Diff Report
Run #51fdbd76c2eed: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51fdbd76c2eedRun #51fdbca2b5409DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)81 79 -2 -2.5%
Incl. Wall Time (microsec) per call 16 16 -0 -2.5%
Excl. Wall Time (microsec)42 43 1 2.4%
Incl. CPU (microsecs)87 83 -4 -4.6%
Incl. CPU (microsecs) per call 17 17 -1 -4.6%
Excl. CPU (microsec)34 31 -3 -8.8%
Incl. MemUse (bytes)6,656 6,656 0 0.0%
Incl. MemUse (bytes) per call 1,331 1,331 0 0.0%
Excl. MemUse (bytes)2,400 2,400 0 0.0%
Incl. PeakMemUse (bytes)3,928 3,928 0 0.0%
Incl. PeakMemUse (bytes) per call 786 786 0 0.0%
Excl. PeakMemUse (bytes)1,440 1,440 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 -0.3% -4 -0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 50.0% -3 -75.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array@10 N/A% -2 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% -1 -50.0% -1 -25.0% 0 N/A% 0 N/A%
strtolower0 N/A% -1 -50.0% 3 75.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -50.0% -3 -75.0% 0 N/A% 0 N/A%