Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #51af3d98520b7Run #51af435181b2eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,478 6,326 -152 -2.3%
Incl. Wall Time (microsec) per call 6,478 6,326 -152 -2.3%
Excl. Wall Time (microsec)40 48 8 20.0%
Incl. CPU (microsecs)6,296 6,136 -160 -2.5%
Incl. CPU (microsecs) per call 6,296 6,136 -160 -2.5%
Excl. CPU (microsec)29 34 5 17.2%
Incl. MemUse (bytes)1,216,752 1,216,824 72 0.0%
Incl. MemUse (bytes) per call 1,216,752 1,216,824 72 0.0%
Excl. MemUse (bytes)4,040 4,040 0 0.0%
Incl. PeakMemUse (bytes)1,111,152 1,111,160 8 0.0%
Incl. PeakMemUse (bytes) per call 1,111,152 1,111,160 8 0.0%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% -152 -19.0% -160 -16.8% 72 0.1% 8 0.0%
Exclusive Metrics Diff for Current Function8 5.3% 5 3.1% 0 0.0% 0 0.0%
Parent function
drupal_bootstrap0 N/A% -152 -100.0% -160 -100.0% 72 100.0% 8 100.0%
Child functions
Drupal::request0 N/A% -113 -74.3% -112 -70.0% 56 77.8% -8 -100.0%
drupal_anonymous_user0 N/A% -57 -37.5% -57 -35.6% 16 22.2% 16 200.0%
drupal_get_user_timezone0 N/A% 14 9.2% 5 3.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% -2 -1.3% -2 -1.2% 0 0.0% 0 0.0%
date_default_timezone_set0 N/A% -1 -0.7% 0 0.0% 0 0.0% 0 0.0%
session_name0 N/A% -1 -0.7% 0 0.0% 0 0.0% 0 0.0%
session_id0 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%
session_set_save_handler0 N/A% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
uniqid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::hashBase640 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%