Diff Report
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #519a496084867Run #519a4774889ddDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,035 631 -404 -39.0%
Incl. Wall Time (microsec) per call 1,035 631 -404 -39.0%
Excl. Wall Time (microsec)162 98 -64 -39.5%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)19,792 19,736 -56 -0.3%
Incl. MemUse (bytes) per call 19,792 19,736 -56 -0.3%
Excl. MemUse (bytes)3,248 3,240 -8 -0.2%
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% -404 -0.0% 0 0.0% -56 -0.4% 0 0.0%
Exclusive Metrics Diff for Current Function-64 -15.8% 0 N/A% -8 -14.3% 0 N/A%
Parent function
call_user_func_array0 N/A% -404 -100.0% 0 N/A% -56 -100.0% 0 N/A%
Child functions
drupal_send_headers0 N/A% -225 -55.7% 0 N/A% -24 -42.9% 0 N/A%
drupal_static0 N/A% -72 -17.8% 0 N/A% 0 0.0% 0 N/A%
_drupal_set_preferred_header_name0 N/A% -35 -8.7% 0 N/A% -24 -42.9% 0 N/A%
strtolower0 N/A% -8 -2.0% 0 N/A% 0 0.0% 0 N/A%