Diff Report
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ed10e385b9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #518eceb4aac68Run #518ed10e385b9DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)151 157 6 4.0%
Incl. Wall Time (microsec) per call 50 52 2 4.0%
Excl. Wall Time (microsec)40 44 4 10.0%
Incl. CPU (microsecs)154 159 5 3.2%
Incl. CPU (microsecs) per call 51 53 2 3.2%
Excl. CPU (microsec)26 31 5 19.2%
Incl. MemUse (bytes)14,544 14,544 0 0.0%
Incl. MemUse (bytes) per call 4,848 4,848 0 0.0%
Excl. MemUse (bytes)2,592 2,592 0 0.0%
Incl. PeakMemUse (bytes)9,248 9,248 0 0.0%
Incl. PeakMemUse (bytes) per call 3,083 3,083 0 0.0%
Excl. PeakMemUse (bytes)1,408 1,408 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% 6 25.0% 5 0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 66.7% 5 100.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% 6 100.0% 5 100.0% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% 2 33.3% 0 0.0% 0 N/A% 0 N/A%
strtolower0 N/A% 1 16.7% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -16.7% 2 40.0% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% 0 0.0% -2 -40.0% 0 N/A% 0 N/A%