Diff Report
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eefcaea15f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #518eee9367b5dRun #518eefcaea15fDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)148 146 -2 -1.4%
Incl. Wall Time (microsec) per call 49 49 -1 -1.4%
Excl. Wall Time (microsec)34 34 0 0.0%
Incl. CPU (microsecs)149 148 -1 -0.7%
Incl. CPU (microsecs) per call 50 49 -0 -0.7%
Excl. CPU (microsec)25 22 -3 -12.0%
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)9,064 9,064 0 0.0%
Incl. PeakMemUse (bytes) per call 3,021 3,021 0 0.0%
Excl. PeakMemUse (bytes)1,432 1,432 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% -2 -3.0% -1 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -3 -300.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% -2 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% -1 -50.0% 2 200.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -50.0% 1 100.0% 0 N/A% 0 N/A%
drupal_send_headers0 N/A% 0 0.0% -2 -200.0% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%