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

drupal_session_initializeRun #52f5cb0964fa0Run #52f5cbc19a0d8DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)1,123 1,106 -17 -1.5%
Incl. Wall Time (microsec) per call 562 553 -9 -1.5%
Excl. Wall Time (microsec)79 82 3 3.8%
Incl. CPU (microsecs)975 959 -16 -1.6%
Incl. CPU (microsecs) per call 488 480 -8 -1.6%
Excl. CPU (microsec)52 51 -1 -1.9%
Incl. MemUse (bytes)75,672 75,664 -8 -0.0%
Incl. MemUse (bytes) per call 37,836 37,832 -4 -0.0%
Excl. MemUse (bytes)4,720 4,696 -24 -0.5%
Incl. PeakMemUse (bytes)189,784 189,600 -184 -0.1%
Incl. PeakMemUse (bytes) per call 94,892 94,800 -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 Function3 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%