Diff Report
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962849973a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #5219624c55207Run #521962849973aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)26 27 1 3.8%
Incl. Wall Time (microsec) per call 26 27 1 3.8%
Excl. Wall Time (microsec)11 12 1 9.1%
Incl. CPU (microsecs)27 28 1 3.7%
Incl. CPU (microsecs) per call 27 28 1 3.7%
Excl. CPU (microsec)7 10 3 42.9%
Incl. MemUse (bytes)6,008 6,008 0 0.0%
Incl. MemUse (bytes) per call 6,008 6,008 0 0.0%
Excl. MemUse (bytes)2,024 2,024 0 0.0%
Incl. PeakMemUse (bytes)3,272 3,272 0 0.0%
Incl. PeakMemUse (bytes) per call 3,272 3,272 0 0.0%
Excl. PeakMemUse (bytes)1,408 1,408 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% 1 1.9% 1 0.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 100.0% 3 300.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array@20 N/A% 1 100.0% 1 100.0% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% 0 0.0% -2 -200.0% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%