Diff Report
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d52b5a5611: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_send_headers

drupal_send_headersRun #517d51ae434deRun #517d52b5a5611DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)86 130 44 51.2%
Incl. Wall Time (microsec) per call 29 43 15 51.2%
Excl. Wall Time (microsec)49 90 41 83.7%
Incl. CPU (microsecs)87 133 46 52.9%
Incl. CPU (microsecs) per call 29 44 15 52.9%
Excl. CPU (microsec)29 75 46 158.6%
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)5,904 5,960 56 0.9%
Incl. PeakMemUse (bytes) per call 1,968 1,987 19 0.9%
Excl. PeakMemUse (bytes)2,200 2,200 0 0.0%

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% 44 1.8% 46 3.3% 0 0.0% 56 0.5%
Exclusive Metrics Diff for Current Function41 93.2% 46 100.0% 0 N/A% 0 0.0%
Parent function
drupal_add_http_header0 N/A% 44 100.0% 46 100.0% 0 N/A% 56 100.0%
Child functions
drupal_get_http_header0 N/A% 5 11.4% 6 13.0% 0 N/A% 0 0.0%
drupal_static0 N/A% -2 -4.5% -5 -10.9% 0 N/A% 0 0.0%
header0 N/A% 0 0.0% -3 -6.5% 0 N/A% 56 100.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 2 4.3% 0 N/A% 0 0.0%
strtolower0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%