Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e43719571bf: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #52e436ce9c71dRun #52e43719571bfDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)1,019 1,026 7 0.7%
Incl. Wall Time (microsec) per call 510 513 4 0.7%
Excl. Wall Time (microsec)76 73 -3 -3.9%
Incl. CPU (microsecs)892 882 -10 -1.1%
Incl. CPU (microsecs) per call 446 441 -5 -1.1%
Excl. CPU (microsec)55 52 -3 -5.5%
Incl. MemUse (bytes)74,160 74,160 0 0.0%
Incl. MemUse (bytes) per call 37,080 37,080 0 0.0%
Excl. MemUse (bytes)4,152 4,152 0 0.0%
Incl. PeakMemUse (bytes)174,904 174,904 0 0.0%
Incl. PeakMemUse (bytes) per call 87,452 87,452 0 0.0%
Excl. PeakMemUse (bytes)1,680 1,680 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% 7 0.6% -10 -1.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -42.9% -3 -30.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% 7 100.0% -10 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% 17 242.9% -1 -10.0% 0 N/A% 0 N/A%
drupal_anonymous_user0 N/A% -3 -42.9% -5 -50.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::hashBase640 N/A% 3 42.9% 3 30.0% 0 N/A% 0 N/A%
session_id0 N/A% -2 -28.6% 0 0.0% 0 N/A% 0 N/A%
Drupal::request0 N/A% -2 -28.6% -2 -20.0% 0 N/A% 0 N/A%
mt_rand0 N/A% -2 -28.6% -3 -30.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ParameterBag::has0 N/A% 1 14.3% 2 20.0% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% -1 -14.3% 1 10.0% 0 N/A% 0 N/A%
session_name0 N/A% -1 -14.3% -1 -10.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 0 0.0% -1 -10.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
session_set_save_handler0 N/A% 0 0.0% 1 10.0% 0 N/A% 0 N/A%
uniqid0 N/A% 0 0.0% -1 -10.0% 0 N/A% 0 N/A%