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Bugs for Performance problem
ID# Date Last Modified Type Status PHP Version OS Summary Assigned
63699
(edit)		 2012-12-05 15:52 UTC 2013-01-06 02:12 UTC Bug Closed 5.4.9 * Poor date()/etc performance [PATCH] lstrojny
63160
(edit)		 2012-09-25 08:09 UTC 2019-07-17 12:58 UTC Bug Closed 5.4.7 GNU/Linux Lot of fstat call during include nikic
66939
(edit)		 2014-03-21 20:07 UTC 2016-12-17 15:29 UTC Bug Closed 5.4.26 Debian Wheezy memory leak when assigning big arrays of objects to variable while iterating nikic
64935
(edit)		 2013-05-28 10:07 UTC 2014-11-19 12:29 UTC Bug Closed 5.4.15 GNU/Linux Huge memory usage on unknown Content-Type mike
60139
(edit)		 2011-10-26 10:36 UTC 2011-11-02 06:31 UTC Bug Closed 5.4.0beta2   Anonymous functions create cycles not detected by the GC dmitry
62529
(edit)		 2012-07-11 09:10 UTC 2012-07-11 13:02 UTC Bug Closed 5.3.15RC1 Windows Static Methods are Slower than Object Defined Methods johannes
41713
(edit)		 2007-06-16 16:48 UTC 2007-07-25 11:15 UTC Bug Closed 5.2CVS-2007-07-12 win32 only Persistent memory consumption since 5.2 dmitry
45042
(edit)		 2008-05-19 22:13 UTC 2008-05-26 20:17 UTC Bug Closed 5.2.6 Vista (any version) Vista & mySQL Extension = slowdown when PHP finalizes  
45942
(edit)		 2008-08-28 17:36 UTC 2008-09-03 21:05 UTC Bug Closed 5.2.6 Fedora Core 6 D_FILE_OFFSET_BITS=64 causes PHP to run at half speed  
46039
(edit)		 2008-09-10 07:00 UTC 2008-11-19 14:45 UTC Bug Closed 5.2.6 Mac OS X 10.5.4 ArrayObject iteration is slow helly
46102
(edit)		 2008-09-17 04:17 UTC 2008-10-31 15:55 UTC Bug Closed 5.2.6 Windows XP getenv() memory leak  
46103
(edit)		 2008-09-17 04:26 UTC 2017-10-10 16:11 UTC Bug Closed 5.2.6 Windows XP ReflectionObject memory leak  
44069
(edit)		 2008-02-07 13:39 UTC 2008-02-14 15:20 UTC Bug Closed 5.2.5 * Huge memory usage with concatenation using . instead of .= dmitry
44160
(edit)		 2008-02-18 19:45 UTC 2009-09-21 20:08 UTC Bug Closed 5.2.5 Windows Server 2003 Windows Scheduled Task Hangs when using php-win.exe  
40809
(edit)		 2007-03-14 23:51 UTC 2007-03-20 06:48 UTC Bug Closed 5.2.1 Linux Poor perfomance of ".=" dmitry
40002
(edit)		 2007-01-02 19:47 UTC 2007-01-09 15:07 UTC Bug Closed 5.2.0 Windows XP 32bit Try/Catch performs poorly dmitry
40261
(edit)		 2007-01-28 00:30 UTC 2007-03-20 07:14 UTC Bug Closed 5.2.0 All Extremely slow data handling due to memory fragmentation dmitry
35658
(edit)		 2005-12-13 12:57 UTC 2005-12-13 13:44 UTC Bug Closed 5.1.1 Windows XP date function slower than in 5.0.5  
31515
(edit)		 2005-01-12 13:48 UTC 2005-02-22 01:24 UTC Bug Closed 5.0.3 Linux 2.4.28 (Gentoo) scandir() is slower than user-function  
28866
(edit)		 2004-06-21 13:15 UTC 2005-02-15 11:30 UTC Bug Closed 5.0.0RC3 Linux 2.4 / glibc 2.3 array of objs filling slowness  
27176
(edit)		 2004-02-07 06:29 UTC 2004-02-23 15:00 UTC Bug Closed 5.0.0b3 (beta3) Slackware 9.1 Linux 2.6.1 kernel str_replace tries to use obscene amounts of ram pollita
29255
(edit)		 2004-07-19 12:03 UTC 2005-02-17 13:03 UTC Bug Closed 5.0.0 Windows 2000 Stat much slower on network files in PHP5  
47643
(edit)		 2009-03-13 11:49 UTC 2010-11-01 18:18 UTC Bug Closed 5.*, 6CVS (2009-04-13) * array_diff() takes over 3000 times longer than php 5.2.4 felipe
33070
(edit)		 2005-05-19 17:22 UTC 2005-06-05 20:06 UTC Bug Closed 5.*, 4.* Linux 2.6.10 kernel bzdecompress inefficient iliaa
19749
(edit)		 2002-10-04 03:21 UTC 2004-04-21 14:04 UTC Bug Closed 4CVS-2002-10-04 All shouldn't mmap() files larger than memory_limit in _php_stream_passthru wez
31332
(edit)		 2004-12-29 12:30 UTC 2005-01-16 09:51 UTC Bug Closed 4CVS, 5CVS (2005-01-04) * unserialize() works terribly slow on huge strings compared to 4.3.9  
35054
(edit)		 2005-11-01 18:41 UTC 2005-11-01 23:13 UTC Bug Closed 4.4.1RC1 Linux Heavy "Random" Lag During foreach loop  
25007
(edit)		 2003-08-10 18:20 UTC 2003-08-10 19:43 UTC Bug Closed 4.3.3RC3 Linux rand & mt_rand seed RNG every call iliaa
25828
(edit)		 2003-10-10 16:01 UTC 2003-10-14 10:19 UTC Bug Closed 4.3.3 win2000 enormus time get result from fgets via fsocketopen  
22721
(edit)		 2003-03-15 00:38 UTC 2003-04-28 08:48 UTC Bug Closed 4.3.2-RC win2k _php_stream_copy_to_mem performance sucks on systems without mmap support wez
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