Diff Report
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #517d7587ada9cRun #517d750163e11DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)164 148 -16 -9.8%
Incl. Wall Time (microsec) per call 55 49 -5 -9.8%
Excl. Wall Time (microsec)39 38 -1 -2.6%
Incl. CPU (microsecs)166 153 -13 -7.8%
Incl. CPU (microsecs) per call 55 51 -4 -7.8%
Excl. CPU (microsec)30 27 -3 -10.0%
Incl. MemUse (bytes)14,536 14,520 -16 -0.1%
Incl. MemUse (bytes) per call 4,845 4,840 -5 -0.1%
Excl. MemUse (bytes)2,568 2,568 0 0.0%
Incl. PeakMemUse (bytes)8,896 8,824 -72 -0.8%
Incl. PeakMemUse (bytes) per call 2,965 2,941 -24 -0.8%
Excl. PeakMemUse (bytes)1,240 1,240 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% -16 -0.2% -13 -0.1% -16 -0.1% -72 -0.7%
Exclusive Metrics Diff for Current Function-1 -6.2% -3 -23.1% 0 0.0% 0 0.0%
Parent function
call_user_func_array0 N/A% -16 -100.0% -13 -100.0% -16 -100.0% -72 -100.0%
Child functions
drupal_send_headers0 N/A% -15 -93.8% -16 -123.1% -16 -100.0% -72 -100.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
strtolower0 N/A% 0 0.0% 5 38.5% 0 0.0% 0 0.0%
drupal_static0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%