Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::initialize

Drupal\Core\Session\SessionManager::initializeRun #53920b950c201Run #53920c043e98bDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,422 1,398 -24 -1.7%
Incl. Wall Time (microsec) per call 1,422 1,398 -24 -1.7%
Excl. Wall Time (microsec)102 122 20 19.6%
Incl. CPU (microsecs)1,110 1,094 -16 -1.4%
Incl. CPU (microsecs) per call 1,110 1,094 -16 -1.4%
Excl. CPU (microsec)71 93 22 31.0%
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)55,124 55,124 0 0.0%
Incl. PeakMemUse (bytes) per call 55,124 55,124 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% -24 -6.7% -16 -8.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function20 83.3% 22 137.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% -24 -100.0% -16 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% -37 -154.2% -31 -193.8% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setSaveHandler0 N/A% -3 -12.5% -3 -18.8% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% -2 -8.3% -2 -12.5% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -2 -8.3% -4 -25.0% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% 2 8.3% 2 12.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ParameterBag::has0 N/A% -1 -4.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionHandler::__construct0 N/A% -1 -4.2% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setId0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 0 0.0% 1 6.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\Handler\WriteCheckSessionHandler::__construct0 N/A% 0 0.0% -1 -6.2% 0 N/A% 0 N/A%
Drupal\Core\Session\AnonymousUserSession::__construct0 N/A% 0 0.0% 1 6.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% 0 0.0% 1 6.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::getName0 N/A% 0 0.0% -1 -6.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 0 0.0% -1 -6.2% 0 N/A% 0 N/A%