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

drupal_session_initializeRun #517c7d73caad2Run #517c7dc1dc4c3DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,115 2,434 319 15.1%
Incl. Wall Time (microsec) per call 2,115 2,434 319 15.1%
Excl. Wall Time (microsec)35 39 4 11.4%
Incl. CPU (microsecs)1,850 2,099 249 13.5%
Incl. CPU (microsecs) per call 1,850 2,099 249 13.5%
Excl. CPU (microsec)23 26 3 13.0%
Incl. MemUse (bytes)285,624 285,632 8 0.0%
Incl. MemUse (bytes) per call 285,624 285,632 8 0.0%
Excl. MemUse (bytes)3,552 3,552 0 0.0%
Incl. PeakMemUse (bytes)295,048 295,056 8 0.0%
Incl. PeakMemUse (bytes) per call 295,048 295,056 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 Function4 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%