Diff Report
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #517896dc57c6eRun #5178989df1d0fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,589 1,560 -29 -1.8%
Incl. Wall Time (microsec) per call 1,589 1,560 -29 -1.8%
Excl. Wall Time (microsec)37 35 -2 -5.4%
Incl. CPU (microsecs)1,356 1,329 -27 -2.0%
Incl. CPU (microsecs) per call 1,356 1,329 -27 -2.0%
Excl. CPU (microsec)23 21 -2 -8.7%
Incl. MemUse (bytes)258,824 258,840 16 0.0%
Incl. MemUse (bytes) per call 258,824 258,840 16 0.0%
Excl. MemUse (bytes)3,552 3,552 0 0.0%
Incl. PeakMemUse (bytes)267,608 267,624 16 0.0%
Incl. PeakMemUse (bytes) per call 267,608 267,624 16 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% -29 -0.7% -27 -0.6% 16 0.3% 16 0.3%
Exclusive Metrics Diff for Current Function-2 -6.9% -2 -7.4% 0 0.0% 0 0.0%
Parent function
drupal_bootstrap0 N/A% -29 -100.0% -27 -100.0% 16 100.0% 16 100.0%
Child functions
drupal_anonymous_user0 N/A% -19 -65.5% -19 -70.4% 16 100.0% 16 100.0%
drupal_get_user_timezone0 N/A% -6 -20.7% -4 -14.8% 0 0.0% 0 0.0%
date_default_timezone_set0 N/A% -1 -3.4% 0 0.0% 0 0.0% 0 0.0%
uniqid0 N/A% -1 -3.4% -1 -3.7% 0 0.0% 0 0.0%
session_name0 N/A% 0 0.0% 1 3.7% 0 0.0% 0 0.0%
mt_rand0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
session_id0 N/A% 0 0.0% -1 -3.7% 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% -1 -3.7% 0 0.0% 0 0.0%