Diff Report
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e84845baf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #5192e6f7bc551Run #5192e84845bafDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)145 147 2 1.4%
Incl. Wall Time (microsec) per call 48 49 1 1.4%
Excl. Wall Time (microsec)33 32 -1 -3.0%
Incl. CPU (microsecs)149 149 0 0.0%
Incl. CPU (microsecs) per call 50 50 0 0.0%
Excl. CPU (microsec)26 24 -2 -7.7%
Incl. MemUse (bytes)14,616 14,616 0 0.0%
Incl. MemUse (bytes) per call 4,872 4,872 0 0.0%
Excl. MemUse (bytes)2,568 2,568 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 2 0.4% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -50.0% -2 N/A% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% 2 100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% 1 50.0% 1 N/A% 0 N/A% 0 N/A%
strtolower0 N/A% 1 50.0% 0 N/A% 0 N/A% 0 N/A%
drupal_static0 N/A% 1 50.0% 1 N/A% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%