Diff Report
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Symfony\Component\HttpFoundation\Response::sendHeaders

Symfony\Component\HttpFoundation\Response::sendHeadersRun #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)91 73 -18 -19.8%
Incl. Wall Time (microsec) per call 91 73 -18 -19.8%
Excl. Wall Time (microsec)39 39 0 0.0%
Incl. CPU (microsecs)91 75 -16 -17.6%
Incl. CPU (microsecs) per call 91 75 -16 -17.6%
Excl. CPU (microsec)28 30 2 7.1%
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)7,944 0 -7,944 -100.0%
Incl. PeakMemUse (bytes) per call 7,944 0 -7,944 -100.0%
Excl. PeakMemUse (bytes)2,512 0 -2,512 -100.0%

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% -18 -0.0% -16 -0.0% 0 0.0% -7,944 -1.4%
Exclusive Metrics Diff for Current Function0 0.0% 2 12.5% 0 N/A% -2,512 -31.6%
Parent function
Symfony\Component\HttpFoundation\Response::send0 N/A% -18 -100.0% -16 -100.0% 0 N/A% -7,944 -100.0%
Child functions
sprintf0 N/A% -17 -94.4% -17 -106.2% 0 N/A% -784 -9.9%
header0 N/A% -2 -11.1% -3 -18.8% 0 N/A% -920 -11.6%
Symfony\Component\HttpFoundation\ResponseHeaderBag::allPreserveCase0 N/A% 1 5.6% 1 6.2% 0 N/A% -1,592 -20.0%
Symfony\Component\HttpFoundation\ResponseHeaderBag::getCookies0 N/A% 0 0.0% 1 6.2% 0 N/A% -1,496 -18.8%
headers_sent0 N/A% 0 0.0% 0 0.0% 0 N/A% -640 -8.1%