Diff Report
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #517c76da9b0d3Run #517c75d3de7c7DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)19 15 -4 -21.1%
Incl. Wall Time (microsec) per call 3 3 -1 -21.1%
Excl. Wall Time (microsec)19 15 -4 -21.1%
Incl. CPU (microsecs)25 19 -6 -24.0%
Incl. CPU (microsecs) per call 4 3 -1 -24.0%
Excl. CPU (microsec)17 14 -3 -17.6%
Incl. MemUse (bytes)4,128 4,128 0 0.0%
Incl. MemUse (bytes) per call 688 688 0 0.0%
Excl. MemUse (bytes)3,248 3,248 0 0.0%
Incl. PeakMemUse (bytes)1,776 1,248 -528 -29.7%
Incl. PeakMemUse (bytes) per call 296 208 -88 -29.7%
Excl. PeakMemUse (bytes)1,296 768 -528 -40.7%

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 -0.0% -6 -0.0% 0 0.0% -528 -0.1%
Exclusive Metrics Diff for Current Function-4 -100.0% -3 -50.0% 0 N/A% -528 -100.0%
Parent functions
drupal_add_http_header0 N/A% -5 -125.0% -8 -133.3% 0 N/A% 0 0.0%
drupal_send_headers0 N/A% 1 25.0% 2 33.3% 0 N/A% -528 -100.0%
Child function
strtolower0 N/A% 0 0.0% -3 -50.0% 0 N/A% 0 0.0%