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

drupal_send_headersRun #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)83 98 15 18.1%
Incl. Wall Time (microsec) per call 28 33 5 18.1%
Excl. Wall Time (microsec)46 63 17 37.0%
Incl. CPU (microsecs)87 103 16 18.4%
Incl. CPU (microsecs) per call 29 34 5 18.4%
Excl. CPU (microsec)34 54 20 58.8%
Incl. MemUse (bytes)7,808 7,824 16 0.2%
Incl. MemUse (bytes) per call 2,603 2,608 5 0.2%
Excl. MemUse (bytes)-64 -48 16 25.0%
Incl. PeakMemUse (bytes)5,904 5,976 72 1.2%
Incl. PeakMemUse (bytes) per call 1,968 1,992 24 1.2%
Excl. PeakMemUse (bytes)2,200 2,216 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 Function17 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%