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

drupal_add_http_headerRun #52907577b0b08Run #5290760896b28DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)93 94 1 1.1%
Incl. Wall Time (microsec) per call 16 16 0 1.1%
Excl. Wall Time (microsec)50 47 -3 -6.0%
Incl. CPU (microsecs)96 100 4 4.2%
Incl. CPU (microsecs) per call 16 17 1 4.2%
Excl. CPU (microsec)38 42 4 10.5%
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)7,816 7,632 -184 -2.4%
Incl. PeakMemUse (bytes) per call 1,303 1,272 -31 -2.4%
Excl. PeakMemUse (bytes)2,104 1,920 -184 -8.7%

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 Function-3 -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%