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Bugs for Performance problem
ID# Date Last Modified Type Status PHP Version OS Summary Assigned
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  
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  
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  
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  
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
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
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
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
38812
(edit)		 2006-09-13 15:58 UTC 2006-09-20 00:29 UTC Bug Closed 5CVS-2006-09-13 (snap) Linux (SuSE 9.2) array_key_exists is ~200x slower than 5.1.x  
37563
(edit)		 2006-05-23 17:16 UTC 2006-05-25 22:39 UTC Bug Closed 5CVS-2006-05-23 (snap) Linux array_key_exists performance is poor for &$array ilia
30295
(edit)		 2004-09-30 23:23 UTC 2006-01-01 21:54 UTC Bug Closed 5CVS, 4CVS (2005-06-20) * array_key_exists() makes a copy of the given array  
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  
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  
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
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  
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  
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  
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  
27215
(edit)		 2004-02-10 20:19 UTC 2004-06-11 09:07 UTC Bug Closed 5CVS-2004-02-10 (dev) Redhat 9 include in php5 is very slow  
27758
(edit)		 2004-03-29 15:05 UTC 2004-06-03 12:00 UTC Bug Closed 5CVS-2004-03-29 (dev) Windows 2000 SP4 High memory usage/leak  
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
27275
(edit)		 2004-02-16 07:38 UTC 2004-03-15 10:12 UTC Bug Closed 5CVS-2004-02-16 (4CVS) * Array->String cast takes serious performance hit, leaks like crazy  
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
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  
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
24074
(edit)		 2003-06-07 00:56 UTC 2003-06-07 04:08 UTC Bug Closed 4.3.1 UnixWare comp1 5 7.1.3 i386 x86a include(http://...) leaving files in /var/tmp  
22880
(edit)		 2003-03-25 12:43 UTC 2003-05-09 07:33 UTC Bug Closed 4.3.2-RC win98//freebsd//any? Performance loss of 50% form 4.0 to 4.3?  
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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