Diff Report
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #5198f0bb880efRun #5198f1db1bc51DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)10 6 -4 -40.0%
Incl. Wall Time (microsec) per call 5 3 -2 -40.0%
Excl. Wall Time (microsec)9 6 -3 -33.3%
Incl. CPU (microsecs)13 8 -5 -38.5%
Incl. CPU (microsecs) per call 7 4 -3 -38.5%
Excl. CPU (microsec)11 6 -5 -45.5%
Incl. MemUse (bytes)3,200 3,200 0 0.0%
Incl. MemUse (bytes) per call 1,600 1,600 0 0.0%
Excl. MemUse (bytes)2,384 2,384 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_set_preferred_header_name [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_set_preferred_header_name0 N/A% -4 -0.2% -5 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -75.0% -5 -100.0% 0 N/A% 0 N/A%
Parent functions
drupal_send_headers0 N/A% -3 -75.0% -4 -80.0% 0 N/A% 0 N/A%
drupal_add_http_header0 N/A% -1 -25.0% -1 -20.0% 0 N/A% 0 N/A%
Child function
strtolower0 N/A% -1 -25.0% 0 0.0% 0 N/A% 0 N/A%