.2.2	0.006	0.004	19.67
8.2.1	0.000	0.008	18.19
8.2.0	0.000	0.008	18.20
8.1.28	0.015	0.006	25.92
8.1.27	0.008	0.000	23.99
8.1.26	0.016	0.003	26.35
8.1.25	0.007	0.011	28.09
8.1.24	0.000	0.011	22.67
8.1.23	0.009	0.003	21.05
8.1.22	0.000	0.008	18.03
8.1.21	0.003	0.006	19.15
8.1.20	0.004	0.007	17.86
8.1.19	0.005	0.003	17.91
8.1.18	0.004	0.004	18.10
8.1.17	0.006	0.003	19.21
8.1.16	0.003	0.005	19.15
8.1.15	0.003	0.006	18.96
8.1.14	0.004	0.004	17.76
8.1.13	0.004	0.004	18.14
8.1.12	0.003	0.005	17.85
8.1.11	0.006	0.003	17.74
8.1.10	0.004	0.004	17.83
8.1.9	0.008	0.000	17.72
8.1.8	0.004	0.004	17.90
8.1.7	0.000	0.007	17.76
8.1.6	0.004	0.005	17.89
8.1.5	0.000	0.008	17.73
8.1.4	0.000	0.008	17.87
8.1.3	0.009	0.000	17.97
8.1.2	0.004	0.004	18.02
8.1.1	0.003	0.006	17.78
8.1.0	0.008	0.000	17.82
8.0.30	0.003	0.005	20.11
8.0.29	0.004	0.004	17.00
8.0.28	0.007	0.000	18.67
8.0.27	0.004	0.004	17.57
8.0.26	0.000	0.007	17.18
8.0.25	0.004	0.004	17.35
8.0.24	0.009	0.000	17.34
8.0.23	0.003	0.005	17.21
8.0.22	0.000	0.008	17.28
8.0.21	0.008	0.000	17.27
8.0.20	0.000	0.009	17.16
8.0.19	0.004	0.004	17.19
8.0.18	0.000	0.008	17.24
8.0.17	0.003	0.006	17.18
8.0.16	0.005	0.003	17.18
8.0.15	0.000	0.008	17.14
8.0.14	0.003	0.006	17.23
8.0.13	0.003	0.003	13.75
8.0.12	0.000	0.009	17.13
8.0.11	0.004	0.004	17.30
8.0.10	0.000	0.009	17.16
8.0.9	0.006	0.003	17.07
8.0.8	0.010	0.007	17.27
8.0.7	0.000	0.008	17.23
8.0.6	0.006	0.003	17.04
8.0.5	0.000	0.008	17.09
8.0.3	0.008	0.012	17.44
8.0.2	0.010	0.013	17.49
8.0.1	0.003	0.006	17.57
8.0.0	0.011	0.011	17.15
7.4.33	0.005	0.000	13.33
7.4.32	0.000	0.007	16.84
7.4.30	0.005	0.003	16.88
7.4.29	0.003	0.005	16.89
7.4.28	0.003	0.006	16.79
7.4.27	0.006	0.003	16.82
7.4.26	0.006	0.000	13.56
7.4.25	0.003	0.007	16.93
7.4.24	0.000	0.008	16.91
7.4.23	0.006	0.003	16.93
7.4.22	0.018	0.023	16.80
7.4.21	0.005	0.010	17.00
7.4.20	0.000	0.008	16.96
7.4.19	0.000	0.008	16.68
7.4.16	0.015	0.003	16.95
7.4.15	0.006	0.018	16.84
7.4.14	0.015	0.014	16.71
7.4.13	0.009	0.009	17.04
7.4.12	0.009	0.014	16.95
7.4.11	0.011	0.007	17.01
7.4.10	0.004	0.015	16.63
7.4.9	0.015	0.005	16.88
7.4.8	0.007	0.013	19.39
7.4.7	0.003	0.014	17.03
7.4.6	0.012	0.006	16.88
7.4.5	0.000	0.008	16.92
7.4.4	0.012	0.003	16.71
7.4.3	0.003	0.013	16.73
7.4.0	0.004	0.015	15.40
7.3.33	0.000	0.007	13.61
7.3.32	0.000	0.006	13.67
7.3.31	0.004	0.004	16.71
7.3.30	0.000	0.009	16.64
7.3.29	0.005	0.009	16.68
7.3.28	0.009	0.007	16.67
7.3.27	0.015	0.012	16.81
7.3.26	0.004	0.015	16.88
7.3.25	0.012	0.010	16.92
7.3.24	0.015	0.003	16.86
7.3.23	0.010	0.014	16.74
7.3.21	0.012	0.007	17.05
7.3.20	0.007	0.011	16.66
7.3.19	0.012	0.006	16.87
7.3.18	0.004	0.015	16.77
7.3.17	0.006	0.012	16.77
7.3.16	0.009	0.009	16.72
7.3.12	0.003	0.013	15.35
7.2.33	0.015	0.009	17.15
7.2.32	0.003	0.016	16.97
7.2.31	0.019	0.009	17.06
7.2.30	0.015	0.009	16.84
7.2.29	0.005	0.016	17.24
7.2.6	0.003	0.013	17.10
7.2.0	0.003	0.013	19.20
7.1.20	0.004	0.007	15.82
7.1.10	0.011	0.007	17.95
7.1.7	0.004	0.004	17.39
7.1.6	0.013	0.013	19.17
7.1.5	0.013	0.013	16.76
7.1.0	0.007	0.050	22.63
7.0.20	0.088	0.000	15.07
7.0.14	0.000	0.077	22.24
7.0.12	0.007	0.063	22.34
7.0.10	0.027	0.057	20.35
7.0.9	0.013	0.070	20.10
7.0.8	0.017	0.063	20.29
7.0.7	0.007	0.090	20.33
7.0.6	0.027	0.077	19.98
7.0.5	0.010	0.037	20.64
7.0.4	0.007	0.037	20.25
7.0.3	0.010	0.087	20.15
7.0.2	0.000	0.057	20.06
7.0.1	0.007	0.093	20.32
7.0.0	0.003	0.097	19.94
5.6.28	0.007	0.073	21.24
5.6.25	0.007	0.043	20.89
5.6.24	0.003	0.077	20.78
5.6.23	0.007	0.083	20.80
5.6.22	0.007	0.073	20.95
5.6.21	0.000	0.060	20.76
5.6.20	0.003	0.043	21.08
5.6.19	0.007	0.080	21.25
5.6.18	0.013	0.070	21.25
5.6.17	0.013	0.063	21.17
5.6.16	0.007	0.050	21.15
5.6.15	0.010	0.083	21.18
5.6.14	0.010	0.080	21.25
5.6.13	0.007	0.060	21.29
5.6.12	0.007	0.057	21.15
5.6.11	0.007	0.087	21.13
5.6.10	0.013	0.087	21.24
5.6.9	0.010	0.077	21.12
5.6.8	0.007	0.087	20.80
5.6.7	0.010	0.077	20.73
5.6.6	0.007	0.073	20.69
5.6.5	0.013	0.063	20.57
5.6.4	0.010	0.060	20.52
5.6.3	0.003	0.050	20.68
5.6.2	0.007	0.087	20.61
5.6.1	0.023	0.043	20.60
5.6.0	0.000	0.077	20.69
5.5.38	0.007	0.040	20.68
5.5.37	0.007	0.050	20.69
5.5.36	0.007	0.080	20.69
5.5.35	0.007	0.080	20.53
5.5.34	0.010	0.083	21.03
5.5.33	0.003	0.093	21.14
5.5.32	0.007	0.077	20.86
5.5.31	0.003	0.057	20.88
5.5.30	0.013	0.037	21.03
5.5.29	0.013	0.067	20.91
5.5.28	0.007	0.053	21.06
5.5.27	0.007	0.087	20.98
5.5.26	0.007	0.070	20.93
5.5.25	0.007	0.077	20.90
5.5.24	0.003	0.070	20.61
5.5.23	0.010	0.080	20.32
5.5.22	0.010	0.043	20.58
5.5.21	0.017	0.077	20.53
5.5.20	0.007	0.070	20.52
5.5.19	0.010	0.073	20.27
5.5.18	0.000	0.100	20.39
5.5.16	0.000	0.047	20.36
5.5.15	0.013	0.073	20.37
5.5.14	0.010	0.080	20.48
5.5.13	0.017	0.047	20.54
5.5.12	0.003	0.053	20.28
5.5.11	0.010	0.040	20.58
5.5.10	0.017	0.070	20.21
5.5.9	0.017	0.043	20.18
5.5.8	0.013	0.073	20.27
5.5.7	0.003	0.070	20.15
5.5.6	0.003	0.067	20.30
5.5.5	0.007	0.080	20.38
5.5.4	0.010	0.077	20.08
5.5.3	0.013	0.053	20.38
5.5.2	0.013	0.080	20.35
5.5.1	0.007	0.067	20.36
5.5.0	0.003	0.080	20.08
5.4.45	0.000	0.093	19.68
5.4.44	0.017	0.080	19.26
5.4.43	0.013	0.067	19.47
5.4.42	0.007	0.083	19.51
5.4.41	0.010	0.043	19.52
5.4.40	0.017	0.070	19.11
5.4.39	0.013	0.073	19.11
5.4.38	0.007	0.050	18.95
5.4.37	0.003	0.087	19.02
5.4.36	0.000	0.070	19.14
5.4.35	0.013	0.073	19.18
5.4.34	0.017	0.083	19.01
5.4.32	0.007	0.040	19.16
5.4.31	0.010	0.077	19.02
5.4.30	0.007	0.077	19.18
5.4.29	0.013	0.070	19.19
5.4.28	0.007	0.040	19.16
5.4.27	0.010	0.063	19.22
5.4.26	0.010	0.080	19.36
5.4.25	0.010	0.073	19.21
5.4.24	0.023	0.073	19.25
5.4.23	0.010	0.070	19.22
5.4.22	0.007	0.057	19.24
5.4.21	0.017	0.037	19.42
5.4.20	0.007	0.080	19.22
5.4.19	0.020	0.057	19.00
5.4.18	0.003	0.073	19.08
5.4.17	0.007	0.057	19.18
5.4.16	0.007	0.073	19.07
5.4.15	0.010	0.060	19.27
5.4.14	0.003	0.067	16.70
5.4.13	0.013	0.073	16.50
5.4.12	0.010	0.077	16.69
5.4.11	0.007	0.077	16.48
5.4.10	0.007	0.073	16.46
5.4.9	0.020	0.070	16.54
5.4.8	0.010	0.070	16.59
5.4.7	0.007	0.040	16.66
5.4.6	0.007	0.067	16.64
5.4.5	0.010	0.037	16.63
5.4.4	0.003	0.070	16.56
5.4.3	0.003	0.053	16.44
5.4.2	0.003	0.047	16.56
5.4.1	0.003	0.057	16.72
5.4.0	0.007	0.060	16.15
5.3.29	0.007	0.060	15.09
5.3.28	0.013	0.040	14.80
5.3.27	0.003	0.047	14.81
5.3.26	0.013	0.073	15.03
5.3.25	0.017	0.077	14.77
5.3.24	0.007	0.073	14.79
5.3.23	0.010	0.080	14.91
5.3.22	0.003	0.043	14.77
5.3.21	0.007	0.047	14.86
5.3.20	0.000	0.043	14.86
5.3.19	0.013	0.073	14.77
5.3.18	0.000	0.050	14.77
5.3.17	0.013	0.057	14.78
5.3.16	0.003	0.050	14.99
5.3.15	0.003	0.047	14.78
5.3.14	0.003	0.080	14.93
5.3.13	0.013	0.070	14.96
5.3.12	0.003	0.053	14.83
5.3.11	0.003	0.087	14.84
5.3.10	0.013	0.073	14.23
5.3.9	0.007	0.077	14.33
5.3.8	0.003	0.087	14.22
5.3.7	0.010	0.070	14.34
5.3.6	0.007	0.040	14.29
5.3.5	0.010	0.087	14.03
5.3.4	0.007	0.077	14.18
5.3.3	0.010	0.070	14.01
5.3.2	0.003	0.043	13.96
5.3.1	0.013	0.067	13.84
5.3.0	0.007	0.073	14.06

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