From: basant dot kukreja at gmail dot com Operating system: Solaris 10 PHP version: 5.2.9 PHP Bug Type: Performance problem Bug description: Compile time computation of hash value decrease hash lookup time.
Description: ------------ In specweb ecommerce php benchmark, hash lookup consumes a lot of time. For a 30 minutes measurement : Excl. Incl. Name User CPU User CPU sec. sec. 434.304 914.980 zend_fetch_dimension_address 136.195 427.119 zend_get_property_info 914 seconds (13 % of user time) are spent in zend_fetch_dimension_address out of total 6947 seconds. Reproduce code: --------------- specweb benchmark. Expected result: ---------------- Low time spent in zend_fetch_dimension_address and zend_get_property_info Actual result: -------------- Time spend in zend_fetch_dimension_address and zend_get_property_info is very high. -- Edit bug report at http://bugs.php.net/?id=47815&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=47815&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=47815&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=47815&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=47815&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=47815&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=47815&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=47815&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=47815&r=needscript Try newer version: http://bugs.php.net/fix.php?id=47815&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=47815&r=support Expected behavior: http://bugs.php.net/fix.php?id=47815&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=47815&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=47815&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=47815&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=47815&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=47815&r=dst IIS Stability: http://bugs.php.net/fix.php?id=47815&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=47815&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=47815&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=47815&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=47815&r=mysqlcfg