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\Field\TypedData\FieldItemDataDefinition::getPropertyDefinitions	Run #5392041970f3f	Run #539201f8938f4	Diff	Diff%
Number of Function Calls	80	80	0	0.0%
Incl. Wall Time (microsec)	9,617	9,674	57	0.6%
Incl. Wall Time (microsec) per call	120	121	1	0.6%
Excl. Wall Time (microsec)	315	316	1	0.3%
Incl. CPU (microsecs)	9,706	9,774	68	0.7%
Incl. CPU (microsecs) per call	121	122	1	0.7%
Excl. CPU (microsec)	311	318	7	2.3%
Incl. MemUse (bytes)	182,064	214,820	32,756	18.0%
Incl. MemUse (bytes) per call	2,276	2,685	409	18.0%
Excl. MemUse (bytes)	2,396	2,396	0	0.0%
Incl. PeakMemUse (bytes)	166,804	229,980	63,176	37.9%
Incl. PeakMemUse (bytes) per call	2,085	2,875	790	37.9%
Excl. PeakMemUse (bytes)	2,296	2,296	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%	57	3.9%	68	2.5%	32,756	56.2%	63,176	106.3%
Exclusive Metrics Diff for Current Function			1	1.8%	7	10.3%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Core\Field\FieldItemBase::__construct	0	N/A%	49	86.0%	52	76.5%	32,756	100.0%	63,176	100.0%
Drupal\Core\Field\FieldItemBase::setValue	0	N/A%	11	19.3%	15	22.1%	0	0.0%	0	0.0%
Drupal\text\Plugin\Field\FieldType\TextItemBase::onChange	0	N/A%	-2	-3.5%	1	1.5%	0	0.0%	0	0.0%
Drupal\Core\TypedData\Plugin\DataType\Map::getProperties	0	N/A%	-1	-1.8%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Field\FieldDefinition::getPropertyDefinitions	0	N/A%	70	122.8%	75	110.3%	32,768	100.0%	63,188	100.0%
Drupal\field\Entity\FieldInstanceConfig::getPropertyDefinitions	0	N/A%	-14	-24.6%	-14	-20.6%	-12	-0.0%	-12	-0.0%