XHProf: Hierarchical Profiler Report

Diff Report: Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Field\TypedData\FieldItemDataDefinition::getPropertyDefinitions	Run #53923d861ff11	Run #53923e49d2b58	Diff	Diff%
Number of Function Calls	218	218	0	0.0%
Incl. Wall Time (microsec)	14,849	14,795	-54	-0.4%
Incl. Wall Time (microsec) per call	68	68	-0	-0.4%
Excl. Wall Time (microsec)	870	859	-11	-1.3%
Incl. CPU (microsecs)	15,080	15,030	-50	-0.3%
Incl. CPU (microsecs) per call	69	69	-0	-0.3%
Excl. CPU (microsec)	830	827	-3	-0.4%
Incl. MemUse (bytes)	216,052	216,040	-12	-0.0%
Incl. MemUse (bytes) per call	991	991	-0	-0.0%
Excl. MemUse (bytes)	2,396	2,396	0	0.0%
Incl. PeakMemUse (bytes)	265,980	191,020	-74,960	-28.2%
Incl. PeakMemUse (bytes) per call	1,220	876	-344	-28.2%
Excl. PeakMemUse (bytes)	2,332	2,332	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\TypedData\FieldItemDataDefinition::getPropertyDefinitions	0	N/A%	-54	-3.4%	-50	-4.6%	-12	-1.4%	-74,960	-10770.1%
Exclusive Metrics Diff for Current Function			-11	-20.4%	-3	-6.0%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Core\Field\FieldItemBase::__construct	0	N/A%	-34	-63.0%	-34	-68.0%	-12	-100.0%	-74,960	-100.0%
Drupal\text\Plugin\Field\FieldType\TextItemBase::onChange	0	N/A%	-1	-1.9%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Field\FieldItemBase::setValue	0	N/A%	-15	-27.8%	-15	-30.0%	0	0.0%	0	0.0%
Drupal\Core\TypedData\Plugin\DataType\Map::getProperties	0	N/A%	-4	-7.4%	-1	-2.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Field\FieldDefinition::getPropertyDefinitions	0	N/A%	9	16.7%	1	2.0%	-12	-100.0%	-74,944	-100.0%
Drupal\field\Entity\FieldInstanceConfig::getPropertyDefinitions	0	N/A%	-52	-96.3%	-48	-96.0%	0	0.0%	-16	-0.0%