Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #519abf80bb905Run #519ac1a144fa6DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)13 12 -1 -7.7%
Incl. Wall Time (microsec) per call 7 6 -1 -7.7%
Excl. Wall Time (microsec)12 11 -1 -8.3%
Incl. CPU (microsecs)18 15 -3 -16.7%
Incl. CPU (microsecs) per call 9 8 -2 -16.7%
Excl. CPU (microsec)15 11 -4 -26.7%
Incl. MemUse (bytes)3,088 3,088 0 0.0%
Incl. MemUse (bytes) per call 1,544 1,544 0 0.0%
Excl. MemUse (bytes)2,272 2,272 0 0.0%
Incl. PeakMemUse (bytes)848 0 -848 -100.0%
Incl. PeakMemUse (bytes) per call 424 0 -424 -100.0%
Excl. PeakMemUse (bytes)632 0 -632 -100.0%

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% -1 -0.1% -3 -0.2% 0 0.0% -848 -0.1%
Exclusive Metrics Diff for Current Function-1 -100.0% -4 -133.3% 0 N/A% -632 -74.5%
Parent functions
drupal_send_headers0 N/A% -1 -100.0% -1 -33.3% 0 N/A% -400 -47.2%
drupal_add_http_header0 N/A% 0 0.0% -2 -66.7% 0 N/A% -448 -52.8%
Child function
strtolower0 N/A% 0 0.0% 1 33.3% 0 N/A% -216 -25.5%