Diff Report
Run #518ef09a47b3b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Symfony\Component\HttpFoundation\Response::sendHeaders

Symfony\Component\HttpFoundation\Response::sendHeadersRun #518ef09a47b3bRun #518eee9367b5dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)87 72 -15 -17.2%
Incl. Wall Time (microsec) per call 87 72 -15 -17.2%
Excl. Wall Time (microsec)53 40 -13 -24.5%
Incl. CPU (microsecs)88 76 -12 -13.6%
Incl. CPU (microsecs) per call 88 76 -12 -13.6%
Excl. CPU (microsec)43 33 -10 -23.3%
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)7,776 7,776 0 0.0%
Incl. PeakMemUse (bytes) per call 7,776 7,776 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% -15 -8.1% -12 -2.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-13 -86.7% -10 -83.3% 0 N/A% 0 N/A%
Parent function
Symfony\Component\HttpFoundation\Response::send0 N/A% -15 -100.0% -12 -100.0% 0 N/A% 0 N/A%
Child functions
Symfony\Component\HttpFoundation\ResponseHeaderBag::allPreserveCase0 N/A% 2 13.3% 2 16.7% 0 N/A% 0 N/A%
header0 N/A% -2 -13.3% -5 -41.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ResponseHeaderBag::getCookies0 N/A% -1 -6.7% 0 0.0% 0 N/A% 0 N/A%
sprintf0 N/A% -1 -6.7% 1 8.3% 0 N/A% 0 N/A%
headers_sent0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%