Diff Report
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5197310fa6a63: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51972fb0786efRun #5197310fa6a63DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,921 2,113 192 10.0%
Incl. Wall Time (microsec) per call 1,921 2,113 192 10.0%
Excl. Wall Time (microsec)289 297 8 2.8%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)19,680 19,680 0 0.0%
Incl. MemUse (bytes) per call 19,680 19,680 0 0.0%
Excl. MemUse (bytes)3,232 3,232 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% 192 0.1% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function8 4.2% 0 N/A% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% 192 100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
_drupal_set_preferred_header_name0 N/A% 189 98.4% 0 N/A% 0 N/A% 0 N/A%
strtolower0 N/A% -3 -1.6% 0 N/A% 0 N/A% 0 N/A%
drupal_send_headers0 N/A% -1 -0.5% 0 N/A% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -0.5% 0 N/A% 0 N/A% 0 N/A%