Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)162 129 -33 -20.4%
Incl. Wall Time (microsec) per call 162 129 -33 -20.4%
Excl. Wall Time (microsec)30 29 -1 -3.3%
Incl. CPU (microsecs)164 131 -33 -20.1%
Incl. CPU (microsecs) per call 164 131 -33 -20.1%
Excl. CPU (microsec)25 23 -2 -8.0%
Incl. MemUse (bytes)13,976 13,976 0 0.0%
Incl. MemUse (bytes) per call 13,976 13,976 0 0.0%
Excl. MemUse (bytes)2,320 2,320 0 0.0%
Incl. PeakMemUse (bytes)9,576 9,576 0 0.0%
Incl. PeakMemUse (bytes) per call 9,576 9,576 0 0.0%
Excl. PeakMemUse (bytes)1,528 1,528 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% -33 -12.0% -33 -12.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -3.0% -2 -6.1% 0 N/A% 0 N/A%
Parent function
call_user_func_array@10 N/A% -33 -100.0% -33 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% -22 -66.7% -21 -63.6% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% -8 -24.2% -8 -24.2% 0 N/A% 0 N/A%
strtolower0 N/A% -3 -9.1% -3 -9.1% 0 N/A% 0 N/A%
drupal_static0 N/A% 1 3.0% 1 3.0% 0 N/A% 0 N/A%