Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Symfony\Component\HttpFoundation\ServerBag::getHeaders

Symfony\Component\HttpFoundation\ServerBag::getHeadersRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)858 831 -27 -3.1%
Incl. Wall Time (microsec) per call 61 59 -2 -3.1%
Excl. Wall Time (microsec)749 761 12 1.6%
Incl. CPU (microsecs)871 847 -24 -2.8%
Incl. CPU (microsecs) per call 62 61 -2 -2.8%
Excl. CPU (microsec)495 484 -11 -2.2%
Incl. MemUse (bytes)14,448 14,448 0 0.0%
Incl. MemUse (bytes) per call 1,032 1,032 0 0.0%
Excl. MemUse (bytes)9,800 9,800 0 0.0%
Incl. PeakMemUse (bytes)10,384 10,384 0 0.0%
Incl. PeakMemUse (bytes) per call 742 742 0 0.0%
Excl. PeakMemUse (bytes)8,272 8,272 0 0.0%

Parent/Child Regression/Improvement report for Symfony\Component\HttpFoundation\ServerBag::getHeaders [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\ServerBag::getHeaders0 N/A% -27 -0.7% -24 -0.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function12 44.4% -11 -45.8% 0 N/A% 0 N/A%
Parent function
Symfony\Component\HttpFoundation\Request::initialize0 N/A% -27 -100.0% -24 -100.0% 0 N/A% 0 N/A%
Child functions
strpos0 N/A% -26 -96.3% -18 -75.0% 0 N/A% 0 N/A%
substr0 N/A% -13 -48.1% 4 16.7% 0 N/A% 0 N/A%
stripos0 N/A% 0 0.0% 1 4.2% 0 N/A% 0 N/A%