Diff Report
Run #51a18906335b0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a188154f4e0: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Symfony\Component\HttpFoundation\Response::sendHeaders

Symfony\Component\HttpFoundation\Response::sendHeadersRun #51a18906335b0Run #51a188154f4e0DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)134 13 -121 -90.3%
Incl. Wall Time (microsec) per call 134 13 -121 -90.3%
Excl. Wall Time (microsec)63 11 -52 -82.5%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)5,768 1,252 -4,516 -78.3%
Incl. MemUse (bytes) per call 5,768 1,252 -4,516 -78.3%
Excl. MemUse (bytes)508 792 284 55.9%
Incl. PeakMemUse (bytes)5,292 0 -5,292 -100.0%
Incl. PeakMemUse (bytes) per call 5,292 0 -5,292 -100.0%
Excl. PeakMemUse (bytes)1,684 0 -1,684 -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 0.0% -121 -0.1% 0 0.0% -4,516 -0.7% -5,292 -0.8%
Exclusive Metrics Diff for Current Function-52 -43.0% 0 N/A% 284 6.3% -1,684 -31.8%
Parent function
Symfony\Component\HttpFoundation\Response::send0 N/A% -121 -100.0% 0 N/A% -4,516 -100.0% -5,292 -100.0%
Child functions
header-9 -75.0% -31 -25.6% 0 N/A% -1,080 -23.9% -660 -12.5%
Symfony\Component\HttpFoundation\ResponseHeaderBag::getCookies-1 -8.3% -19 -15.7% 0 N/A% -1,280 -28.3% -836 -15.8%
Symfony\Component\HttpFoundation\ResponseHeaderBag::allPreserveCase-1 -8.3% -12 -9.9% 0 N/A% -1,636 -36.2% -980 -18.5%
sprintf-1 -8.3% -7 -5.8% 0 N/A% -804 -17.8% -788 -14.9%
headers_sent0 0.0% 0 0.0% 0 N/A% 0 0.0% -344 -6.5%