Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,035 2,107 72 3.5%
Incl. Wall Time (microsec) per call 2,035 2,107 72 3.5%
Excl. Wall Time (microsec)35 37 2 5.7%
Incl. CPU (microsecs)1,854 1,878 24 1.3%
Incl. CPU (microsecs) per call 1,854 1,878 24 1.3%
Excl. CPU (microsec)23 23 0 0.0%
Incl. MemUse (bytes)285,616 285,640 24 0.0%
Incl. MemUse (bytes) per call 285,616 285,640 24 0.0%
Excl. MemUse (bytes)3,552 3,552 0 0.0%
Incl. PeakMemUse (bytes)295,040 295,064 24 0.0%
Incl. PeakMemUse (bytes) per call 295,040 295,064 24 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% 72 0.0% 24 0.0% 24 0.0% 24 0.0%
Exclusive Metrics Diff for Current Function2 2.8% 0 0.0% 0 0.0% 0 0.0%
Parent function
drupal_bootstrap0 N/A% 72 100.0% 24 100.0% 24 100.0% 24 100.0%
Child functions
drupal_get_user_timezone0 N/A% 76 105.6% 29 120.8% 0 0.0% 64 266.7%
drupal_anonymous_user0 N/A% -5 -6.9% -5 -20.8% 24 100.0% -40 -166.7%
uniqid0 N/A% -1 -1.4% -1 -4.2% 0 0.0% 0 0.0%
session_name0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date_default_timezone_set0 N/A% 0 0.0% 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%
drupal_hash_base640 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
session_set_save_handler0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
mt_rand0 N/A% 0 0.0% 1 4.2% 0 0.0% 0 0.0%