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

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