Diff Report
Run #51774cdfb1214: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #51774cdfb1214Run #51774c26bf054DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)15 15 0 0.0%
Incl. Wall Time (microsec) per call 3 3 0 0.0%
Excl. Wall Time (microsec)15 15 0 0.0%
Incl. CPU (microsecs)21 21 0 0.0%
Incl. CPU (microsecs) per call 4 4 0 0.0%
Excl. CPU (microsec)20 18 -2 -10.0%
Incl. MemUse (bytes)4,144 4,128 -16 -0.4%
Incl. MemUse (bytes) per call 691 688 -3 -0.4%
Excl. MemUse (bytes)3,248 3,248 0 0.0%
Incl. PeakMemUse (bytes)1,208 1,840 632 52.3%
Incl. PeakMemUse (bytes) per call 201 307 105 52.3%
Excl. PeakMemUse (bytes)1,208 1,360 152 12.6%

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% 0 0.0% 0 0.0% -16 -0.2% 632 5.3%
Exclusive Metrics Diff for Current Function0 N/A% -2 N/A% 0 0.0% 152 24.1%
Parent functions
drupal_send_headers0 N/A% 0 N/A% 0 N/A% 0 0.0% 0 0.0%
drupal_add_http_header0 N/A% 0 N/A% 0 N/A% -16 -100.0% 632 100.0%
Child function
strtolower0 N/A% 0 N/A% 2 N/A% -16 -100.0% 480 75.9%