Diff Report
Run #536ffcbacf96d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #536ffcbacf96dRun #536ffbe232db1DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)116 114 -2 -1.7%
Incl. Wall Time (microsec) per call 17 16 -0 -1.7%
Excl. Wall Time (microsec)59 60 1 1.7%
Incl. CPU (microsecs)122 121 -1 -0.8%
Incl. CPU (microsecs) per call 17 17 -0 -0.8%
Excl. CPU (microsec)53 49 -4 -7.5%
Incl. MemUse (bytes)6,744 6,744 0 0.0%
Incl. MemUse (bytes) per call 963 963 0 0.0%
Excl. MemUse (bytes)2,504 2,504 0 0.0%
Incl. PeakMemUse (bytes)2,624 3,032 408 15.5%
Incl. PeakMemUse (bytes) per call 375 433 58 15.5%
Excl. PeakMemUse (bytes)1,152 1,200 48 4.2%

Parent/Child Regression/Improvement report for drupal_add_http_header [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_add_http_header0 N/A% -2 -0.1% -1 -0.1% 0 0.0% 408 1.2%
Exclusive Metrics Diff for Current Function1 50.0% -4 -400.0% 0 N/A% 48 11.8%
Parent function
call_user_func_array@10 N/A% -2 -100.0% -1 -100.0% 0 N/A% 408 100.0%
Child functions
drupal_static0 N/A% -4 -200.0% 0 0.0% 0 N/A% 104 25.5%
_drupal_set_preferred_header_name0 N/A% 1 50.0% 1 100.0% 0 N/A% 0 0.0%
strtolower0 N/A% 0 0.0% 2 200.0% 0 N/A% 256 62.7%