note 89574 added to function.hash
| From: | luka8088 at gmail dot com | Date: | Sat, 14 Mar 2009 11:20:23 +0000 |
| Subject: | note 89574 added to function.hash | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-151864@lists.php.net to get a copy of this message | ||
Performance test results on my laptop:
Results are here shorten to fit php web notes ...
This was tested with 1024000 bytes (1000 KB) of random data, md4 always gets the first place, and
md2 always get the last place :)
Results: (in microseconds)
1. md4 5307.912
2. md5 6890.058
3. crc32b 7298.946
4. crc32 7561.922
5. sha1 8886.098
6. tiger128,3 11054.992
7. haval192,3 11132.955
8. haval224,3 11160.135
9. tiger160,3 11162.996
10. haval160,3 11242.151
11. haval256,3 11327.981
12. tiger192,3 11630.058
13. haval128,3 11880.874
14. tiger192,4 14776.945
15. tiger128,4 14871.12
16. tiger160,4 14946.937
17. haval160,4 15661.954
18. haval192,4 15717.029
19. haval256,4 15759.944
20. adler32 15796.184
21. haval128,4 15887.022
22. haval224,4 16047.954
23. ripemd256 16245.126
24. haval160,5 17818.927
25. haval128,5 17887.115
26. haval224,5 18085.002
27. haval192,5 18135.07
28. haval256,5 18678.903
29. sha256 19020.08
30. ripemd128 20671.844
31. ripemd160 21853.923
32. ripemd320 22425.889
33. sha384 45102.119
34. sha512 45655.965
35. gost 57237.148
36. whirlpool 64682.96
37. snefru 80352.783
38. md2 705397.844
Code for generating this:
(compatible both with browser and cli mode)
<pre>
<?php
echo 'Building random data ...' . PHP_EOL;
@ob_flush();flush();
$data = '';
for ($i = 0; $i < 64000; $i++)
$data .= hash('md5', rand(), true);
echo strlen($data) . ' bytes of random data built !' . PHP_EOL . PHP_EOL . 'Testing
hash algorithms ...' . PHP_EOL;
@ob_flush();flush();
$results = array();
foreach (hash_algos() as $v) {
echo $v . PHP_EOL;
@ob_flush();flush();
$time = microtime(true);
hash($v, $data, false);
$time = microtime(true) - $time;
$results[$time * 1000000000][] = "$v (hex)";
$time = microtime(true);
hash($v, $data, true);
$time = microtime(true) - $time;
$results[$time * 1000000000][] = "$v (raw)";
}
ksort($results);
echo PHP_EOL . PHP_EOL . 'Results: ' . PHP_EOL;
$i = 1;
foreach ($results as $k => $v)
foreach ($v as $k1 => $v1)
echo ' ' . str_pad($i++ . '.', 4, ' ', STR_PAD_LEFT) . '
' . str_pad($v1, 30, ' ') . ($k / 1000) . ' microseconds' . PHP_EOL;
?>
</pre>
----
Server IP: 193.198.184.18
Probable Submitter: 89.201.177.57
----
Manual Page -- http://www.php.net/manual/en/function.hash.php
Edit -- https://master.php.net/note/edit/89574
Del: integrated -- https://master.php.net/note/delete/89574/integrated
Del: useless -- https://master.php.net/note/delete/89574/useless
Del: bad code -- https://master.php.net/note/delete/89574/bad+code
Del: spam -- https://master.php.net/note/delete/89574/spam
Del: non-english -- https://master.php.net/note/delete/89574/non-english
Del: in docs -- https://master.php.net/note/delete/89574/in+docs
Del: other reasons-- https://master.php.net/note/delete/89574
Reject -- https://master.php.net/note/reject/89574
Search -- https://master.php.net/manage/user-notes.php