Diff Report
Run #530ad1ecad192: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ad1a439784: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #530ad1ecad192Run #530ad1a439784DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)35 37 2 5.7%
Incl. Wall Time (microsec) per call 35 37 2 5.7%
Excl. Wall Time (microsec)12 13 1 8.3%
Incl. CPU (microsecs)37 39 2 5.4%
Incl. CPU (microsecs) per call 37 39 2 5.4%
Excl. CPU (microsec)12 11 -1 -8.3%
Incl. MemUse (bytes)5,968 5,968 0 0.0%
Incl. MemUse (bytes) per call 5,968 5,968 0 0.0%
Excl. MemUse (bytes)2,016 2,016 0 0.0%
Incl. PeakMemUse (bytes)4,128 4,128 0 0.0%
Incl. PeakMemUse (bytes) per call 4,128 4,128 0 0.0%
Excl. PeakMemUse (bytes)1,456 1,456 0 0.0%

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% 2 0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 50.0% -1 -50.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array@10 N/A% 2 100.0% 2 100.0% 0 N/A% 0 N/A%
Child functions
drupal_static0 N/A% 1 50.0% 1 50.0% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% 2 100.0% 0 N/A% 0 N/A%