Diff Report
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_send_headers

drupal_send_headersRun #517c1770a3264Run #517c1836bbd84DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)89 82 -7 -7.9%
Incl. Wall Time (microsec) per call 30 27 -2 -7.9%
Excl. Wall Time (microsec)49 46 -3 -6.1%
Incl. CPU (microsecs)91 86 -5 -5.5%
Incl. CPU (microsecs) per call 30 29 -2 -5.5%
Excl. CPU (microsec)37 35 -2 -5.4%
Incl. MemUse (bytes)7,808 7,808 0 0.0%
Incl. MemUse (bytes) per call 2,603 2,603 0 0.0%
Excl. MemUse (bytes)-64 -64 0 0.0%
Incl. PeakMemUse (bytes)6,056 5,920 -136 -2.2%
Incl. PeakMemUse (bytes) per call 2,019 1,973 -45 -2.2%
Excl. PeakMemUse (bytes)2,296 2,160 -136 -5.9%

Parent/Child Regression/Improvement report for drupal_send_headers [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_send_headers0 N/A% -7 -0.4% -5 -0.3% 0 0.0% -136 -2.2%
Exclusive Metrics Diff for Current Function-3 -42.9% -2 -40.0% 0 N/A% -136 -100.0%
Parent function
drupal_add_http_header0 N/A% -7 -100.0% -5 -100.0% 0 N/A% -136 -100.0%
Child functions
drupal_static0 N/A% -4 -57.1% -5 -100.0% 0 N/A% 0 0.0%
header0 N/A% 0 0.0% 1 20.0% 0 N/A% 0 0.0%
strtolower0 N/A% 0 0.0% 1 20.0% 0 N/A% 0 0.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 0.0%
drupal_get_http_header0 N/A% 0 0.0% 1 20.0% 0 N/A% 0 0.0%