XHProf: Hierarchical Profiler Report

Diff Report: Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Component\Utility\NestedArray::mergeDeep	Run #519d4dc9980f7	Run #519d4cd4e396d	Diff	Diff%
Number of Function Calls	74	74	0	0.0%
Incl. Wall Time (microsec)	4,554	4,537	-17	-0.4%
Incl. Wall Time (microsec) per call	62	61	-0	-0.4%
Excl. Wall Time (microsec)	613	609	-4	-0.7%
Incl. CPU (microsecs)	4,649	4,625	-24	-0.5%
Incl. CPU (microsecs) per call	63	63	-0	-0.5%
Excl. CPU (microsec)	524	530	6	1.1%
Incl. MemUse (bytes)	59,304	59,304	0	0.0%
Incl. MemUse (bytes) per call	801	801	0	0.0%
Excl. MemUse (bytes)	-71,180	-71,164	16	0.0%
Incl. PeakMemUse (bytes)	21,276	21,296	20	0.1%
Incl. PeakMemUse (bytes) per call	288	288	0	0.1%
Excl. PeakMemUse (bytes)	632	632	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\Component\Utility\NestedArray::mergeDeep	0	N/A%	-17	-0.1%	-24	-0.2%	0	0.0%	20	3.1%
Exclusive Metrics Diff for Current Function			-4	-23.5%	6	25.0%	16	N/A%	0	0.0%
*Parent functions*
Drupal\filter\FilterBag::initializePlugin	0	N/A%	-14	-82.4%	-17	-70.8%	0	N/A%	0	0.0%
rdf_preprocess_username	0	N/A%	-8	-47.1%	-7	-29.2%	0	N/A%	0	0.0%
Drupal\Core\Extension\ModuleHandler::invokeAll	0	N/A%	7	41.2%	1	4.2%	0	N/A%	20	100.0%
rdf_get_namespaces	0	N/A%	-1	-5.9%	0	0.0%	0	N/A%	0	0.0%
Drupal\Component\Annotation\Plugin::__construct	0	N/A%	-1	-5.9%	-2	-8.3%	0	N/A%	0	0.0%
Drupal\Core\Theme\ThemeSettings::mergeData	0	N/A%	0	0.0%	1	4.2%	0	N/A%	0	0.0%
*Child functions*
Drupal\Component\Utility\NestedArray::mergeDeepArray	0	N/A%	-13	-76.5%	-19	-79.2%	0	N/A%	20	100.0%
func_get_args	0	N/A%	0	0.0%	-11	-45.8%	-16	N/A%	0	0.0%