Diff Report
Run #5290760896b28: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52907577b0b08: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #5290760896b28Run #52907577b0b08DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)94 93 -1 -1.1%
Incl. Wall Time (microsec) per call 16 16 -0 -1.1%
Excl. Wall Time (microsec)47 50 3 6.4%
Incl. CPU (microsecs)100 96 -4 -4.0%
Incl. CPU (microsecs) per call 17 16 -1 -4.0%
Excl. CPU (microsec)42 38 -4 -9.5%
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)7,632 7,816 184 2.4%
Incl. PeakMemUse (bytes) per call 1,272 1,303 31 2.4%
Excl. PeakMemUse (bytes)1,920 2,104 184 9.6%

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% -1 -0.0% -4 -0.2% 0 0.0% 184 0.4%
Exclusive Metrics Diff for Current Function3 300.0% -4 -100.0% 0 N/A% 184 100.0%
Parent function
call_user_func_array@20 N/A% -1 -100.0% -4 -100.0% 0 N/A% 184 100.0%
Child functions
drupal_static0 N/A% -2 -200.0% 1 25.0% 0 N/A% 0 0.0%
_drupal_set_preferred_header_name0 N/A% -2 -200.0% -2 -50.0% 0 N/A% 0 0.0%
strtolower0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 0.0%