Diff Report
Run #52353dd1139c1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52353d82849e7: 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 #52353dd1139c1Run #52353d82849e7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)64 57 -7 -10.9%
Incl. Wall Time (microsec) per call 64 57 -7 -10.9%
Excl. Wall Time (microsec)22 20 -2 -9.1%
Incl. CPU (microsecs)65 58 -7 -10.8%
Incl. CPU (microsecs) per call 65 58 -7 -10.8%
Excl. CPU (microsec)15 19 4 26.7%
Incl. MemUse (bytes)6,056 6,056 0 0.0%
Incl. MemUse (bytes) per call 6,056 6,056 0 0.0%
Excl. MemUse (bytes)2,024 2,024 0 0.0%
Incl. PeakMemUse (bytes)5,160 5,160 0 0.0%
Incl. PeakMemUse (bytes) per call 5,160 5,160 0 0.0%
Excl. PeakMemUse (bytes)1,440 1,440 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% -7 -23.3% -7 -0.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -28.6% 4 57.1% 0 N/A% 0 N/A%
Parent function
call_user_func_array@20 N/A% -7 -100.0% -7 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_static0 N/A% -4 -57.1% -6 -85.7% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% -1 -14.3% -3 -42.9% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% -2 -28.6% 0 N/A% 0 N/A%