Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::save

Drupal\Core\Session\SessionManager::saveRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)99 94 -5 -5.1%
Incl. Wall Time (microsec) per call 99 94 -5 -5.1%
Excl. Wall Time (microsec)31 30 -1 -3.2%
Incl. CPU (microsecs)101 96 -5 -5.0%
Incl. CPU (microsecs) per call 101 96 -5 -5.0%
Excl. CPU (microsec)21 21 0 0.0%
Incl. MemUse (bytes)7,800 7,800 0 0.0%
Incl. MemUse (bytes) per call 7,800 7,800 0 0.0%
Excl. MemUse (bytes)1,352 1,352 0 0.0%
Incl. PeakMemUse (bytes)1,048 0 -1,048 -100.0%
Incl. PeakMemUse (bytes) per call 1,048 0 -1,048 -100.0%
Excl. PeakMemUse (bytes)636 0 -636 -100.0%

Parent/Child Regression/Improvement report for Drupal\Core\Session\SessionManager::save [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::save0 N/A% -5 -0.1% -5 -0.1% 0 0.0% -1,048 -1.1%
Exclusive Metrics Diff for Current Function-1 -20.0% 0 0.0% 0 N/A% -636 -60.7%
Parent function
Drupal\Core\Authentication\Provider\Cookie::cleanup0 N/A% -5 -100.0% -5 -100.0% 0 N/A% -1,048 -100.0%
Child functions
Drupal\Core\Session\SessionManager::isSessionObsolete0 N/A% -2 -40.0% -3 -60.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\Proxy\AbstractProxy::isActive0 N/A% -1 -20.0% -1 -20.0% 0 N/A% -412 -39.3%
Drupal\Core\Session\SessionManager::isEnabled0 N/A% -1 -20.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Session\UserSession::isAnonymous0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::getSaveHandler0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 0.0%