Diff Report
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #52f5cbc19a0d8Run #52f5cb0964fa0DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)1,106 1,123 17 1.5%
Incl. Wall Time (microsec) per call 553 562 9 1.5%
Excl. Wall Time (microsec)82 79 -3 -3.7%
Incl. CPU (microsecs)959 975 16 1.7%
Incl. CPU (microsecs) per call 480 488 8 1.7%
Excl. CPU (microsec)51 52 1 2.0%
Incl. MemUse (bytes)75,664 75,672 8 0.0%
Incl. MemUse (bytes) per call 37,832 37,836 4 0.0%
Excl. MemUse (bytes)4,696 4,720 24 0.5%
Incl. PeakMemUse (bytes)189,600 189,784 184 0.1%
Incl. PeakMemUse (bytes) per call 94,800 94,892 92 0.1%
Excl. PeakMemUse (bytes)2,480 2,480 0 0.0%

Parent/Child Regression/Improvement report for drupal_session_initialize [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_session_initialize0 N/A% 17 18.3% 16 8.2% 8 0.0% 184 0.6%
Exclusive Metrics Diff for Current Function-3 -17.6% 1 6.2% 24 300.0% 0 0.0%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% 17 100.0% 16 100.0% 8 100.0% 184 100.0%
Child functions
Drupal\Component\Utility\Crypt::hashBase640 N/A% 12 70.6% 13 81.2% 0 0.0% 0 0.0%
drupal_anonymous_user0 N/A% 3 17.6% 2 12.5% 0 0.0% 168 91.3%
session_set_save_handler0 N/A% 2 11.8% 0 0.0% -16 -200.0% 0 0.0%
session_id0 N/A% 1 5.9% 2 12.5% 0 0.0% 0 0.0%
session_name0 N/A% 1 5.9% 0 0.0% 0 0.0% -48 -26.1%
Drupal::request0 N/A% 1 5.9% -1 -6.2% 0 0.0% 64 34.8%
date_default_timezone_set0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
drupal_get_user_timezone0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 0 0.0% 1 6.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 0 0.0% -1 -6.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ParameterBag::has0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
mt_rand0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
uniqid0 N/A% 0 0.0% -1 -6.2% 0 0.0% 0 0.0%