Diff Report
Run #539203c57074d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::initialize

Drupal\Core\Session\SessionManager::initializeRun #539203c57074dRun #539201f8938f4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,471 1,359 -112 -7.6%
Incl. Wall Time (microsec) per call 1,471 1,359 -112 -7.6%
Excl. Wall Time (microsec)106 114 8 7.5%
Incl. CPU (microsecs)1,148 1,166 18 1.6%
Incl. CPU (microsecs) per call 1,148 1,166 18 1.6%
Excl. CPU (microsec)75 80 5 6.7%
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 55,112 0 0.0%
Incl. PeakMemUse (bytes) per call 55,112 55,112 0 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% -112 -45.3% 18 3.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function8 7.1% 5 27.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% -112 -100.0% 18 100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% -119 -106.2% 12 66.7% 0 N/A% 0 N/A%
Drupal\Core\Session\AnonymousUserSession::__construct0 N/A% 11 9.8% 12 66.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::getName0 N/A% -9 -8.0% -10 -55.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setSaveHandler0 N/A% -3 -2.7% -4 -22.2% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -3 -2.7% -2 -11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setId0 N/A% 1 0.9% 2 11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% 1 0.9% 1 5.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 1 0.9% 2 11.1% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 0 0.0% 1 5.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 0 0.0% -1 -5.6% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% 0 0.0% 2 11.1% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionHandler::__construct0 N/A% 0 0.0% -1 -5.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\Handler\WriteCheckSessionHandler::__construct0 N/A% 0 0.0% -1 -5.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ParameterBag::has0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%