Diff Report
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774d289642f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51774c26bf054Run #51774d289642fDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)146 146 0 0.0%
Incl. Wall Time (microsec) per call 49 49 0 0.0%
Excl. Wall Time (microsec)38 35 -3 -7.9%
Incl. CPU (microsecs)150 152 2 1.3%
Incl. CPU (microsecs) per call 50 51 1 1.3%
Excl. CPU (microsec)28 27 -1 -3.6%
Incl. MemUse (bytes)14,520 14,520 0 0.0%
Incl. MemUse (bytes) per call 4,840 4,840 0 0.0%
Excl. MemUse (bytes)2,568 2,568 0 0.0%
Incl. PeakMemUse (bytes)8,592 8,592 0 0.0%
Incl. PeakMemUse (bytes) per call 2,864 2,864 0 0.0%
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% 0 0.0% 2 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 N/A% -1 -50.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% 0 N/A% 2 100.0% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% 3 N/A% 1 50.0% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% -1 N/A% -1 -50.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 1 N/A% 2 100.0% 0 N/A% 0 N/A%
strtolower0 N/A% 0 N/A% 1 50.0% 0 N/A% 0 N/A%