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

drupal_session_initializeRun #52f5c0b2e882aRun #52f5c11235c73DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)1,115 1,126 11 1.0%
Incl. Wall Time (microsec) per call 558 563 6 1.0%
Excl. Wall Time (microsec)76 75 -1 -1.3%
Incl. CPU (microsecs)961 977 16 1.7%
Incl. CPU (microsecs) per call 481 489 8 1.7%
Excl. CPU (microsec)61 53 -8 -13.1%
Incl. MemUse (bytes)75,664 75,680 16 0.0%
Incl. MemUse (bytes) per call 37,832 37,840 8 0.0%
Excl. MemUse (bytes)4,688 4,704 16 0.3%
Incl. PeakMemUse (bytes)189,576 189,720 144 0.1%
Incl. PeakMemUse (bytes) per call 94,788 94,860 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 Function-1 -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%