Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\TypedData\Plugin\DataType\ItemList::first

Drupal\Core\TypedData\Plugin\DataType\ItemList::firstRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls202 202 0 0.0%
Incl. Wall Time (microsec)1,748 1,730 -18 -1.0%
Incl. Wall Time (microsec) per call 9 9 -0 -1.0%
Excl. Wall Time (microsec)763 752 -11 -1.4%
Incl. CPU (microsecs)1,947 1,919 -28 -1.4%
Incl. CPU (microsecs) per call 10 10 -0 -1.4%
Excl. CPU (microsec)756 729 -27 -3.6%
Incl. MemUse (bytes)3,888 3,888 0 0.0%
Incl. MemUse (bytes) per call 19 19 0 0.0%
Excl. MemUse (bytes)2,640 2,640 0 0.0%
Incl. PeakMemUse (bytes)7,388 7,388 0 0.0%
Incl. PeakMemUse (bytes) per call 37 37 0 0.0%
Excl. PeakMemUse (bytes)3,928 3,928 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\TypedData\Plugin\DataType\ItemList::first [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
Drupal\Core\TypedData\Plugin\DataType\ItemList::first0 N/A% -18 -1.2% -28 -4.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-11 -61.1% -27 -96.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Field\FieldItemList::__get0 N/A% -12 -66.7% -24 -85.7% 0 N/A% 0 N/A%
Drupal\Core\Field\FieldItemList::__isset0 N/A% -8 -44.4% -7 -25.0% 0 N/A% 0 N/A%
Drupal\Core\Field\FieldItemList::__get@10 N/A% 3 16.7% 3 10.7% 0 N/A% 0 N/A%
Drupal\Core\Field\FieldItemList::applyDefaultValue0 N/A% -1 -5.6% -1 -3.6% 0 N/A% 0 N/A%
Drupal\Core\Field\FieldItemList::__set0 N/A% 0 0.0% 1 3.6% 0 N/A% 0 N/A%
Child function
Drupal\Core\TypedData\Plugin\DataType\ItemList::get0 N/A% -7 -38.9% -1 -3.6% 0 N/A% 0 N/A%