Diff Report
Run #520840e157983: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Symfony\Component\HttpFoundation\ServerBag::getHeaders

Symfony\Component\HttpFoundation\ServerBag::getHeadersRun #520840e157983Run #5208407650493DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)496 500 4 0.8%
Incl. Wall Time (microsec) per call 62 63 1 0.8%
Excl. Wall Time (microsec)477 479 2 0.4%
Incl. CPU (microsecs)507 512 5 1.0%
Incl. CPU (microsecs) per call 63 64 1 1.0%
Excl. CPU (microsec)290 302 12 4.1%
Incl. MemUse (bytes)10,128 10,128 0 0.0%
Incl. MemUse (bytes) per call 1,266 1,266 0 0.0%
Excl. MemUse (bytes)6,440 6,440 0 0.0%
Incl. PeakMemUse (bytes)11,896 9,776 -2,120 -17.8%
Incl. PeakMemUse (bytes) per call 1,487 1,222 -265 -17.8%
Excl. PeakMemUse (bytes)9,784 7,696 -2,088 -21.3%

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% 4 1.7% 5 0.6% 0 0.0% -2,120 -7.3%
Exclusive Metrics Diff for Current Function2 50.0% 12 240.0% 0 N/A% -2,088 -98.5%
Parent function
Symfony\Component\HttpFoundation\Request::initialize0 N/A% 4 100.0% 5 100.0% 0 N/A% -2,120 -100.0%
Child functions
strpos0 N/A% 2 50.0% -3 -60.0% 0 N/A% 0 0.0%
stripos0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 0.0%
substr0 N/A% 0 0.0% -3 -60.0% 0 N/A% -32 -1.5%