Diff Report
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ed14bbba55: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #518eceb4aac68Run #518ed14bbba55DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)14 15 1 7.1%
Incl. Wall Time (microsec) per call 2 3 0 7.1%
Excl. Wall Time (microsec)13 14 1 7.7%
Incl. CPU (microsecs)26 26 0 0.0%
Incl. CPU (microsecs) per call 4 4 0 0.0%
Excl. CPU (microsec)24 25 1 4.2%
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 1,328 -448 -25.2%
Incl. PeakMemUse (bytes) per call 296 221 -75 -25.2%
Excl. PeakMemUse (bytes)1,296 1,248 -48 -3.7%

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% 1 0.4% 0 0.0% 0 0.0% -448 -2.4%
Exclusive Metrics Diff for Current Function1 100.0% 1 N/A% 0 N/A% -48 -10.7%
Parent functions
drupal_add_http_header0 N/A% 1 100.0% -4 N/A% 0 N/A% -448 -100.0%
drupal_send_headers0 N/A% 0 0.0% 4 N/A% 0 N/A% 0 0.0%
Child function
strtolower0 N/A% 0 0.0% -1 N/A% 0 N/A% -400 -89.3%