Diff Report
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_send_headers

drupal_send_headersRun #517d7587ada9cRun #517d750163e11DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)98 83 -15 -15.3%
Incl. Wall Time (microsec) per call 33 28 -5 -15.3%
Excl. Wall Time (microsec)63 46 -17 -27.0%
Incl. CPU (microsecs)103 87 -16 -15.5%
Incl. CPU (microsecs) per call 34 29 -5 -15.5%
Excl. CPU (microsec)54 34 -20 -37.0%
Incl. MemUse (bytes)7,824 7,808 -16 -0.2%
Incl. MemUse (bytes) per call 2,608 2,603 -5 -0.2%
Excl. MemUse (bytes)-48 -64 -16 -33.3%
Incl. PeakMemUse (bytes)5,976 5,904 -72 -1.2%
Incl. PeakMemUse (bytes) per call 1,992 1,968 -24 -1.2%
Excl. PeakMemUse (bytes)2,216 2,200 -16 -0.7%

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% -15 -0.2% -16 -0.2% -16 -0.1% -72 -0.7%
Exclusive Metrics Diff for Current Function-17 -113.3% -20 -125.0% -16 -100.0% -16 -22.2%
Parent function
drupal_add_http_header0 N/A% -15 -100.0% -16 -100.0% -16 -100.0% -72 -100.0%
Child functions
drupal_static0 N/A% 1 6.7% 1 6.2% 0 0.0% 0 0.0%
drupal_get_http_header0 N/A% 1 6.7% 3 18.8% 0 0.0% 0 0.0%
header0 N/A% 0 0.0% 1 6.2% 0 0.0% -56 -77.8%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
strtolower0 N/A% 0 0.0% -1 -6.2% 0 0.0% 0 0.0%