Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #52d4b18f32fb6Run #52d4b1f732b14DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)25 24 -1 -4.0%
Incl. Wall Time (microsec) per call 25 24 -1 -4.0%
Excl. Wall Time (microsec)10 11 1 10.0%
Incl. CPU (microsecs)26 25 -1 -3.8%
Incl. CPU (microsecs) per call 26 25 -1 -3.8%
Excl. CPU (microsec)7 8 1 14.3%
Incl. MemUse (bytes)6,008 6,016 8 0.1%
Incl. MemUse (bytes) per call 6,008 6,016 8 0.1%
Excl. MemUse (bytes)2,024 2,032 8 0.4%
Incl. PeakMemUse (bytes)3,464 3,472 8 0.2%
Incl. PeakMemUse (bytes) per call 3,464 3,472 8 0.2%
Excl. PeakMemUse (bytes)1,432 1,440 8 0.6%

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% -1 -0.1% -1 -0.1% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function1 100.0% 1 100.0% 8 100.0% 8 100.0%
Parent function
call_user_func_array@10 N/A% -1 -100.0% -1 -100.0% 8 100.0% 8 100.0%
Child functions
drupal_static0 N/A% -1 -100.0% -1 -100.0% 0 0.0% 0 0.0%
_drupal_set_preferred_header_name0 N/A% -1 -100.0% -2 -200.0% 0 0.0% 0 0.0%
strtolower0 N/A% 0 0.0% 1 100.0% 0 0.0% 0 0.0%