Diff Report
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #518fbd1297c93Run #518fb7370421eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,544 1,507 -37 -2.4%
Incl. Wall Time (microsec) per call 1,544 1,507 -37 -2.4%
Excl. Wall Time (microsec)43 42 -1 -2.3%
Incl. CPU (microsecs)1,326 1,287 -39 -2.9%
Incl. CPU (microsecs) per call 1,326 1,287 -39 -2.9%
Excl. CPU (microsec)34 26 -8 -23.5%
Incl. MemUse (bytes)290,488 290,472 -16 -0.0%
Incl. MemUse (bytes) per call 290,488 290,472 -16 -0.0%
Excl. MemUse (bytes)4,128 4,128 0 0.0%
Incl. PeakMemUse (bytes)300,128 300,112 -16 -0.0%
Incl. PeakMemUse (bytes) per call 300,128 300,112 -16 -0.0%
Excl. PeakMemUse (bytes)3,512 3,512 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% -37 -1.2% -39 -0.9% -16 -0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function-1 -2.7% -8 -20.5% 0 0.0% 0 0.0%
Parent function
drupal_bootstrap0 N/A% -37 -100.0% -39 -100.0% -16 -100.0% -16 -100.0%
Child functions
drupal_get_user_timezone0 N/A% -25 -67.6% -26 -66.7% 0 0.0% 0 0.0%
uniqid0 N/A% -7 -18.9% -6 -15.4% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::hashBase640 N/A% -5 -13.5% -6 -15.4% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 1 2.7% 1 2.6% 0 0.0% 0 0.0%
drupal_anonymous_user0 N/A% 1 2.7% 2 5.1% -16 -100.0% -16 -100.0%
date_default_timezone_set0 N/A% -1 -2.7% 1 2.6% 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% 1 2.6% 0 0.0% 0 0.0%
Drupal::request0 N/A% 0 0.0% 1 2.6% 0 0.0% 0 0.0%
session_name0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
session_set_save_handler0 N/A% 0 0.0% 1 2.6% 0 0.0% 0 0.0%