#44505 [Com]: include_once behavior when including UNC file
ID: 44505 Comment by: mh at nextra dot ch Reported By: lmeyer at ea dot com Status: Open Bug Type: Performance problem Operating System: windows 2003 PHP Version: 5.2CVS-2008-03-25 New Comment: It's still there in 5.3.0-dev. Previous Comments: [2008-04-02 19:05:43] mh at nextra dot ch Same here. Including a file with full path spec (i.e. k:\www\testserver.com\docs\inc.php) is the fastest here: include_once count in 5 sec: 1356 Simply including the same file witout giving the full path spec is extremly slow: include_once count in 5 sec: 170 [2008-03-25 21:38:24] lmeyer at ea dot com WIN PATH : //NAS/nas/www/adodb5/adodb.inc.php LNX PATH : NAS\\nas\\www\\adodb5\\adodb.inc.php REALPATH : using realpath as suggested in bug#44125 WIN PATH LNX PATH WIN PATH LNX PATH REALPATH REALPATH PHP 5.2 Dev Snap 200803252030 FIRST INCLUDE ONCE (sec) 0.04 0.05 0.05 0.06 5sec. INCLUDE_ONCE (count)295358152 288045 282244 It's way better :), but still the problem remains for linux style path without realpath. [2008-03-24 22:26:18] lmeyer at ea dot com Adding some results using php 5.2.3 and 5.2.5 : WIN PATH : //NAS/nas/www/adodb5/adodb.inc.php LNX PATH : NAS\\nas\\www\\adodb5\\adodb.inc.php REALPATH : using realpath as suggested in bug#44125 WIN PATH LNX PATH WIN PATH LNX PATH REALPATH REALPATH PHP 5.2.3 FIRST INCLUDE ONCE (sec) 0.05 0.02 0.07 0.06 5sec. INCLUDE_ONCE (count)250 338488232332800 PHP 5.2.5 FIRST INCLUDE ONCE (sec) 0.08 0.07 0.06 0.14 5sec. INCLUDE_ONCE (count)215 228 310427 298643 [2008-03-23 12:06:23] [EMAIL PROTECTED] Maybe, related to bug#44125 [2008-03-22 17:53:14] lmeyer at ea dot com Description: When using include_once with an abolute UNC file path, it is really slow using php 5.2.5, php 5.2.4, and really fast using php 5.2.3 From the script below : PHP 5.2.5 : first include_once : //NAS/nas/www/adodb5/adodb.inc.php time (ms): 0.068962097167969 include_once count in 5 sec: 240 PHP 5.2.3 : first include_once : //NAS/nas/www/adodb5/adodb.inc.php time (ms): 0.030542135238647 include_once count in 5 sec: 376054 Thanks ! Lo. Reproduce code: --- ?php // CASE MATTER $absolutepath = '//NAS/nas/www/adodb5/adodb.inc.php'; $durationsec = 5.0; /// function sys_sinternal_microtime_float() { list($usec, $sec) = explode( , microtime()); return ((float)$usec + (float)$sec); } $t = sys_sinternal_microtime_float(); include_once('//NAS/nas/www/ea-land/private/prod/libs/adodb5/adodb.inc.php'); $t = sys_sinternal_microtime_float() - $t; echo 'first include_once : '.$absolutepath.'br'; echo 'time (ms): '.$t.'br'; $cnt = 0; $t = sys_sinternal_microtime_float(); while(sys_sinternal_microtime_float() - $t $durationsec) { $cnt++; include_once('//NAS/nas/www/ea-land/private/prod/libs/adodb5/adodb.inc.php'); } echo 'include_once count in '.$durationsec.' sec: '.$cnt; echo 'br'; ? Expected result: Include_once should include_once should only include a file once whitout doing extra processing as long as the file has an absolute path. Actual result: -- It's wotking well with php 5.2.3, but not anymore from php 5.2.4. -- Edit this bug report at http://bugs.php.net/?id=44505edit=1
#44505 [Com]: include_once behavior when including UNC file
ID: 44505 Comment by: mh at nextra dot ch Reported By: lmeyer at ea dot com Status: Open Bug Type: Performance problem Operating System: windows 2003 PHP Version: 5.2CVS-2008-03-25 New Comment: Same here. Including a file with full path spec (i.e. k:\www\testserver.com\docs\inc.php) is the fastest here: include_once count in 5 sec: 1356 Simply including the same file witout giving the full path spec is extremly slow: include_once count in 5 sec: 170 Previous Comments: [2008-03-25 21:38:24] lmeyer at ea dot com WIN PATH : //NAS/nas/www/adodb5/adodb.inc.php LNX PATH : NAS\\nas\\www\\adodb5\\adodb.inc.php REALPATH : using realpath as suggested in bug#44125 WIN PATH LNX PATH WIN PATH LNX PATH REALPATH REALPATH PHP 5.2 Dev Snap 200803252030 FIRST INCLUDE ONCE (sec) 0.04 0.05 0.05 0.06 5sec. INCLUDE_ONCE (count)295358152 288045 282244 It's way better :), but still the problem remains for linux style path without realpath. [2008-03-24 22:26:18] lmeyer at ea dot com Adding some results using php 5.2.3 and 5.2.5 : WIN PATH : //NAS/nas/www/adodb5/adodb.inc.php LNX PATH : NAS\\nas\\www\\adodb5\\adodb.inc.php REALPATH : using realpath as suggested in bug#44125 WIN PATH LNX PATH WIN PATH LNX PATH REALPATH REALPATH PHP 5.2.3 FIRST INCLUDE ONCE (sec) 0.05 0.02 0.07 0.06 5sec. INCLUDE_ONCE (count)250 338488232332800 PHP 5.2.5 FIRST INCLUDE ONCE (sec) 0.08 0.07 0.06 0.14 5sec. INCLUDE_ONCE (count)215 228 310427 298643 [2008-03-23 12:06:23] [EMAIL PROTECTED] Maybe, related to bug#44125 [2008-03-22 17:53:14] lmeyer at ea dot com Description: When using include_once with an abolute UNC file path, it is really slow using php 5.2.5, php 5.2.4, and really fast using php 5.2.3 From the script below : PHP 5.2.5 : first include_once : //NAS/nas/www/adodb5/adodb.inc.php time (ms): 0.068962097167969 include_once count in 5 sec: 240 PHP 5.2.3 : first include_once : //NAS/nas/www/adodb5/adodb.inc.php time (ms): 0.030542135238647 include_once count in 5 sec: 376054 Thanks ! Lo. Reproduce code: --- ?php // CASE MATTER $absolutepath = '//NAS/nas/www/adodb5/adodb.inc.php'; $durationsec = 5.0; /// function sys_sinternal_microtime_float() { list($usec, $sec) = explode( , microtime()); return ((float)$usec + (float)$sec); } $t = sys_sinternal_microtime_float(); include_once('//NAS/nas/www/ea-land/private/prod/libs/adodb5/adodb.inc.php'); $t = sys_sinternal_microtime_float() - $t; echo 'first include_once : '.$absolutepath.'br'; echo 'time (ms): '.$t.'br'; $cnt = 0; $t = sys_sinternal_microtime_float(); while(sys_sinternal_microtime_float() - $t $durationsec) { $cnt++; include_once('//NAS/nas/www/ea-land/private/prod/libs/adodb5/adodb.inc.php'); } echo 'include_once count in '.$durationsec.' sec: '.$cnt; echo 'br'; ? Expected result: Include_once should include_once should only include a file once whitout doing extra processing as long as the file has an absolute path. Actual result: -- It's wotking well with php 5.2.3, but not anymore from php 5.2.4. -- Edit this bug report at http://bugs.php.net/?id=44505edit=1