Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::initialize

Drupal\Core\Session\SessionManager::initializeRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,407 1,351 -56 -4.0%
Incl. Wall Time (microsec) per call 1,407 1,351 -56 -4.0%
Excl. Wall Time (microsec)112 119 7 6.2%
Incl. CPU (microsecs)1,102 1,186 84 7.6%
Incl. CPU (microsecs) per call 1,102 1,186 84 7.6%
Excl. CPU (microsec)75 74 -1 -1.3%
Incl. MemUse (bytes)54,104 54,104 0 0.0%
Incl. MemUse (bytes) per call 54,104 54,104 0 0.0%
Excl. MemUse (bytes)2,144 2,144 0 0.0%
Incl. PeakMemUse (bytes)55,112 55,092 -20 -0.0%
Incl. PeakMemUse (bytes) per call 55,112 55,092 -20 -0.0%
Excl. PeakMemUse (bytes)2,332 2,332 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Session\SessionManager::initialize [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Session\SessionManager::initialize0 N/A% -56 -3.6% 84 7.7% 0 0.0% -20 -2.9%
Exclusive Metrics Diff for Current Function7 12.5% -1 -1.2% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% -56 -100.0% 84 100.0% 0 N/A% -20 -100.0%
Child functions
drupal_get_user_timezone0 N/A% -105 -187.5% 35 41.7% 0 N/A% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 34 60.7% 32 38.1% 0 N/A% 0 0.0%
Drupal\Core\Session\AnonymousUserSession::__construct0 N/A% 9 16.1% 8 9.5% 0 N/A% -20 -100.0%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 4 7.1% 4 4.8% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setSaveHandler0 N/A% -3 -5.4% 5 6.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setId0 N/A% -2 -3.6% -4 -4.8% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\ParameterBag::has0 N/A% -1 -1.8% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% 1 1.8% 4 4.8% 0 N/A% 0 0.0%
date_default_timezone_set0 N/A% 0 0.0% 2 2.4% 0 N/A% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% 0 0.0% 2 2.4% 0 N/A% 0 0.0%
Drupal\Core\Session\SessionHandler::__construct0 N/A% 0 0.0% -1 -1.2% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\Handler\WriteCheckSessionHandler::__construct0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 0 0.0% -2 -2.4% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::getName0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%