Diff Report
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774cdfb1214: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #51774c26bf054Run #51774cdfb1214DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,618 1,758 140 8.7%
Incl. Wall Time (microsec) per call 1,618 1,758 140 8.7%
Excl. Wall Time (microsec)38 38 0 0.0%
Incl. CPU (microsecs)1,435 1,472 37 2.6%
Incl. CPU (microsecs) per call 1,435 1,472 37 2.6%
Excl. CPU (microsec)27 26 -1 -3.7%
Incl. MemUse (bytes)261,536 261,544 8 0.0%
Incl. MemUse (bytes) per call 261,536 261,544 8 0.0%
Excl. MemUse (bytes)3,552 3,552 0 0.0%
Incl. PeakMemUse (bytes)270,320 270,328 8 0.0%
Incl. PeakMemUse (bytes) per call 270,320 270,328 8 0.0%
Excl. PeakMemUse (bytes)2,792 2,792 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% 140 0.6% 37 0.2% 8 0.1% 8 0.1%
Exclusive Metrics Diff for Current Function0 0.0% -1 -2.7% 0 0.0% 0 0.0%
Parent function
drupal_bootstrap0 N/A% 140 100.0% 37 100.0% 8 100.0% 8 100.0%
Child functions
drupal_get_user_timezone0 N/A% 88 62.9% -14 -37.8% 0 0.0% 0 0.0%
drupal_anonymous_user0 N/A% 49 35.0% 49 132.4% 8 100.0% 8 100.0%
date_default_timezone_set0 N/A% -2 -1.4% -3 -8.1% 0 0.0% 0 0.0%
drupal_hash_base640 N/A% 2 1.4% 1 2.7% 0 0.0% 0 0.0%
uniqid0 N/A% 1 0.7% 3 8.1% 0 0.0% 0 0.0%
mt_rand0 N/A% 1 0.7% 0 0.0% 0 0.0% 0 0.0%
session_set_save_handler0 N/A% 1 0.7% 1 2.7% 0 0.0% 0 0.0%
session_name0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
session_id0 N/A% 0 0.0% 1 2.7% 0 0.0% 0 0.0%