#27126 [NEW]: Filling an array with php on Solaris is really slow.

From: mike at schreiber dot com Operating system: Solaris 6-10beta PHP version: Irrelevant PHP Bug Type: Performance problem Bug description: Filling an array with php on Solaris is really slow. Description: ------------ While filling an array with about 400.000 Elements on a solaris box took several seconds to be done. On other OS or for example Java und Sun took only a few mill-seconds. The debugger reports, that php ist trying to fetch memory for every element in the array. This is the reason why it get so slow. I have tried different Solaris Versions and different php versions. It is the compination of solaris and php. Linux und Solaris (same hardware) is much more faster. Reproduce code: --------------- <?php function GetMicrotime(){ list($microseconds, $seconds) = explode(" ",microtime()); return ((float)$microseconds + (float)$seconds); } $start = GetMicrotime(); $ende = GetMicrotime(); for($i=0;$i<50000;$i++) { $great_dump[] = array(1234,1234,1234); } $ende = GetMicrotime(); $time = $ende - $start; printf("%.10f",$time); echo "\n"; echo sizeof($great_dump); ?> Expected result: ---------------- less then one second Actual result: -------------- took me about 6,3 seconds Debugger: 0.1541 brk(0x003EC3A8) = 0 0.1542 brk(0x003EC3A8) = 0 0.1543 brk(0x003EE3A8) = 0 0.1544 brk(0x003EE3A8) = 0 0.1545 brk(0x003F03A8) = 0 0.1546 brk(0x003F03A8) = 0 0.1547 brk(0x003F23A8) = 0 0.1548 brk(0x003F23A8) = 0 0.1549 brk(0x003F43A8) = 0 0.1550 brk(0x003F43A8) = 0 0.1551 brk(0x003F63A8) = 0 continues about 3500 times -- Edit bug report at http://bugs.php.net/?id=27126&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=27126&r=trysnapshot4 Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=27126&r=trysnapshot5 Fixed in CVS: http://bugs.php.net/fix.php?id=27126&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=27126&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=27126&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=27126&r=needscript Try newer version: http://bugs.php.net/fix.php?id=27126&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=27126&r=support Expected behavior: http://bugs.php.net/fix.php?id=27126&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=27126&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=27126&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=27126&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=27126&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=27126&r=dst IIS Stability: http://bugs.php.net/fix.php?id=27126&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=27126&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=27126&r=float