Diff Report
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_send_headers

drupal_send_headersRun #517c7dc1dc4c3Run #517c7d73caad2DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)92 83 -9 -9.8%
Incl. Wall Time (microsec) per call 31 28 -3 -9.8%
Excl. Wall Time (microsec)52 49 -3 -5.8%
Incl. CPU (microsecs)94 86 -8 -8.5%
Incl. CPU (microsecs) per call 31 29 -3 -8.5%
Excl. CPU (microsec)43 33 -10 -23.3%
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)5,848 5,960 112 1.9%
Incl. PeakMemUse (bytes) per call 1,949 1,987 37 1.9%
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% -9 -2.5% -8 -0.9% 0 0.0% 112 4.6%
Exclusive Metrics Diff for Current Function-3 -33.3% -10 -125.0% 0 N/A% 0 0.0%
Parent function
drupal_add_http_header0 N/A% -9 -100.0% -8 -100.0% 0 N/A% 112 100.0%
Child functions
strtolower0 N/A% -2 -22.2% 0 0.0% 0 N/A% 0 0.0%
drupal_get_http_header0 N/A% -2 -22.2% -1 -12.5% 0 N/A% 0 0.0%
header0 N/A% -1 -11.1% 2 25.0% 0 N/A% 112 100.0%
drupal_static0 N/A% -1 -11.1% -1 -12.5% 0 N/A% 0 0.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 2 25.0% 0 N/A% 0 0.0%