Diff Report
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d73f55c548: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #517d7319aefb8Run #517d73f55c548DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,151 2,322 171 7.9%
Incl. Wall Time (microsec) per call 2,151 2,322 171 7.9%
Excl. Wall Time (microsec)36 37 1 2.8%
Incl. CPU (microsecs)1,882 2,031 149 7.9%
Incl. CPU (microsecs) per call 1,882 2,031 149 7.9%
Excl. CPU (microsec)23 30 7 30.4%
Incl. MemUse (bytes)285,624 285,624 0 0.0%
Incl. MemUse (bytes) per call 285,624 285,624 0 0.0%
Excl. MemUse (bytes)3,552 3,552 0 0.0%
Incl. PeakMemUse (bytes)295,048 295,048 0 0.0%
Incl. PeakMemUse (bytes) per call 295,048 295,048 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% 171 2.1% 149 1.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 0.6% 7 4.7% 0 N/A% 0 N/A%
Parent function
drupal_bootstrap0 N/A% 171 100.0% 149 100.0% 0 N/A% 0 N/A%
Child functions
drupal_anonymous_user0 N/A% 106 62.0% 104 69.8% 0 N/A% 0 N/A%
drupal_get_user_timezone0 N/A% 62 36.3% 40 26.8% 0 N/A% 0 N/A%
drupal_hash_base640 N/A% 1 0.6% 0 0.0% 0 N/A% 0 N/A%
uniqid0 N/A% 1 0.6% 1 0.7% 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_name0 N/A% 0 0.0% 1 0.7% 0 N/A% 0 N/A%
session_id0 N/A% 0 0.0% -1 -0.7% 0 N/A% 0 N/A%
mt_rand0 N/A% 0 0.0% -2 -1.3% 0 N/A% 0 N/A%
session_set_save_handler0 N/A% 0 0.0% -1 -0.7% 0 N/A% 0 N/A%