Diff Report
Run #53180b3960796: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53180c595dcf8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #53180b3960796Run #53180c595dcf8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)34 30 -4 -11.8%
Incl. Wall Time (microsec) per call 34 30 -4 -11.8%
Excl. Wall Time (microsec)17 14 -3 -17.6%
Incl. CPU (microsecs)41 32 -9 -22.0%
Incl. CPU (microsecs) per call 41 32 -9 -22.0%
Excl. CPU (microsec)17 10 -7 -41.2%
Incl. MemUse (bytes)5,968 5,984 16 0.3%
Incl. MemUse (bytes) per call 5,968 5,984 16 0.3%
Excl. MemUse (bytes)2,016 2,016 0 0.0%
Incl. PeakMemUse (bytes)3,600 0 -3,600 -100.0%
Incl. PeakMemUse (bytes) per call 3,600 0 -3,600 -100.0%
Excl. PeakMemUse (bytes)1,296 0 -1,296 -100.0%

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% -4 -0.3% -9 -0.6% 16 0.0% -3,600 -0.9%
Exclusive Metrics Diff for Current Function-3 -75.0% -7 -77.8% 0 0.0% -1,296 -36.0%
Parent function
call_user_func_array@10 N/A% -4 -100.0% -9 -100.0% 16 100.0% -3,600 -100.0%
Child functions
drupal_static0 N/A% -1 -25.0% -1 -11.1% 0 0.0% -576 -16.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% -2 -22.2% 16 100.0% -1,248 -34.7%
strtolower0 N/A% 0 0.0% 1 11.1% 0 0.0% -480 -13.3%