XHProf: Hierarchical Profiler Report

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

Drupal\Core\Field\BaseFieldDefinition::getPropertyDefinitions	Run #556d0efcc18be	Run #556d13edd0b22	Diff	Diff%
Number of Function Calls	523	523	0	0.0%
Incl. Wall Time (microsec)	4,248	3,877	-371	-8.7%
Incl. Wall Time (microsec) per call	8	7	-1	-8.7%
Excl. Wall Time (microsec)	304	269	-35	-11.5%
Incl. MemUse (bytes)	501,936	501,936	0	0.0%
Incl. MemUse (bytes) per call	960	960	0	0.0%
Excl. MemUse (bytes)	2,560	2,560	0	0.0%
Incl. PeakMemUse (bytes)	474,128	474,128	0	0.0%
Incl. PeakMemUse (bytes) per call	907	907	0	0.0%
Excl. PeakMemUse (bytes)	2,456	2,456	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\BaseFieldDefinition::getPropertyDefinitions	0	N/A%	-371	-1.2%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-35	-9.4%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\Field\TypedData\FieldItemDataDefinition::getPropertyDefinitions	0	N/A%	-371	-100.0%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::propertyDefinitions	0	N/A%	-350	-94.3%	0	N/A%	0	N/A%
Drupal\Core\Field\Plugin\Field\FieldType\UriItem::propertyDefinitions	0	N/A%	37	10.0%	0	N/A%	0	N/A%
Drupal\Core\Field\Plugin\Field\FieldType\BooleanItem::propertyDefinitions	0	N/A%	-17	-4.6%	0	N/A%	0	N/A%
Drupal\Core\Field\BaseFieldDefinition::getFieldItemClass	0	N/A%	-16	-4.3%	0	N/A%	0	N/A%
Drupal\Core\Field\Plugin\Field\FieldType\StringItemBase::propertyDefinitions	0	N/A%	9	2.4%	0	N/A%	0	N/A%
Drupal\Core\Field\Plugin\Field\FieldType\TimestampItem::propertyDefinitions	0	N/A%	1	0.3%	0	N/A%	0	N/A%