Diff Report
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d810c7abba: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::start

Drupal\Core\Session\SessionManager::startRun #560d7dac0c098Run #560d810c7abbaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)250 270 20 8.0%
Incl. Wall Time (microsec) per call 250 270 20 8.0%
Excl. Wall Time (microsec)20 21 1 5.0%
Incl. MemUse (bytes)38,536 38,536 0 0.0%
Incl. MemUse (bytes) per call 38,536 38,536 0 0.0%
Excl. MemUse (bytes)2,064 2,064 0 0.0%
Incl. PeakMemUse (bytes)33,656 33,656 0 0.0%
Incl. PeakMemUse (bytes) per call 33,656 33,656 0 0.0%
Excl. PeakMemUse (bytes)2,096 2,096 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Session\SessionManager::start0 N/A% 20 1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 5.0% 0 N/A% 0 N/A%
Parent function
Symfony\Component\HttpFoundation\Session\Session::start0 N/A% 20 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Session\SessionConfiguration::getOptions0 N/A% 10 50.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::loadSession0 N/A% 4 20.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setOptions0 N/A% 3 15.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setId0 N/A% 1 5.0% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionConfiguration::hasSession0 N/A% 1 5.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 0 0.0% 0 N/A% 0 N/A%