xref: /PHP-5.5/Zend/micro_bench.php (revision ea5a61e3)
1<?php
2
3function hallo() {
4}
5
6function simpleucall($n) {
7  for ($i = 0; $i < $n; $i++)
8    hallo();
9}
10
11function simpleudcall($n) {
12  for ($i = 0; $i < $n; $i++)
13    hallo2();
14}
15
16function hallo2() {
17}
18
19function simpleicall($n) {
20  for ($i = 0; $i < $n; $i++)
21    func_num_args();
22}
23
24class Foo {
25	static $a = 0;
26	public $b = 0;
27	const TEST = 0;
28
29	static function read_static($n) {
30		for ($i = 0; $i < $n; ++$i) {
31			$x = self::$a;
32		}
33	}
34
35	static function write_static($n) {
36		for ($i = 0; $i < $n; ++$i) {
37			self::$a = 0;
38		}
39	}
40
41	static function isset_static($n) {
42		for ($i = 0; $i < $n; ++$i) {
43			$x = isset(self::$a);
44		}
45	}
46
47	static function empty_static($n) {
48		for ($i = 0; $i < $n; ++$i) {
49			$x = empty(self::$a);
50		}
51	}
52
53	static function f() {
54	}
55
56	static function call_static($n) {
57		for ($i = 0; $i < $n; ++$i) {
58			self::f();
59		}
60	}
61
62	function read_prop($n) {
63		for ($i = 0; $i < $n; ++$i) {
64			$x = $this->b;
65		}
66	}
67
68	function write_prop($n) {
69		for ($i = 0; $i < $n; ++$i) {
70			$this->b = 0;
71		}
72	}
73
74	function assign_add_prop($n) {
75		for ($i = 0; $i < $n; ++$i) {
76			$this->b += 2;
77		}
78	}
79
80	function pre_inc_prop($n) {
81		for ($i = 0; $i < $n; ++$i) {
82			++$this->b;
83		}
84	}
85
86	function pre_dec_prop($n) {
87		for ($i = 0; $i < $n; ++$i) {
88			--$this->b;
89		}
90	}
91
92	function post_inc_prop($n) {
93		for ($i = 0; $i < $n; ++$i) {
94			$this->b++;
95		}
96	}
97
98	function post_dec_prop($n) {
99		for ($i = 0; $i < $n; ++$i) {
100			$this->b--;
101		}
102	}
103
104	function isset_prop($n) {
105		for ($i = 0; $i < $n; ++$i) {
106			$x = isset($this->b);
107		}
108	}
109
110	function empty_prop($n) {
111		for ($i = 0; $i < $n; ++$i) {
112			$x = empty($this->b);
113		}
114	}
115
116	function g() {
117	}
118
119	function call($n) {
120		for ($i = 0; $i < $n; ++$i) {
121			$this->g();
122		}
123	}
124
125	function read_const($n) {
126		for ($i = 0; $i < $n; ++$i) {
127			$x = $this::TEST;
128		}
129	}
130
131}
132
133function read_static($n) {
134	for ($i = 0; $i < $n; ++$i) {
135		$x = Foo::$a;
136	}
137}
138
139function write_static($n) {
140	for ($i = 0; $i < $n; ++$i) {
141		Foo::$a = 0;
142	}
143}
144
145function isset_static($n) {
146	for ($i = 0; $i < $n; ++$i) {
147		$x = isset(Foo::$a);
148	}
149}
150
151function empty_static($n) {
152	for ($i = 0; $i < $n; ++$i) {
153		$x = empty(Foo::$a);
154	}
155}
156
157function call_static($n) {
158	for ($i = 0; $i < $n; ++$i) {
159		Foo::f();
160	}
161}
162
163function create_object($n) {
164	for ($i = 0; $i < $n; ++$i) {
165		$x = new Foo();
166	}
167}
168
169define('TEST', null);
170
171function read_const($n) {
172	for ($i = 0; $i < $n; ++$i) {
173		$x = TEST;
174	}
175}
176
177function read_auto_global($n) {
178	for ($i = 0; $i < $n; ++$i) {
179		$x = $_GET;
180	}
181}
182
183$g_var = 0;
184
185function read_global_var($n) {
186	for ($i = 0; $i < $n; ++$i) {
187		$x = $GLOBALS['g_var'];
188	}
189}
190
191function read_hash($n) {
192	$hash = array('test' => 0);
193	for ($i = 0; $i < $n; ++$i) {
194		$x = $hash['test'];
195	}
196}
197
198function read_str_offset($n) {
199	$str = "test";
200	for ($i = 0; $i < $n; ++$i) {
201		$x = $str[1];
202	}
203}
204
205function issetor($n) {
206	$val = array(0,1,2,3,4,5,6,7,8,9);
207	for ($i = 0; $i < $n; ++$i) {
208		$x = $val ?: null;
209	}
210}
211
212function issetor2($n) {
213	$f = false; $j = 0;
214	for ($i = 0; $i < $n; ++$i) {
215		$x = $f ?: $j + 1;
216	}
217}
218
219function ternary($n) {
220	$val = array(0,1,2,3,4,5,6,7,8,9);
221	$f = false;
222	for ($i = 0; $i < $n; ++$i) {
223		$x = $f ? null : $val;
224	}
225}
226
227function ternary2($n) {
228	$f = false; $j = 0;
229	for ($i = 0; $i < $n; ++$i) {
230		$x = $f ? $f : $j + 1;
231	}
232}
233
234/*****/
235
236function empty_loop($n) {
237	for ($i = 0; $i < $n; ++$i) {
238	}
239}
240
241function getmicrotime()
242{
243  $t = gettimeofday();
244  return ($t['sec'] + $t['usec'] / 1000000);
245}
246
247function start_test()
248{
249  ob_start();
250  return getmicrotime();
251}
252
253function end_test($start, $name, $overhead = null)
254{
255  global $total;
256  global $last_time;
257  $end = getmicrotime();
258  ob_end_clean();
259  $last_time = $end-$start;
260  $total += $last_time;
261  $num = number_format($last_time,3);
262  $pad = str_repeat(" ", 24-strlen($name)-strlen($num));
263  if (is_null($overhead)) {
264    echo $name.$pad.$num."\n";
265  } else {
266    $num2 = number_format($last_time - $overhead,3);
267    echo $name.$pad.$num."    ".$num2."\n";
268  }
269  ob_start();
270  return getmicrotime();
271}
272
273function total()
274{
275  global $total;
276  $pad = str_repeat("-", 24);
277  echo $pad."\n";
278  $num = number_format($total,3);
279  $pad = str_repeat(" ", 24-strlen("Total")-strlen($num));
280  echo "Total".$pad.$num."\n";
281}
282
283const N = 5000000;
284
285$t0 = $t = start_test();
286empty_loop(N);
287$t = end_test($t, 'empty_loop');
288$overhead = $last_time;
289simpleucall(N);
290$t = end_test($t, 'func()', $overhead);
291simpleudcall(N);
292$t = end_test($t, 'undef_func()', $overhead);
293simpleicall(N);
294$t = end_test($t, 'int_func()', $overhead);
295Foo::read_static(N);
296$t = end_test($t, '$x = self::$x', $overhead);
297Foo::write_static(N);
298$t = end_test($t, 'self::$x = 0', $overhead);
299Foo::isset_static(N);
300$t = end_test($t, 'isset(self::$x)', $overhead);
301Foo::empty_static(N);
302$t = end_test($t, 'empty(self::$x)', $overhead);
303read_static(N);
304$t = end_test($t, '$x = Foo::$x', $overhead);
305write_static(N);
306$t = end_test($t, 'Foo::$x = 0', $overhead);
307isset_static(N);
308$t = end_test($t, 'isset(Foo::$x)', $overhead);
309empty_static(N);
310$t = end_test($t, 'empty(Foo::$x)', $overhead);
311Foo::call_static(N);
312$t = end_test($t, 'self::f()', $overhead);
313call_static(N);
314$t = end_test($t, 'Foo::f()', $overhead);
315$x = new Foo();
316$x->read_prop(N);
317$t = end_test($t, '$x = $this->x', $overhead);
318$x->write_prop(N);
319$t = end_test($t, '$this->x = 0', $overhead);
320$x->assign_add_prop(N);
321$t = end_test($t, '$this->x += 2', $overhead);
322$x->pre_inc_prop(N);
323$t = end_test($t, '++$this->x', $overhead);
324$x->pre_dec_prop(N);
325$t = end_test($t, '--$this->x', $overhead);
326$x->post_inc_prop(N);
327$t = end_test($t, '$this->x++', $overhead);
328$x->post_dec_prop(N);
329$t = end_test($t, '$this->x--', $overhead);
330$x->isset_prop(N);
331$t = end_test($t, 'isset($this->x)', $overhead);
332$x->empty_prop(N);
333$t = end_test($t, 'empty($this->x)', $overhead);
334$x->call(N);
335$t = end_test($t, '$this->f()', $overhead);
336$x->read_const(N);
337$t = end_test($t, '$x = Foo::TEST', $overhead);
338create_object(N);
339$t = end_test($t, 'new Foo()', $overhead);
340read_const(N);
341$t = end_test($t, '$x = TEST', $overhead);
342read_auto_global(N);
343$t = end_test($t, '$x = $_GET', $overhead);
344read_global_var(N);
345$t = end_test($t, '$x = $GLOBALS[\'v\']', $overhead);
346read_hash(N);
347$t = end_test($t, '$x = $hash[\'v\']', $overhead);
348read_str_offset(N);
349$t = end_test($t, '$x = $str[0]', $overhead);
350issetor(N);
351$t = end_test($t, '$x = $a ?: null', $overhead);
352issetor2(N);
353$t = end_test($t, '$x = $f ?: tmp', $overhead);
354ternary(N);
355$t = end_test($t, '$x = $f ? $f : $a', $overhead);
356ternary2(N);
357$t = end_test($t, '$x = $f ? $f : tmp', $overhead);
358total($t0, "Total");
359