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Bugs for Performance problem
ID# Date Last Modified Type Status PHP Version OS Summary Assigned
79856
(edit)		 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
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
79008
(edit)		 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
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  
6279
(edit)		 2000-08-21 13:06 UTC 2000-12-07 11:31 UTC Bug Closed 4.0.1pl2 Windiows NT 4.0 SP5 "include" behaves *very* slowly (only with PHP4)  
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?  
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
6471
(edit)		 2000-08-31 13:33 UTC 2001-01-15 15:52 UTC Bug Closed 4.0.2 Win2k Duplicate/redundant ISAPI variable requests  
19672
(edit)		 2002-09-30 06:38 UTC 2002-09-30 06:41 UTC Bug Closed 4.2.3 win2k about GetImageSize()  
21185
(edit)		 2002-12-25 23:36 UTC 2003-01-26 03:52 UTC Bug Closed 4.2.3 win2k mail() is slow  
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
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  
9260
(edit)		 2001-02-14 09:13 UTC 2001-02-14 09:19 UTC Bug Closed 4.0.4pl1 Win NT, Service Pack 6, Apache 3 Strange effects ...  
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  
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  
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  
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  
76867
(edit)		 2018-09-12 08:11 UTC 2020-03-04 21:25 UTC Bug Closed 7.2.9 Ubuntu 18.04.1 LTS Extremely slow performance nikic
74245
(edit)		 2017-03-14 10:09 UTC 2017-03-17 12:22 UTC Req Closed 7.1.2 Ubuntu 16.04 No other ways to get all constants from class but using reflection  
70098
(edit)		 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
17166
(edit)		 2002-05-12 13:12 UTC 2002-05-12 13:19 UTC Bug Closed 4.2.0 TurboLinux phpinfo() is slow  
2899
(edit)		 1999-12-03 02:58 UTC 1999-12-26 11:18 UTC Bug Closed 3.0.12 SunOS 5.6 apache 1.3.6 / php3  
2806
(edit)		 1999-11-23 22:33 UTC 1999-12-26 11:15 UTC Bug Closed 4.0 Beta 3 Sun ultra spac Processor Usage  
1755
(edit)		 1999-07-20 12:34 UTC 1999-07-21 05:03 UTC Bug Closed 4.0 Beta 1 Sparc Solaris 2.7 base64_decode uses inefficient algorithm  
11444
(edit)		 2001-06-12 16:40 UTC 2001-06-27 22:40 UTC Bug Closed 4.0.5 Solaris 7 PHP puts heavy load on apaches httpd  
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  
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
3870
(edit)		 2000-03-19 07:37 UTC 2000-03-19 09:19 UTC Bug Closed 3.0.15 Solaris 2.7 Keep-alive connections hang  
9294
(edit)		 2001-02-16 03:57 UTC 2001-04-29 13:18 UTC Bug Closed 4.0.2 Solaris 2.6, 7, 8 and Windows 20 File uploads take ~70 times longer than downloading files on Apache/PHP.  
593
(edit)		 1998-07-29 00:07 UTC 1998-09-02 16:52 UTC Bug Closed 3.0.2a Solaris 2.6 x86 run away children w/libphp3.so enabled  
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