Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9459592df6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51a944519b58cRun #51a9459592df6DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)252 148 -104 -41.3%
Incl. Wall Time (microsec) per call 84 49 -35 -41.3%
Excl. Wall Time (microsec)59 34 -25 -42.4%
Incl. CPU (microsecs)256 151 -105 -41.0%
Incl. CPU (microsecs) per call 85 50 -35 -41.0%
Excl. CPU (microsec)49 28 -21 -42.9%
Incl. MemUse (bytes)14,616 14,616 0 0.0%
Incl. MemUse (bytes) per call 4,872 4,872 0 0.0%
Excl. MemUse (bytes)2,568 2,568 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% -104 -1.0% -105 -1.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-25 -24.0% -21 -20.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% -104 -100.0% -105 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% -50 -48.1% -51 -48.6% 0 N/A% 0 N/A%
drupal_static0 N/A% -20 -19.2% -23 -21.9% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% -8 -7.7% -9 -8.6% 0 N/A% 0 N/A%
strtolower0 N/A% -1 -1.0% -1 -1.0% 0 N/A% 0 N/A%