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Bugs for Performance problem
ID# Date Last Modified Type Status PHP Version OS Summary Assigned
13860
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2001-10-28 15:34 UTC 2001-10-28 21:30 UTC Bug Closed 4.0.6 Windows 98 SE Bzip2 bzdecompress function is wery slow... jeroen
25007
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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
33070
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2005-05-19 17:22 UTC 2005-06-05 20:06 UTC Bug Closed 5.*, 4.* Linux 2.6.10 kernel bzdecompress inefficient iliaa
37563
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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
46039
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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
47643
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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
40002
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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
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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
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2007-03-14 23:51 UTC 2007-03-20 06:48 UTC Bug Closed 5.2.1 Linux Poor perfomance of ".=" dmitry
41713
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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
44069
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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
50486
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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
50894
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2010-02-01 06:13 UTC 2015-04-06 15:42 UTC Req Closed 5.*, 6 * no-op cast triggers copy-on-write (ternary operator triggers copy too) dmitry
60139
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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
67124
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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
70098
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2015-07-18 20:43 UTC 2020-09-17 13:23 UTC Bug Closed 7.0.0beta1 Ubuntu 15.04, OSX 10.10.4 Real memory usage doesn't decrease dmitry
65410
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2013-08-07 08:27 UTC 2015-04-15 14:00 UTC Req Closed 5.5.1 All Add call_func() syntax cmb
73425
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2016-10-31 05:34 UTC 2021-08-19 13:35 UTC Req Closed 7.0.12   get_headers() and default GET requests cmb
76099
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2018-03-15 08:59 UTC 2018-06-25 00:24 UTC Bug Closed 7.2.3 windows 7 64bit HTML <select> tag request problem at PHP server side cmb
79008
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2019-12-20 15:23 UTC 2019-12-20 15:23 UTC Bug Closed 7.4Git-2019-12-20 (Git) Windows General performance regression with PHP 7.4 on Windows cmb
79896
(edit)
2020-07-25 06:17 UTC 2020-07-31 06:39 UTC Bug Closed 7.4.8 Windows Server 2016 slower processing of non-fatal errors using custom error handler (7.4.7+) cmb
80061
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2020-09-04 16:29 UTC 2020-09-21 14:11 UTC Bug Closed 7.4Git-2020-09-04 (Git) * Copying large files may have suboptimal performance cmb
79856
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2020-07-14 07:36 UTC 2020-07-14 07:40 UTC Bug Closed 8.0.0alpha2 Windows 10 Pro for() terribly poor performance beberlei
174
(edit)
1998-03-14 21:17 UTC 1998-03-17 22:56 UTC Bug Closed 3.0 Latest CVS Linux: RedHat-5.0/Kernel-2.1.88 httpd process with PHP3 compiled in grow in size to approx. 100MB (wastefully)  
197
(edit)
1998-03-25 15:35 UTC 1998-03-28 12:20 UTC Bug Closed 3.0b6 IRIX 6.2 apache1.3 process grows > 50meg, coredumps, sometimes crashing machine.  
289
(edit)
1998-04-20 12:06 UTC 1998-04-24 10:23 UTC Bug Closed 3.0 Release Candidate 4 Solaris 2.5.1 PHP does not evaluate the () (Function call) operator correctly  
292
(edit)
1998-04-21 14:45 UTC 1998-05-01 14:37 UTC Bug Closed 3.0 Latest CVS Linux 2.0.27 Slackware GD1.3/Freetype issues  
325
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1998-04-28 19:12 UTC 1998-05-01 09:56 UTC Bug Closed 3.0 Release Candidate 4 Red Hat 5.0 JavaScript Errors  
351
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1998-05-06 11:05 UTC 1998-05-06 17:07 UTC Bug Closed 3.0 Release Candidate 4 Linux Hard math problems while using integers  
352
(edit)
1998-05-06 11:10 UTC 1998-05-06 17:11 UTC Bug Closed 3.0 Release Candidate 4 Linux Variable Variables  
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