Diff Report
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #517c1836bbd84Run #517c1770a3264DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,103 2,112 9 0.4%
Incl. Wall Time (microsec) per call 2,103 2,112 9 0.4%
Excl. Wall Time (microsec)34 36 2 5.9%
Incl. CPU (microsecs)1,884 1,857 -27 -1.4%
Incl. CPU (microsecs) per call 1,884 1,857 -27 -1.4%
Excl. CPU (microsec)25 20 -5 -20.0%
Incl. MemUse (bytes)285,616 285,616 0 0.0%
Incl. MemUse (bytes) per call 285,616 285,616 0 0.0%
Excl. MemUse (bytes)3,552 3,552 0 0.0%
Incl. PeakMemUse (bytes)295,080 295,080 0 0.0%
Incl. PeakMemUse (bytes) per call 295,080 295,080 0 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% 9 0.6% -27 -1.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 22.2% -5 -18.5% 0 N/A% 0 N/A%
Parent function
drupal_bootstrap0 N/A% 9 100.0% -27 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% 7 77.8% -27 -100.0% 0 N/A% 0 N/A%
drupal_anonymous_user0 N/A% 1 11.1% 2 7.4% 0 N/A% 0 N/A%
uniqid0 N/A% -1 -11.1% -1 -3.7% 0 N/A% 0 N/A%
session_name0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
session_id0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%
drupal_hash_base640 N/A% 0 0.0% 2 7.4% 0 N/A% 0 N/A%
session_set_save_handler0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
mt_rand0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%