Diff Report
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #519a496084867Run #519a4774889ddDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)122 74 -48 -39.3%
Incl. Wall Time (microsec) per call 61 37 -24 -39.3%
Excl. Wall Time (microsec)100 61 -39 -39.0%
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)4,368 4,384 16 0.4%
Incl. MemUse (bytes) per call 2,184 2,192 8 0.4%
Excl. MemUse (bytes)3,200 3,216 16 0.5%
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% -48 -0.0% 0 0.0% 16 0.1% 0 0.0%
Exclusive Metrics Diff for Current Function-39 -81.2% 0 N/A% 16 100.0% 0 N/A%
Parent functions
drupal_add_http_header0 N/A% -35 -72.9% 0 N/A% -24 -150.0% 0 N/A%
drupal_send_headers0 N/A% -13 -27.1% 0 N/A% 40 250.0% 0 N/A%
Child function
strtolower0 N/A% -9 -18.8% 0 N/A% 0 0.0% 0 N/A%