XHProf: Hierarchical Profiler Report

Diff Report: Run #556d13edd0b22: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::onChange	Run #556d13edd0b22	Run #556d0efcc18be	Diff	Diff%
Number of Function Calls	596	596	0	0.0%
Incl. Wall Time (microsec)	21,745	21,073	-672	-3.1%
Incl. Wall Time (microsec) per call	36	35	-1	-3.1%
Excl. Wall Time (microsec)	4,051	3,953	-98	-2.4%
Incl. MemUse (bytes)	56,824	56,824	0	0.0%
Incl. MemUse (bytes) per call	95	95	0	0.0%
Excl. MemUse (bytes)	3,496	3,496	0	0.0%
Incl. PeakMemUse (bytes)	7,312	7,312	0	0.0%
Incl. PeakMemUse (bytes) per call	12	12	0	0.0%
Excl. PeakMemUse (bytes)	2,568	2,568	0	0.0%

Function Name	Calls Diff	Calls Diff%	Incl. Wall Diff (microsec)	IWall Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::onChange	0	N/A%	-672	-2.1%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-98	-14.6%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\TypedData\Plugin\DataType\Map::set	0	N/A%	-663	-98.7%	0	N/A%	0	N/A%
Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::setValue	0	N/A%	-9	-1.3%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\TypedData\Plugin\DataType\Map::onChange	0	N/A%	-579	-86.2%	0	N/A%	0	N/A%
Drupal\Core\Entity\Plugin\DataType\EntityReference::getTargetIdentifier	0	N/A%	-39	-5.8%	0	N/A%	0	N/A%
Drupal\Core\Entity\Plugin\DataType\EntityReference::isTargetNew	0	N/A%	28	4.2%	0	N/A%	0	N/A%
Drupal\Core\TypedData\Plugin\DataType\Map::get	0	N/A%	16	2.4%	0	N/A%	0	N/A%
Drupal\Core\Field\FieldItemBase::__get	0	N/A%	-5	-0.7%	0	N/A%	0	N/A%
Drupal\Core\Field\FieldItemBase::writePropertyValue	0	N/A%	5	0.7%	0	N/A%	0	N/A%