Diff Report
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #52f5cb0964fa0Run #52f5cbc19a0d8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)28 26 -2 -7.1%
Incl. Wall Time (microsec) per call 28 26 -2 -7.1%
Excl. Wall Time (microsec)14 12 -2 -14.3%
Incl. CPU (microsecs)29 27 -2 -6.9%
Incl. CPU (microsecs) per call 29 27 -2 -6.9%
Excl. CPU (microsec)12 6 -6 -50.0%
Incl. MemUse (bytes)6,056 6,056 0 0.0%
Incl. MemUse (bytes) per call 6,056 6,056 0 0.0%
Excl. MemUse (bytes)2,024 2,024 0 0.0%
Incl. PeakMemUse (bytes)4,792 4,792 0 0.0%
Incl. PeakMemUse (bytes) per call 4,792 4,792 0 0.0%
Excl. PeakMemUse (bytes)1,576 1,576 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 -2.2% -2 -1.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -100.0% -6 -300.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array@10 N/A% -2 -100.0% -2 -100.0% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% 0 0.0% 2 100.0% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% 1 50.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% 1 50.0% 0 N/A% 0 N/A%