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

drupal_session_initializeRun #517d73f55c548Run #517d7319aefb8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,322 2,151 -171 -7.4%
Incl. Wall Time (microsec) per call 2,322 2,151 -171 -7.4%
Excl. Wall Time (microsec)37 36 -1 -2.7%
Incl. CPU (microsecs)2,031 1,882 -149 -7.3%
Incl. CPU (microsecs) per call 2,031 1,882 -149 -7.3%
Excl. CPU (microsec)30 23 -7 -23.3%
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 Function-1 -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%