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

drupal_add_http_headerRun #536ffbe232db1Run #536ffcbacf96dDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)114 116 2 1.8%
Incl. Wall Time (microsec) per call 16 17 0 1.8%
Excl. Wall Time (microsec)60 59 -1 -1.7%
Incl. CPU (microsecs)121 122 1 0.8%
Incl. CPU (microsecs) per call 17 17 0 0.8%
Excl. CPU (microsec)49 53 4 8.2%
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)3,032 2,624 -408 -13.5%
Incl. PeakMemUse (bytes) per call 433 375 -58 -13.5%
Excl. PeakMemUse (bytes)1,200 1,152 -48 -4.0%

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 Function-1 -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%