Diff Report
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c6200dd578: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #519c60f26cf68Run #519c6200dd578DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)120 134 14 11.7%
Incl. Wall Time (microsec) per call 120 134 14 11.7%
Excl. Wall Time (microsec)23 26 3 13.0%
Incl. CPU (microsecs)121 136 15 12.4%
Incl. CPU (microsecs) per call 121 136 15 12.4%
Excl. CPU (microsec)17 21 4 23.5%
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% 14 0.2% 15 0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 21.4% 4 26.7% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% 14 100.0% 15 100.0% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% 7 50.0% 8 53.3% 0 N/A% 0 N/A%
drupal_static0 N/A% 4 28.6% 5 33.3% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% -1 -6.7% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% 0 0.0% -1 -6.7% 0 N/A% 0 N/A%