Diff Report
Run #52e97b490de91: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e97c22a1cdf: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #52e97b490de91Run #52e97c22a1cdfDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)51 45 -6 -11.8%
Incl. Wall Time (microsec) per call 51 45 -6 -11.8%
Excl. Wall Time (microsec)20 21 1 5.0%
Incl. CPU (microsecs)53 47 -6 -11.3%
Incl. CPU (microsecs) per call 53 47 -6 -11.3%
Excl. CPU (microsec)15 14 -1 -6.7%
Incl. MemUse (bytes)5,968 5,968 0 0.0%
Incl. MemUse (bytes) per call 5,968 5,968 0 0.0%
Excl. MemUse (bytes)2,016 2,016 0 0.0%
Incl. PeakMemUse (bytes)4,912 4,128 -784 -16.0%
Incl. PeakMemUse (bytes) per call 4,912 4,128 -784 -16.0%
Excl. PeakMemUse (bytes)1,456 1,456 0 0.0%

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% -6 -0.9% -6 -0.6% 0 0.0% -784 -0.5%
Exclusive Metrics Diff for Current Function1 16.7% -1 -16.7% 0 N/A% 0 0.0%
Parent function
call_user_func_array@10 N/A% -6 -100.0% -6 -100.0% 0 N/A% -784 -100.0%
Child functions
drupal_static0 N/A% -7 -116.7% -7 -116.7% 0 N/A% -784 -100.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 3 50.0% 0 N/A% 0 0.0%
strtolower0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 0.0%