XHProf: Hierarchical Profiler Report

Diff Report: Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\TypedData\DataReferenceDefinition::create	Run #539201f8938f4	Run #5392041970f3f	Diff	Diff%
Number of Function Calls	12	12	0	0.0%
Incl. Wall Time (microsec)	825	818	-7	-0.8%
Incl. Wall Time (microsec) per call	69	68	-1	-0.8%
Excl. Wall Time (microsec)	167	183	16	9.6%
Incl. CPU (microsecs)	845	835	-10	-1.2%
Incl. CPU (microsecs) per call	70	70	-1	-1.2%
Excl. CPU (microsec)	123	149	26	21.1%
Incl. MemUse (bytes)	46,132	13,364	-32,768	-71.0%
Incl. MemUse (bytes) per call	3,844	1,114	-2,731	-71.0%
Excl. MemUse (bytes)	2,368	2,368	0	0.0%
Incl. PeakMemUse (bytes)	73,916	11,240	-62,676	-84.8%
Incl. PeakMemUse (bytes) per call	6,160	937	-5,223	-84.8%
Excl. PeakMemUse (bytes)	2,212	2,212	0	0.0%

Function Name	Calls Diff	Calls 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\DataReferenceDefinition::create	0	N/A%	-7	-0.5%	-10	-0.4%	-32,768	-56.3%	-62,676	-105.5%
Exclusive Metrics Diff for Current Function			16	228.6%	26	260.0%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Core\Field\Plugin\Field\FieldType\LanguageItem::propertyDefinitions	0	N/A%	-35	-500.0%	-39	-390.0%	-32,768	-100.0%	-62,676	-100.0%
Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::propertyDefinitions	0	N/A%	28	400.0%	29	290.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\TypedData\DataDefinition::create	0	N/A%	-38	-542.9%	-42	-420.0%	-32,768	-100.0%	-62,676	-100.0%
Drupal\Core\TypedData\DataReferenceDefinition::setTargetDefinition	0	N/A%	0	0.0%	-5	-50.0%	0	0.0%	0	0.0%
Drupal::typedDataManager	0	N/A%	9	128.6%	10	100.0%	0	0.0%	0	0.0%
Drupal\Core\TypedData\TypedDataManager::createDataDefinition	0	N/A%	6	85.7%	1	10.0%	0	0.0%	0	0.0%