Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8bb569af: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #519fe7ae1f6ccRun #519fe8bb569afDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)19 11 -8 -42.1%
Incl. Wall Time (microsec) per call 10 6 -4 -42.1%
Excl. Wall Time (microsec)18 10 -8 -44.4%
Incl. CPU (microsecs)23 15 -8 -34.8%
Incl. CPU (microsecs) per call 12 8 -4 -34.8%
Excl. CPU (microsec)11 11 0 0.0%
Incl. MemUse (bytes)3,200 3,200 0 0.0%
Incl. MemUse (bytes) per call 1,600 1,600 0 0.0%
Excl. MemUse (bytes)2,384 2,384 0 0.0%
Incl. PeakMemUse (bytes)1,912 1,912 0 0.0%
Incl. PeakMemUse (bytes) per call 956 956 0 0.0%
Excl. PeakMemUse (bytes)1,296 1,296 0 0.0%

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% -8 -0.7% -8 -1.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -100.0% 0 0.0% 0 N/A% 0 N/A%
Parent functions
drupal_add_http_header0 N/A% -8 -100.0% -8 -100.0% 0 N/A% 0 N/A%
drupal_send_headers0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
strtolower0 N/A% 0 0.0% -8 -100.0% 0 N/A% 0 N/A%