Diff Report
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::initialize

Drupal\Core\Session\SessionManager::initializeRun #534ad972c8c0dRun #534ad8dec7444DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,189 1,459 270 22.7%
Incl. Wall Time (microsec) per call 1,189 1,459 270 22.7%
Excl. Wall Time (microsec)89 113 24 27.0%
Incl. CPU (microsecs)973 1,205 232 23.8%
Incl. CPU (microsecs) per call 973 1,205 232 23.8%
Excl. CPU (microsec)58 77 19 32.8%
Incl. MemUse (bytes)42,320 42,320 0 0.0%
Incl. MemUse (bytes) per call 42,320 42,320 0 0.0%
Excl. MemUse (bytes)2,152 2,152 0 0.0%
Incl. PeakMemUse (bytes)44,492 44,492 0 0.0%
Incl. PeakMemUse (bytes) per call 44,492 44,492 0 0.0%
Excl. PeakMemUse (bytes)2,148 2,148 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% 270 18.6% 232 39.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function24 8.9% 19 8.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% 270 100.0% 232 100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% 112 41.5% 73 31.5% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 56 20.7% 58 25.0% 0 N/A% 0 N/A%
Drupal\Core\Session\AnonymousUserSession::__construct0 N/A% 33 12.2% 34 14.7% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 21 7.8% 22 9.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 9 3.3% 10 4.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% 5 1.9% 7 3.0% 0 N/A% 0 N/A%
session_set_save_handler0 N/A% 3 1.1% 4 1.7% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionHandler::__construct0 N/A% 3 1.1% 5 2.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ParameterBag::has0 N/A% 2 0.7% 0 0.0% 0 N/A% 0 N/A%
session_name0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 N/A%
session_id0 N/A% 1 0.4% 1 0.4% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 0 0.0% -1 -0.4% 0 N/A% 0 N/A%