Diff Report
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #53513afe3c568Run #535139ab6e707DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)79 80 1 1.3%
Incl. Wall Time (microsec) per call 11 11 0 1.3%
Excl. Wall Time (microsec)45 46 1 2.2%
Incl. CPU (microsecs)83 92 9 10.8%
Incl. CPU (microsecs) per call 12 13 1 10.8%
Excl. CPU (microsec)32 40 8 25.0%
Incl. MemUse (bytes)6,832 6,832 0 0.0%
Incl. MemUse (bytes) per call 976 976 0 0.0%
Excl. MemUse (bytes)2,512 2,512 0 0.0%
Incl. PeakMemUse (bytes)4,512 4,512 0 0.0%
Incl. PeakMemUse (bytes) per call 645 645 0 0.0%
Excl. PeakMemUse (bytes)1,704 1,704 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% 1 0.0% 9 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 100.0% 8 88.9% 0 N/A% 0 N/A%
Parent function
call_user_func_array@10 N/A% 1 100.0% 9 100.0% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% 1 100.0% 1 11.1% 0 N/A% 0 N/A%
strtolower0 N/A% -1 -100.0% 5 55.6% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% -5 -55.6% 0 N/A% 0 N/A%