Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51fdbca2b5409Run #51fdbdbb58abcDiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)79 78 -1 -1.3%
Incl. Wall Time (microsec) per call 16 16 -0 -1.3%
Excl. Wall Time (microsec)43 41 -2 -4.7%
Incl. CPU (microsecs)83 83 0 0.0%
Incl. CPU (microsecs) per call 17 17 0 0.0%
Excl. CPU (microsec)31 33 2 6.5%
Incl. MemUse (bytes)6,656 6,640 -16 -0.2%
Incl. MemUse (bytes) per call 1,331 1,328 -3 -0.2%
Excl. MemUse (bytes)2,400 2,384 -16 -0.7%
Incl. PeakMemUse (bytes)3,928 3,912 -16 -0.4%
Incl. PeakMemUse (bytes) per call 786 782 -3 -0.4%
Excl. PeakMemUse (bytes)1,440 1,424 -16 -1.1%

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% -1 -0.1% 0 0.0% -16 -0.1% -16 -0.1%
Exclusive Metrics Diff for Current Function-2 -200.0% 2 N/A% -16 -100.0% -16 -100.0%
Parent function
call_user_func_array@10 N/A% -1 -100.0% 0 N/A% -16 -100.0% -16 -100.0%
Child functions
_drupal_set_preferred_header_name0 N/A% 1 100.0% -1 N/A% 0 0.0% 0 0.0%
strtolower0 N/A% 1 100.0% 0 N/A% 0 0.0% 0 0.0%
drupal_static0 N/A% -1 -100.0% -1 N/A% 0 0.0% 0 0.0%