#40559 [NEW]: UTF-8 PCRE process speed too slowly

From: hunreal at gmail dot com Operating system: FreeBSD 6.2, Windows PHP version: 5.2.1 PHP Bug Type: PCRE related Bug description: UTF-8 PCRE process speed too slowly Description: ------------ From PHP 5.2.0, I found the speed of PCRE process UTF-8 pattern is too slowly. Reproduce code: --------------- http://www.hshh.org/temp/test.phps Script is UTF-8 Simplified Chinese string pcre_replace testing. I was also tested replace PCRE lib of php 5.2.0 from 6.7 to 6.6 not bundled, no different result. Expected result: ---------------- FreeBSD, PHP 5.2.1, process time: 3.76s (dual p3-1.26G). Windows2003, PHP 5.2.0, process time: 17.91s (Pentium-M 1.7G) If I don't set 'pcre.backtrack_limit' to '-1', script will break pcre_replace. Actual result: -------------- PHP 5.1.6 at FreeBSD, process time: 0.93s -- Edit bug report at http://bugs.php.net/?id=40559&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40559&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40559&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40559&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40559&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40559&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40559&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40559&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40559&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40559&r=support Expected behavior: http://bugs.php.net/fix.php?id=40559&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40559&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40559&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40559&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40559&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40559&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40559&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40559&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40559&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40559&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40559&r=mysqlcfg