Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)674 146 -528 -78.3%
Incl. Wall Time (microsec) per call 225 49 -176 -78.3%
Excl. Wall Time (microsec)39 33 -6 -15.4%
Incl. CPU (microsecs)678 149 -529 -78.0%
Incl. CPU (microsecs) per call 226 50 -176 -78.0%
Excl. CPU (microsec)31 24 -7 -22.6%
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)69,696 8,832 -60,864 -87.3%
Incl. PeakMemUse (bytes) per call 23,232 2,944 -20,288 -87.3%
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% -528 -0.2% -529 -0.5% -32,768 -7.4% -60,864 -10.7%
Exclusive Metrics Diff for Current Function-6 -1.1% -7 -1.3% 0 0.0% 664 1.1%
Parent function
call_user_func_array0 N/A% -528 -100.0% -529 -100.0% -32,768 -100.0% -60,864 -100.0%
Child functions
drupal_send_headers0 N/A% -521 -98.7% -526 -99.4% -32,768 -100.0% -61,528 -101.1%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 2 0.4% 0 0.0% 0 0.0%
strtolower0 N/A% 1 0.2% 3 0.6% 0 0.0% 0 0.0%
drupal_static0 N/A% -2 -0.4% -1 -0.2% 0 0.0% 0 0.0%