Diff Report
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::start

Drupal\Core\Session\SessionManager::startRun #54e0a7d2151b1Run #54e0a6d45fe2aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,332 1,347 15 1.1%
Incl. Wall Time (microsec) per call 1,332 1,347 15 1.1%
Excl. Wall Time (microsec)41 45 4 9.8%
Incl. CPU (microsecs)1,179 1,194 15 1.3%
Incl. CPU (microsecs) per call 1,179 1,194 15 1.3%
Excl. CPU (microsec)29 32 3 10.3%
Incl. MemUse (bytes)129,736 129,752 16 0.0%
Incl. MemUse (bytes) per call 129,736 129,752 16 0.0%
Excl. MemUse (bytes)3,776 3,776 0 0.0%
Incl. PeakMemUse (bytes)166,048 166,088 40 0.0%
Incl. PeakMemUse (bytes) per call 166,048 166,088 40 0.0%
Excl. PeakMemUse (bytes)2,112 2,112 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% 15 2.0% 15 4.1% 16 0.2% 40 0.4%
Exclusive Metrics Diff for Current Function4 26.7% 3 20.0% 0 0.0% 0 0.0%
Parent function
Symfony\Component\HttpFoundation\Session\Session::start0 N/A% 15 100.0% 15 100.0% 16 100.0% 40 100.0%
Child functions
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 4 26.7% 4 26.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setId0 N/A% 3 20.0% 3 20.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::loadClass0 N/A% 3 20.0% 2 13.3% 0 0.0% 32 80.0%
Drupal\Core\Session\SessionConfiguration::hasSession0 N/A% -2 -13.3% 1 6.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setOptions0 N/A% 2 13.3% 3 20.0% 8 50.0% 0 0.0%
date_default_timezone_set0 N/A% -1 -6.7% -1 -6.7% 0 0.0% 0 0.0%
drupal_get_user_timezone0 N/A% 1 6.7% 1 6.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::loadSession0 N/A% 1 6.7% 1 6.7% 0 0.0% 0 0.0%
Drupal\Core\Session\AnonymousUserSession::__construct0 N/A% 0 0.0% -2 -13.3% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionConfiguration::getOptions0 N/A% 0 0.0% 1 6.7% 8 50.0% 8 20.0%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% 0 0.0% -1 -6.7% 0 0.0% 0 0.0%