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");