Diff Report
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: 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 #534ad9c94e95bRun #534ad8dec7444DiffDiff%
Number of Function Calls202 202 0 0.0%
Incl. Wall Time (microsec)1,697 1,748 51 3.0%
Incl. Wall Time (microsec) per call 8 9 0 3.0%
Excl. Wall Time (microsec)744 763 19 2.6%
Incl. CPU (microsecs)1,922 1,947 25 1.3%
Incl. CPU (microsecs) per call 10 10 0 1.3%
Excl. CPU (microsec)759 756 -3 -0.4%
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% 51 3.1% 25 5.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function19 37.3% -3 -12.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Field\FieldItemList::__get0 N/A% 49 96.1% 38 152.0% 0 N/A% 0 N/A%
Drupal\Core\Field\FieldItemList::__isset0 N/A% 5 9.8% -1 -4.0% 0 N/A% 0 N/A%
Drupal\Core\Field\FieldItemList::__get@10 N/A% -5 -9.8% -6 -24.0% 0 N/A% 0 N/A%
Drupal\Core\Field\FieldItemList::__set0 N/A% 1 2.0% -5 -20.0% 0 N/A% 0 N/A%
Drupal\Core\Field\FieldItemList::applyDefaultValue0 N/A% 1 2.0% -1 -4.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\TypedData\Plugin\DataType\ItemList::get0 N/A% 32 62.7% 28 112.0% 0 N/A% 0 N/A%