Diff Report
Run #53180b3960796: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53180bc98020f: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #53180b3960796Run #53180bc98020fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)34 29 -5 -14.7%
Incl. Wall Time (microsec) per call 34 29 -5 -14.7%
Excl. Wall Time (microsec)17 12 -5 -29.4%
Incl. CPU (microsecs)41 36 -5 -12.2%
Incl. CPU (microsecs) per call 41 36 -5 -12.2%
Excl. CPU (microsec)17 14 -3 -17.6%
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)3,600 3,600 0 0.0%
Incl. PeakMemUse (bytes) per call 3,600 3,600 0 0.0%
Excl. PeakMemUse (bytes)1,296 1,296 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% -5 -0.1% -5 -0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -100.0% -3 -60.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array@10 N/A% -5 -100.0% -5 -100.0% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% 0 0.0% -2 -40.0% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%