Diff Report
Run #517d73f55c548: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #517d73f55c548Run #517d7319aefb8DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)149 148 -1 -0.7%
Incl. Wall Time (microsec) per call 50 49 -0 -0.7%
Excl. Wall Time (microsec)33 35 2 6.1%
Incl. CPU (microsecs)151 149 -2 -1.3%
Incl. CPU (microsecs) per call 50 50 -1 -1.3%
Excl. CPU (microsec)26 22 -4 -15.4%
Incl. MemUse (bytes)14,520 14,520 0 0.0%
Incl. MemUse (bytes) per call 4,840 4,840 0 0.0%
Excl. MemUse (bytes)2,568 2,568 0 0.0%
Incl. PeakMemUse (bytes)8,880 8,880 0 0.0%
Incl. PeakMemUse (bytes) per call 2,960 2,960 0 0.0%
Excl. PeakMemUse (bytes)1,240 1,240 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 -0.0% -2 -0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 200.0% -4 -200.0% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% -1 -100.0% -2 -100.0% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% -4 -400.0% -4 -200.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 3 300.0% 6 300.0% 0 N/A% 0 N/A%
drupal_send_headers0 N/A% -2 -200.0% 0 0.0% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%