Diff Report
Run #523e49a66dc20: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523e4c6056bfd: 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 #523e49a66dc20Run #523e4c6056bfdDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)39 36 -3 -7.7%
Incl. Wall Time (microsec) per call 39 36 -3 -7.7%
Excl. Wall Time (microsec)15 13 -2 -13.3%
Incl. CPU (microsecs)41 37 -4 -9.8%
Incl. CPU (microsecs) per call 41 37 -4 -9.8%
Excl. CPU (microsec)13 11 -2 -15.4%
Incl. MemUse (bytes)6,152 6,008 -144 -2.3%
Incl. MemUse (bytes) per call 6,152 6,008 -144 -2.3%
Excl. MemUse (bytes)2,096 2,024 -72 -3.4%
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% -3 -0.0% -4 -0.0% -144 -0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -66.7% -2 -50.0% -72 -50.0% 0 N/A%
Parent function
call_user_func_array@10 N/A% -3 -100.0% -4 -100.0% -144 -100.0% 0 N/A%
Child functions
drupal_static0 N/A% -1 -33.3% -2 -50.0% -16 -11.1% 0 N/A%
_drupal_set_preferred_header_name0 N/A% 0 0.0% -1 -25.0% -16 -11.1% 0 N/A%
strtolower0 N/A% 0 0.0% 1 25.0% -40 -27.8% 0 N/A%