Diff Report
Run #560d8088818a3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::start

Drupal\Core\Session\SessionManager::startRun #560d8088818a3Run #560d7dac0c098DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)244 250 6 2.5%
Incl. Wall Time (microsec) per call 244 250 6 2.5%
Excl. Wall Time (microsec)19 20 1 5.3%
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)33,536 33,656 120 0.4%
Incl. PeakMemUse (bytes) per call 33,536 33,656 120 0.4%
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% 6 0.0% 0 0.0% 120 0.4%
Exclusive Metrics Diff for Current Function1 16.7% 0 N/A% 0 0.0%
Parent function
Symfony\Component\HttpFoundation\Session\Session::start0 N/A% 6 100.0% 0 N/A% 120 100.0%
Child functions
Drupal\Core\Session\SessionConfiguration::getOptions0 N/A% 6 100.0% 0 N/A% 144 120.0%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 3 50.0% 0 N/A% 56 46.7%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setOptions0 N/A% -2 -33.3% 0 N/A% -80 -66.7%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::loadSession0 N/A% -1 -16.7% 0 N/A% 0 0.0%
Drupal\Core\Session\SessionConfiguration::hasSession0 N/A% -1 -16.7% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setId0 N/A% 0 0.0% 0 N/A% 0 0.0%