XHProf: Hierarchical Profiler Report

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

Drupal\Core\TypedData\DataReferenceDefinition::create	Run #5392041970f3f	Run #539201f8938f4	Diff	Diff%
Number of Function Calls	12	12	0	0.0%
Incl. Wall Time (microsec)	818	825	7	0.9%
Incl. Wall Time (microsec) per call	68	69	1	0.9%
Excl. Wall Time (microsec)	183	167	-16	-8.7%
Incl. CPU (microsecs)	835	845	10	1.2%
Incl. CPU (microsecs) per call	70	70	1	1.2%
Excl. CPU (microsec)	149	123	-26	-17.4%
Incl. MemUse (bytes)	13,364	46,132	32,768	245.2%
Incl. MemUse (bytes) per call	1,114	3,844	2,731	245.2%
Excl. MemUse (bytes)	2,368	2,368	0	0.0%
Incl. PeakMemUse (bytes)	11,240	73,916	62,676	557.6%
Incl. PeakMemUse (bytes) per call	937	6,160	5,223	557.6%
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::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%
Drupal\Core\TypedData\DataReferenceDefinition::setTargetDefinition	0	N/A%	0	0.0%	5	50.0%	0	0.0%	0	0.0%