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\Field\FieldItemBase::__construct

Drupal\Core\Field\FieldItemBase::__constructRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls57 57 0 0.0%
Incl. Wall Time (microsec)19,666 20,484 818 4.2%
Incl. Wall Time (microsec) per call 345 359 14 4.2%
Excl. Wall Time (microsec)1,100 1,115 15 1.4%
Incl. CPU (microsecs)19,731 20,525 794 4.0%
Incl. CPU (microsecs) per call 346 360 14 4.0%
Excl. CPU (microsec)901 905 4 0.4%
Incl. MemUse (bytes)391,088 391,088 0 0.0%
Incl. MemUse (bytes) per call 6,861 6,861 0 0.0%
Excl. MemUse (bytes)2,692 2,692 0 0.0%
Incl. PeakMemUse (bytes)360,560 360,560 0 0.0%
Incl. PeakMemUse (bytes) per call 6,326 6,326 0 0.0%
Excl. PeakMemUse (bytes)3,900 3,900 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Field\FieldItemBase::__construct [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\Field\FieldItemBase::__construct0 N/A% 818 56.3% 794 135.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function15 1.8% 4 0.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\TypedData\TypedDataManager::createInstance@10 N/A% 818 100.0% 794 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Field\TypedData\FieldItemDataDefinition::getPropertyDefinitions0 N/A% 659 80.6% 646 81.4% 0 N/A% 0 N/A%
Drupal\Core\TypedData\TypedDataManager::getPropertyInstance@20 N/A% 142 17.4% 143 18.0% 0 N/A% 0 N/A%
Drupal::typedDataManager0 N/A% 10 1.2% 7 0.9% 0 N/A% 0 N/A%
Drupal\Core\TypedData\DataDefinition::isComputed0 N/A% -7 -0.9% -4 -0.5% 0 N/A% 0 N/A%
Drupal\Core\TypedData\TypedData::__construct0 N/A% -1 -0.1% -2 -0.3% 0 N/A% 0 N/A%