Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)4,537 3,854 -683 -15.1%
Incl. Wall Time (microsec) per call 4,537 3,854 -683 -15.1%
Excl. Wall Time (microsec)71 63 -8 -11.3%
Incl. CPU (microsecs)3,904 3,453 -451 -11.6%
Incl. CPU (microsecs) per call 3,904 3,453 -451 -11.6%
Excl. CPU (microsec)48 46 -2 -4.2%
Incl. MemUse (bytes)187,404 187,404 0 0.0%
Incl. MemUse (bytes) per call 187,404 187,404 0 0.0%
Excl. MemUse (bytes)2,112 2,112 0 0.0%
Incl. PeakMemUse (bytes)191,672 191,672 0 0.0%
Incl. PeakMemUse (bytes) per call 191,672 191,672 0 0.0%
Excl. PeakMemUse (bytes)1,652 1,652 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% -683 -19.1% -451 -437.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-8 -1.2% -2 -0.4% 0 N/A% 0 N/A%
Parent function
drupal_bootstrap0 N/A% -683 -100.0% -451 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% -431 -63.1% -199 -44.1% 0 N/A% 0 N/A%
drupal_anonymous_user0 N/A% -160 -23.4% -160 -35.5% 0 N/A% 0 N/A%
Drupal::request0 N/A% -71 -10.4% -72 -16.0% 0 N/A% 0 N/A%
uniqid0 N/A% -5 -0.7% -5 -1.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% -4 -0.6% -6 -1.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::hashBase640 N/A% -3 -0.4% -4 -0.9% 0 N/A% 0 N/A%
session_set_save_handler0 N/A% -1 -0.1% -2 -0.4% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 0 0.0% 1 0.2% 0 N/A% 0 N/A%
mt_rand0 N/A% 0 0.0% 1 0.2% 0 N/A% 0 N/A%
session_name0 N/A% 0 0.0% -1 -0.2% 0 N/A% 0 N/A%
session_id0 N/A% 0 0.0% -2 -0.4% 0 N/A% 0 N/A%