PHP的纯CPU基准测试(PHP5.5.9 vs PHP7.2.1):
1.bench.php 可在PHP源代码的 php-src/Zend 目录
2.micro_bench.php 也可以在 PHP 源代码发布的 php-src/Zend 目录中找到
3.同时使用Unix time 命令来计时
time php micro_bench.php
PHP5.5.9结果:
empty_loop 0.124 func() 0.424 0.300 undef_func() 0.422 0.298 int_func() 0.343 0.219 $x = self::$x 0.277 0.153 self::$x = 0 0.351 0.227 isset(self::$x) 0.469 0.345 empty(self::$x) 0.498 0.374 $x = Foo::$x 0.286 0.162 Foo::$x = 0 0.271 0.147 isset(Foo::$x) 0.319 0.195 empty(Foo::$x) 0.360 0.236 self::f() 1.304 1.180 Foo::f() 1.396 1.272 $x = $this->x 0.392 0.268 $this->x = 0 0.500 0.376 $this->x += 2 0.434 0.310 ++$this->x 0.271 0.147 --$this->x 0.221 0.097 $this->x++ 0.279 0.155 $this->x-- 0.244 0.120 isset($this->x) 0.238 0.114 empty($this->x) 0.240 0.116 $this->f() 0.711 0.587 $x = Foo::TEST 0.519 0.395 new Foo() 0.886 0.762 $x = TEST 0.204 0.080 $x = $_GET 0.250 0.126 $x = $GLOBALS['v'] 0.421 0.297 $x = $hash['v'] 0.254 0.130 $x = $str[0] 0.362 0.238 $x = $a ?: null 0.248 0.124 $x = $f ?: tmp 0.331 0.207 $x = $f ? $f : $a 0.255 0.131 $x = $f ? $f : tmp 0.333 0.209 ------------------------ Total 14.441 real 0m14.498s user 0m12.110s sys 0m0.024s
PHP7.2.1结果:
empty_loop 0.066 func() 0.302 0.236 undef_func() 0.505 0.439 int_func() 0.258 0.192 $x = self::$x 0.269 0.203 self::$x = 0 0.223 0.157 isset(self::$x) 0.212 0.146 empty(self::$x) 0.213 0.147 $x = Foo::$x 0.220 0.154 Foo::$x = 0 0.168 0.102 isset(Foo::$x) 0.100 0.034 empty(Foo::$x) 0.116 0.050 self::f() 0.183 0.117 Foo::f() 0.120 0.054 $x = $this->x 0.099 0.033 $this->x = 0 0.065 0.000 $this->x += 2 0.125 0.059 ++$this->x 0.100 0.034 --$this->x 0.082 0.017 $this->x++ 0.120 0.054 $this->x-- 0.160 0.094 isset($this->x) 0.173 0.107 empty($this->x) 0.163 0.097 $this->f() 0.135 0.069 $x = Foo::TEST 0.125 0.059 new Foo() 0.337 0.271 $x = TEST 0.074 0.008 $x = $_GET 0.121 0.055 $x = $GLOBALS['v'] 0.185 0.119 $x = $hash['v'] 0.153 0.087 $x = $str[0] 0.119 0.053 $x = $a ?: null 0.098 0.032 $x = $f ?: tmp 0.107 0.041 $x = $f ? $f : $a 0.101 0.035 $x = $f ? $f : tmp 0.095 0.029 ------------------------ Total 5.694 real 0m5.756s user 0m4.521s sys 0m0.028s
性能提升接近三倍
micro_bench.php 测试脚本
<?php function hallo() { } function simpleucall($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");
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/12576.html