XHProf: Hierarchical Profiler Report

Diff Report: Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Field\FieldItemList::applyDefaultValue	Run #52e4a1c03557c	Run #52e4a222581ef	Diff	Diff%
Number of Function Calls	21	21	0	0.0%
Incl. Wall Time (microsec)	4,244	4,079	-165	-3.9%
Incl. Wall Time (microsec) per call	202	194	-8	-3.9%
Excl. Wall Time (microsec)	137	137	0	0.0%
Incl. CPU (microsecs)	3,973	3,813	-160	-4.0%
Incl. CPU (microsecs) per call	189	182	-8	-4.0%
Excl. CPU (microsec)	107	104	-3	-2.8%
Incl. MemUse (bytes)	247,896	247,856	-40	-0.0%
Incl. MemUse (bytes) per call	11,805	11,803	-2	-0.0%
Excl. MemUse (bytes)	1,288	1,288	0	0.0%
Incl. PeakMemUse (bytes)	252,016	252,088	72	0.0%
Incl. PeakMemUse (bytes) per call	12,001	12,004	3	0.0%
Excl. PeakMemUse (bytes)	2,120	2,120	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\Field\FieldItemList::applyDefaultValue	0	N/A%	-165	-33.5%	-160	-75.5%	-40	-0.2%	72	0.3%
Exclusive Metrics Diff for Current Function			0	0.0%	-3	-1.9%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\Entity\FieldableEntityStorageControllerBase::create	0	N/A%	-165	-100.0%	-160	-100.0%	-40	-100.0%	72	100.0%
*Child functions*
Drupal\entity_reference\Plugin\Field\FieldType\ConfigurableEntityReferenceFieldItemList::getDefaultValue	0	N/A%	-81	-49.1%	-79	-49.4%	-40	-100.0%	-24	-33.3%
Drupal\Core\TypedData\Plugin\DataType\Map::applyDefaultValue	0	N/A%	-71	-43.0%	-66	-41.2%	0	0.0%	96	133.3%
Drupal\Core\Field\FieldItemList::getDefaultValue	0	N/A%	-9	-5.5%	-8	-5.0%	0	0.0%	0	0.0%
Drupal\Core\TypedData\Plugin\DataType\ItemList::first	0	N/A%	-4	-2.4%	-4	-2.5%	0	0.0%	0	0.0%