Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9457328375: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #51a944519b58cRun #51a9457328375DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)25 15 -10 -40.0%
Incl. Wall Time (microsec) per call 4 3 -2 -40.0%
Excl. Wall Time (microsec)22 14 -8 -36.4%
Incl. CPU (microsecs)31 21 -10 -32.3%
Incl. CPU (microsecs) per call 5 4 -2 -32.3%
Excl. CPU (microsec)24 19 -5 -20.8%
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)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% -10 -1.2% -10 -1.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -80.0% -5 -50.0% 0 N/A% 0 N/A%
Parent functions
drupal_add_http_header0 N/A% -7 -70.0% -7 -70.0% 0 N/A% 0 N/A%
drupal_send_headers0 N/A% -3 -30.0% -3 -30.0% 0 N/A% 0 N/A%
Child function
strtolower0 N/A% -2 -20.0% -5 -50.0% 0 N/A% 0 N/A%