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Bugs for Performance problem
ID# Date Last Modified Type Status PHP Version OS Summary Assigned
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
50486
(edit)		 2009-12-16 01:30 UTC 2020-03-04 14:45 UTC Req Closed 5.3SVN-2009-12-16 (SVN) Solaris 10 [PATCH] optimization for safe_address on exotic platforms dmitry
50436
(edit)		 2009-12-10 10:15 UTC 2016-12-17 14:35 UTC Bug Closed 6SVN-2009-12-10 (SVN) Solaris 5.10 (SPARC) [PATCH] - Improving multi-threaded performance by propagating TSRMLS_C nikic
50086
(edit)		 2009-11-05 09:11 UTC 2009-11-05 10:39 UTC Bug Closed 6SVN-2009-11-05 (SVN) Solaris 5.10 (SPARC) [PATCH] - Avoid invoking setitimer when timeouts have been disabled  
4796
(edit)		 2000-06-03 19:11 UTC 2000-07-06 17:58 UTC Bug Closed 4.0.0 Release FreeBSD 4.0 WWW server runs on high loads all the time even with no requests at all.  
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  
490
(edit)		 1998-06-29 09:10 UTC 1998-07-10 13:03 UTC Bug Closed 3.0 Final Release WinNT 4.0 Win32 sendmail is very slow when specifying SMTP host as IP address  
4762
(edit)		 2000-06-01 19:57 UTC 2000-06-01 20:22 UTC Bug Closed 3.0.16 Win 98SE while() exits when substr() returns 0  
10285
(edit)		 2001-04-11 07:09 UTC 2001-05-10 05:47 UTC Bug Closed 4.0.4pl1 Windows 2000 Server When using php,the cpu is in 100% status!  
761
(edit)		 1998-09-20 00:14 UTC 1998-11-25 02:03 UTC Bug Closed 3.0.3 Linux 2.0.35 When compiled in as module, PHP will misreport the termination of httpd process rasmus
3235
(edit)		 2000-01-17 10:19 UTC 2001-02-10 14:32 UTC Bug Closed 3.0.12 linux redhat 6.0 wasting many time in indexing operations in large loop  
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  
2978
(edit)		 1999-12-15 05:36 UTC 1999-12-26 11:16 UTC Bug Closed 4.0 Beta 3 FreeBSD 3.2-RELEASE very high load averages / cpu usage  
352
(edit)		 1998-05-06 11:10 UTC 1998-05-06 17:11 UTC Bug Closed 3.0 Release Candidate 4 Linux Variable Variables  
3763
(edit)		 2000-03-08 07:46 UTC 2000-03-08 10:44 UTC Bug Closed 4.0 Beta 3 redhat 6.1 variable type-array error  
69703
(edit)		 2015-05-25 01:53 UTC 2015-06-18 13:59 UTC Req Closed 5.6Git-2015-05-25 (Git) Linux Use __builtin_clzl on PowerPC kalle
13094
(edit)		 2001-09-02 07:34 UTC 2002-03-07 13:28 UTC Bug Closed 4.0.6 Windows 2000 Upload very slow sniper
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  
52832
(edit)		 2010-09-14 02:46 UTC 2010-09-20 02:04 UTC Req Closed 5.3.3 Linux unserialize() performance kalle
70497
(edit)		 2015-09-15 04:01 UTC 2016-12-17 14:42 UTC Req Closed 5.6Git-2015-09-15 (Git) All Unnecessary HANDLE_BLOCK_INTERRUPTIONS leads to slowdown nikic
74851
(edit)		 2017-07-04 03:19 UTC 2017-07-19 17:53 UTC Req Closed 7.1.6 NetBSD uniqid() without more_entropy performs badly  
81090
(edit)		 2021-05-30 12:41 UTC 2021-05-31 10:17 UTC Bug Closed 7.4.19 Windows Typed property performance degradation with .= operator  
67124
(edit)		 2014-04-24 03:09 UTC 2014-08-27 10:01 UTC Bug Closed Irrelevant Linux Typecast (bool) $array slowdown according to array length 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
70749
(edit)		 2015-10-20 06:48 UTC 2015-10-31 04:15 UTC Bug Closed 7.0.0RC5 Linux Mint 17.2 try...catch with set_error_handler throttle all CPU cores overheat - freeze O/S  
19619
(edit)		 2002-09-26 10:49 UTC 2002-09-26 10:51 UTC Bug Closed 4.2.3 win 2000 The FORMS no longer work  
13291
(edit)		 2001-09-13 14:49 UTC 2002-01-02 14:01 UTC Bug Closed 4.0CVS-2001-09-13 SCO Openserver 5.0.x System Load very high  
10745
(edit)		 2001-05-09 05:13 UTC 2001-06-04 04:51 UTC Bug Closed 4.0.4pl1 HP-UX B.11.00 swap problems  
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
1327
(edit)		 1999-04-19 15:14 UTC 1999-04-20 01:43 UTC Bug Closed 3.0.7 linux-2.2.5-ac3 strtr() very slow  
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