Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Symfony\Component\HttpFoundation\Response::sendHeaders

Symfony\Component\HttpFoundation\Response::sendHeadersRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)75 71 -4 -5.3%
Incl. Wall Time (microsec) per call 75 71 -4 -5.3%
Excl. Wall Time (microsec)40 39 -1 -2.5%
Incl. CPU (microsecs)75 76 1 1.3%
Incl. CPU (microsecs) per call 75 76 1 1.3%
Excl. CPU (microsec)30 32 2 6.7%
Incl. MemUse (bytes)10,184 10,184 0 0.0%
Incl. MemUse (bytes) per call 10,184 10,184 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)0 7,944 7,944 N/A%
Incl. PeakMemUse (bytes) per call 0 7,944 7,944 N/A%
Excl. PeakMemUse (bytes)0 2,512 2,512 N/A%

Parent/Child Regression/Improvement report for Symfony\Component\HttpFoundation\Response::sendHeaders [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
Symfony\Component\HttpFoundation\Response::sendHeaders0 N/A% -4 -0.0% 1 0.0% 0 0.0% 7,944 2.2%
Exclusive Metrics Diff for Current Function-1 -25.0% 2 200.0% 0 N/A% 2,512 31.6%
Parent function
Symfony\Component\HttpFoundation\Response::send0 N/A% -4 -100.0% 1 100.0% 0 N/A% 7,944 100.0%
Child functions
header0 N/A% -3 -75.0% -2 -200.0% 0 N/A% 920 11.6%
Symfony\Component\HttpFoundation\ResponseHeaderBag::allPreserveCase0 N/A% 2 50.0% 0 0.0% 0 N/A% 1,592 20.0%
sprintf0 N/A% -1 -25.0% -1 -100.0% 0 N/A% 784 9.9%
Symfony\Component\HttpFoundation\ResponseHeaderBag::getCookies0 N/A% -1 -25.0% 1 100.0% 0 N/A% 1,496 18.8%
headers_sent0 N/A% 0 0.0% 1 100.0% 0 N/A% 640 8.1%