Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)664 150 -514 -77.4%
Incl. Wall Time (microsec) per call 221 50 -171 -77.4%
Excl. Wall Time (microsec)32 33 1 3.1%
Incl. CPU (microsecs)666 154 -512 -76.9%
Incl. CPU (microsecs) per call 222 51 -171 -76.9%
Excl. CPU (microsec)26 26 0 0.0%
Incl. MemUse (bytes)47,288 14,520 -32,768 -69.3%
Incl. MemUse (bytes) per call 15,763 4,840 -10,923 -69.3%
Excl. MemUse (bytes)2,568 2,568 0 0.0%
Incl. PeakMemUse (bytes)69,720 8,704 -61,016 -87.5%
Incl. PeakMemUse (bytes) per call 23,240 2,901 -20,339 -87.5%
Excl. PeakMemUse (bytes)576 1,240 664 115.3%

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% -514 -0.2% -512 -0.5% -32,768 -13.5% -61,016 -17.3%
Exclusive Metrics Diff for Current Function1 0.2% 0 0.0% 0 0.0% 664 1.1%
Parent function
call_user_func_array0 N/A% -514 -100.0% -512 -100.0% -32,768 -100.0% -61,016 -100.0%
Child functions
drupal_send_headers0 N/A% -520 -101.2% -522 -102.0% -32,768 -100.0% -61,680 -101.1%
_drupal_set_preferred_header_name0 N/A% 5 1.0% 8 1.6% 0 0.0% 0 0.0%
strtolower0 N/A% -1 -0.2% 1 0.2% 0 0.0% 0 0.0%
drupal_static0 N/A% 1 0.2% 1 0.2% 0 0.0% 0 0.0%