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joshuaadickerson/Test1.php

Created August 26, 2015 02:17
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I am getting a memory exhaustion while creating objects that aren't assigned to variables. This is the tests for that
Raw
Test1.php
<?php
/** RESULTS: Closures and str_repeat()
php /var/www/BBC/Test.php
Test started
0 || 263152
1000 || 485437312
2000 || 970686632
3000 || 1458032936
4000 || 1941184936
5000 || 2432725544
Killed
*/
class Test
{
public $test;
public $closures = array();
public function __construct()
{
$this->repeat();
$this->closures();
}
public function repeat()
{
$this->test = str_repeat('lorem ipsum lorem ipsum lorem ipsum lorem ipsum', 10000);
}
public function closures()
{
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
}
}
set_time_limit(0);
echo "Test started\n";
for($i = 0; $i < 1000000; $i++)
{
if ($i % 1000 === 0)
{
echo $i . ' || ' . memory_get_peak_usage() . "\n";
}
new Test;
}
?>Test complete
Raw
Test2.php
<?php
/** RESULTS no closures
What's the difference between 0, 100k, and 200k?
# php /var/www/BBC/Test.php
Test started
0 || 262816
100000 || 723208
200000 || 723248
300000 || 723248
400000 || 723248
500000 || 723248
600000 || 723248
700000 || 723248
800000 || 723248
900000 || 723248
Test complete
*/
class Test
{
public $test;
public $closures = array();
public function __construct()
{
$this->repeat();
//$this->closures();
}
public function repeat()
{
$this->test = str_repeat('lorem ipsum lorem ipsum lorem ipsum lorem ipsum', 10000);
}
public function closures()
{
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
}
}
set_time_limit(0);
echo "Test started\n";
for($i = 0; $i < 1000000; $i++)
{
if ($i % 100000 === 0)
{
echo $i . ' || ' . memory_get_peak_usage() . "\n";
}
new Test;
}
?>Test complete
Raw
Test3.php
<?php
/** RESULTS no str_repeat()
# php /var/www/BBC/Test.php
Test started
0 || 263256
100000 || 164567160
200000 || 164567656
300000 || 164568416
400000 || 164569400
500000 || 164569896
600000 || 164570648
700000 || 164571368
800000 || 164572136
900000 || 164573608
Test complete
*/
class Test
{
public $test;
public $closures = array();
public function __construct()
{
//$this->repeat();
$this->closures();
}
public function repeat()
{
$this->test = str_repeat('lorem ipsum lorem ipsum lorem ipsum lorem ipsum', 10000);
}
public function closures()
{
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
$this->closures[] = function() { echo 'this is just a closure'; };
}
}
set_time_limit(0);
echo "Test started\n";
for($i = 0; $i < 1000000; $i++)
{
if ($i % 100000 === 0)
{
echo $i . ' || ' . memory_get_peak_usage() . "\n";
}
new Test;
}
?>Test complete
Raw
Test4.php
<?php
/** RESULTS no str_repeat() with closures being assigned to a local variable, not a property
# php /var/www/BBC/Test.php
Test started
0 || 262216
100000 || 262216
200000 || 262216
300000 || 262216
400000 || 262216
500000 || 262216
600000 || 262216
700000 || 262216
800000 || 262216
900000 || 262216
Test complete
*/
class Test
{
public $test;
public $closures = array();
public function __construct()
{
//$this->repeat();
$this->closures();
}
public function repeat()
{
$this->test = str_repeat('lorem ipsum lorem ipsum lorem ipsum lorem ipsum', 10000);
}
public function closures()
{
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
$closure = function() { echo 'this is just a closure'; };
}
}
set_time_limit(0);
echo "Test started\n";
for($i = 0; $i < 1000000; $i++)
{
if ($i % 100000 === 0)
{
echo $i . ' || ' . memory_get_peak_usage() . "\n";
}
new Test;
}
?>Test complete
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