Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for _drupal_set_preferred_header_name

_drupal_set_preferred_header_nameRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
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 14 0 0.0%
Incl. CPU (microsecs)19 21 2 10.5%
Incl. CPU (microsecs) per call 3 4 0 10.5%
Excl. CPU (microsec)15 16 1 6.7%
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)1,248 1,776 528 42.3%
Incl. PeakMemUse (bytes) per call 208 296 88 42.3%
Excl. PeakMemUse (bytes)768 1,296 528 68.8%

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 -0.0% 2 0.0% 0 0.0% 528 0.1%
Exclusive Metrics Diff for Current Function0 0.0% 1 50.0% 0 N/A% 528 100.0%
Parent functions
drupal_send_headers0 N/A% -1 -100.0% 0 0.0% 0 N/A% 528 100.0%
drupal_add_http_header0 N/A% 0 0.0% 2 100.0% 0 N/A% 0 0.0%
Child function
strtolower0 N/A% -1 -100.0% 1 50.0% 0 N/A% 0 0.0%