Diff Report
Run #542229efabc5e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5422297e7f32f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::start

Drupal\Core\Session\SessionManager::startRun #542229efabc5eRun #5422297e7f32fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,446 1,423 -23 -1.6%
Incl. Wall Time (microsec) per call 1,446 1,423 -23 -1.6%
Excl. Wall Time (microsec)61 57 -4 -6.6%
Incl. CPU (microsecs)1,346 1,323 -23 -1.7%
Incl. CPU (microsecs) per call 1,346 1,323 -23 -1.7%
Excl. CPU (microsec)44 40 -4 -9.1%
Incl. MemUse (bytes)106,632 106,632 0 0.0%
Incl. MemUse (bytes) per call 106,632 106,632 0 0.0%
Excl. MemUse (bytes)4,936 4,936 0 0.0%
Incl. PeakMemUse (bytes)144,544 144,544 0 0.0%
Incl. PeakMemUse (bytes) per call 144,544 144,544 0 0.0%
Excl. PeakMemUse (bytes)2,712 2,712 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Session\SessionManager::start [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::start0 N/A% -23 -4.8% -23 -6.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -17.4% -4 -17.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% -23 -100.0% -23 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% -8 -34.8% -10 -43.5% 0 N/A% 0 N/A%
drupal_get_user_timezone0 N/A% -6 -26.1% -5 -21.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::loadSession0 N/A% -3 -13.0% -2 -8.7% 0 N/A% 0 N/A%
Drupal\Core\Session\AnonymousUserSession::__construct0 N/A% 2 8.7% 1 4.3% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% -2 -8.7% -3 -13.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% -1 -4.3% -2 -8.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setId0 N/A% -1 -4.3% 0 0.0% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 0 0.0% 1 4.3% 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%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::getName0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%