Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: 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 #534ad9c94e95bDiffDiff%
Number of Function Calls202 202 0 0.0%
Incl. Wall Time (microsec)1,748 1,697 -51 -2.9%
Incl. Wall Time (microsec) per call 9 8 -0 -2.9%
Excl. Wall Time (microsec)763 744 -19 -2.5%
Incl. CPU (microsecs)1,947 1,922 -25 -1.3%
Incl. CPU (microsecs) per call 10 10 -0 -1.3%
Excl. CPU (microsec)756 759 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 Function-19 -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%