Diff Report
Run #51ad02c47d041: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad024086f90: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51ad02c47d041Run #51ad024086f90DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)85 81 -4 -4.7%
Incl. Wall Time (microsec) per call 85 81 -4 -4.7%
Excl. Wall Time (microsec)17 15 -2 -11.8%
Incl. CPU (microsecs)86 83 -3 -3.5%
Incl. CPU (microsecs) per call 86 83 -3 -3.5%
Excl. CPU (microsec)10 13 3 30.0%
Incl. MemUse (bytes)14,072 14,080 8 0.1%
Incl. MemUse (bytes) per call 14,072 14,080 8 0.1%
Excl. MemUse (bytes)2,320 2,320 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% -4 -0.1% -3 -0.1% 8 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -50.0% 3 100.0% 0 0.0% 0 N/A%
Parent function
call_user_func_array0 N/A% -4 -100.0% -3 -100.0% 8 100.0% 0 N/A%
Child functions
drupal_static0 N/A% -1 -25.0% -2 -66.7% 0 0.0% 0 N/A%
drupal_send_headers0 N/A% -1 -25.0% -1 -33.3% 8 100.0% 0 N/A%
strtolower0 N/A% 0 0.0% -2 -66.7% 0 0.0% 0 N/A%
_drupal_set_preferred_header_name0 N/A% 0 0.0% -1 -33.3% 0 0.0% 0 N/A%