Diff Report
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d52998923d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Symfony\Component\HttpFoundation\Response::sendHeaders

Symfony\Component\HttpFoundation\Response::sendHeadersRun #517d51ae434deRun #517d52998923dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)77 70 -7 -9.1%
Incl. Wall Time (microsec) per call 77 70 -7 -9.1%
Excl. Wall Time (microsec)37 40 3 8.1%
Incl. CPU (microsecs)78 71 -7 -9.0%
Incl. CPU (microsecs) per call 78 71 -7 -9.0%
Excl. CPU (microsec)29 25 -4 -13.8%
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 7,944 0 0.0%
Incl. PeakMemUse (bytes) per call 7,944 7,944 0 0.0%
Excl. PeakMemUse (bytes)2,512 2,512 0 0.0%

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% -7 -0.2% -7 -0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 42.9% -4 -57.1% 0 N/A% 0 N/A%
Parent function
Symfony\Component\HttpFoundation\Response::send0 N/A% -7 -100.0% -7 -100.0% 0 N/A% 0 N/A%
Child functions
sprintf0 N/A% -6 -85.7% -5 -71.4% 0 N/A% 0 N/A%
header0 N/A% -4 -57.1% -1 -14.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ResponseHeaderBag::getCookies0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ResponseHeaderBag::allPreserveCase0 N/A% 0 0.0% 3 42.9% 0 N/A% 0 N/A%
headers_sent0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%