Diff Report
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #517c7dc1dc4c3Run #517c7d73caad2DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,434 2,115 -319 -13.1%
Incl. Wall Time (microsec) per call 2,434 2,115 -319 -13.1%
Excl. Wall Time (microsec)39 35 -4 -10.3%
Incl. CPU (microsecs)2,099 1,850 -249 -11.9%
Incl. CPU (microsecs) per call 2,099 1,850 -249 -11.9%
Excl. CPU (microsec)26 23 -3 -11.5%
Incl. MemUse (bytes)285,632 285,624 -8 -0.0%
Incl. MemUse (bytes) per call 285,632 285,624 -8 -0.0%
Excl. MemUse (bytes)3,552 3,552 0 0.0%
Incl. PeakMemUse (bytes)295,056 295,048 -8 -0.0%
Incl. PeakMemUse (bytes) per call 295,056 295,048 -8 -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% -319 -90.4% -249 -26.6% -8 -0.3% -8 -0.3%
Exclusive Metrics Diff for Current Function-4 -1.3% -3 -1.2% 0 0.0% 0 0.0%
Parent function
drupal_bootstrap0 N/A% -319 -100.0% -249 -100.0% -8 -100.0% -8 -100.0%
Child functions
drupal_get_user_timezone0 N/A% -188 -58.9% -118 -47.4% 0 0.0% 0 0.0%
drupal_anonymous_user0 N/A% -122 -38.2% -122 -49.0% -8 -100.0% -8 -100.0%
drupal_hash_base640 N/A% -2 -0.6% -2 -0.8% 0 0.0% 0 0.0%
uniqid0 N/A% -2 -0.6% -2 -0.8% 0 0.0% 0 0.0%
session_set_save_handler0 N/A% -1 -0.3% -2 -0.8% 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_name0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
session_id0 N/A% 0 0.0% 1 0.4% 0 0.0% 0 0.0%
mt_rand0 N/A% 0 0.0% -1 -0.4% 0 0.0% 0 0.0%