Diff Report
Run #52f5c11235c73: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #52f5c11235c73Run #52f5c0b2e882aDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)1,126 1,115 -11 -1.0%
Incl. Wall Time (microsec) per call 563 558 -6 -1.0%
Excl. Wall Time (microsec)75 76 1 1.3%
Incl. CPU (microsecs)977 961 -16 -1.6%
Incl. CPU (microsecs) per call 489 481 -8 -1.6%
Excl. CPU (microsec)53 61 8 15.1%
Incl. MemUse (bytes)75,680 75,664 -16 -0.0%
Incl. MemUse (bytes) per call 37,840 37,832 -8 -0.0%
Excl. MemUse (bytes)4,704 4,688 -16 -0.3%
Incl. PeakMemUse (bytes)189,720 189,576 -144 -0.1%
Incl. PeakMemUse (bytes) per call 94,860 94,788 -72 -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% -11 -2.6% -16 -6.8% -16 -0.0% -144 -0.3%
Exclusive Metrics Diff for Current Function1 9.1% 8 50.0% -16 -100.0% 0 0.0%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% -11 -100.0% -16 -100.0% -16 -100.0% -144 -100.0%
Child functions
drupal_get_user_timezone0 N/A% -22 -200.0% -26 -162.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::hashBase640 N/A% 6 54.5% 4 25.0% 0 0.0% 0 0.0%
drupal_anonymous_user0 N/A% 3 27.3% 2 12.5% 0 0.0% -168 -116.7%
session_set_save_handler0 N/A% 1 9.1% 0 0.0% 0 0.0% 0 0.0%
uniqid0 N/A% -1 -9.1% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 1 9.1% 2 12.5% 0 0.0% 0 0.0%
Drupal::request0 N/A% -1 -9.1% -4 -25.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 1 9.1% 0 0.0% 0 0.0% 0 0.0%
date_default_timezone_set0 N/A% 0 0.0% -1 -6.2% 0 0.0% 0 0.0%
mt_rand0 N/A% 0 0.0% 1 6.2% 0 0.0% 0 0.0%
session_id0 N/A% 0 0.0% -2 -12.5% 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%
session_name0 N/A% 0 0.0% 0 0.0% 0 0.0% 24 16.7%