Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9457328375: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51a944519b58cRun #51a9457328375DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)252 160 -92 -36.5%
Incl. Wall Time (microsec) per call 84 53 -31 -36.5%
Excl. Wall Time (microsec)59 36 -23 -39.0%
Incl. CPU (microsecs)256 163 -93 -36.3%
Incl. CPU (microsecs) per call 85 54 -31 -36.3%
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% -92 -10.7% -93 -10.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-23 -25.0% -21 -22.6% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% -92 -100.0% -93 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% -51 -55.4% -49 -52.7% 0 N/A% 0 N/A%
drupal_static0 N/A% -10 -10.9% -14 -15.1% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% -7 -7.6% -7 -7.5% 0 N/A% 0 N/A%
strtolower0 N/A% -1 -1.1% -2 -2.2% 0 N/A% 0 N/A%