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

_drupal_set_preferred_header_nameRun #518ed14bbba55Run #518eceb4aac68DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)15 14 -1 -6.7%
Incl. Wall Time (microsec) per call 3 2 -0 -6.7%
Excl. Wall Time (microsec)14 13 -1 -7.1%
Incl. CPU (microsecs)26 26 0 0.0%
Incl. CPU (microsecs) per call 4 4 0 0.0%
Excl. CPU (microsec)25 24 -1 -4.0%
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)1,328 1,776 448 33.7%
Incl. PeakMemUse (bytes) per call 221 296 75 33.7%
Excl. PeakMemUse (bytes)1,248 1,296 48 3.8%

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 Function-1 -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%