Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)77 74 -3 -3.9%
Incl. Wall Time (microsec) per call 13 12 -1 -3.9%
Excl. Wall Time (microsec)43 42 -1 -2.3%
Incl. CPU (microsecs)81 77 -4 -4.9%
Incl. CPU (microsecs) per call 14 13 -1 -4.9%
Excl. CPU (microsec)32 29 -3 -9.4%
Incl. MemUse (bytes)6,704 6,704 0 0.0%
Incl. MemUse (bytes) per call 1,117 1,117 0 0.0%
Excl. MemUse (bytes)2,464 2,464 0 0.0%
Incl. PeakMemUse (bytes)4,544 4,544 0 0.0%
Incl. PeakMemUse (bytes) per call 757 757 0 0.0%
Excl. PeakMemUse (bytes)2,264 2,264 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% -3 -0.3% -4 -0.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -33.3% -3 -75.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array@10 N/A% -3 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% -1 -33.3% -2 -50.0% 0 N/A% 0 N/A%
strtolower0 N/A% -1 -33.3% 2 50.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% -1 -25.0% 0 N/A% 0 N/A%