Diff Report
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0a965645d: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #519c0a514701fRun #519c0a965645dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)125 160 35 28.0%
Incl. Wall Time (microsec) per call 125 160 35 28.0%
Excl. Wall Time (microsec)23 24 1 4.3%
Incl. CPU (microsecs)128 160 32 25.0%
Incl. CPU (microsecs) per call 128 160 32 25.0%
Excl. CPU (microsec)22 16 -6 -27.3%
Incl. MemUse (bytes)7,616 7,616 0 0.0%
Incl. MemUse (bytes) per call 7,616 7,616 0 0.0%
Excl. MemUse (bytes)1,224 1,224 0 0.0%
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% 35 2.3% 32 3.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 2.9% -6 -18.8% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% 35 100.0% 32 100.0% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% 37 105.7% 38 118.8% 0 N/A% 0 N/A%
drupal_static0 N/A% -2 -5.7% -2 -6.2% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% -1 -2.9% 1 3.1% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% 1 3.1% 0 N/A% 0 N/A%