XHProf: Hierarchical Profiler Report

Diff Report: Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Form\FormBuilder::getFormId	Run #53920c043e98b	Run #53920b950c201	Diff	Diff%
Number of Function Calls	6	6	0	0.0%
Incl. Wall Time (microsec)	5,782	5,549	-233	-4.0%
Incl. Wall Time (microsec) per call	964	925	-39	-4.0%
Excl. Wall Time (microsec)	79	76	-3	-3.8%
Incl. CPU (microsecs)	5,194	4,969	-225	-4.3%
Incl. CPU (microsecs) per call	866	828	-38	-4.3%
Excl. CPU (microsec)	63	69	6	9.5%
Incl. MemUse (bytes)	474,484	474,484	0	0.0%
Incl. MemUse (bytes) per call	79,081	79,081	0	0.0%
Excl. MemUse (bytes)	2,000	2,000	0	0.0%
Incl. PeakMemUse (bytes)	464,448	464,464	16	0.0%
Incl. PeakMemUse (bytes) per call	77,408	77,411	3	0.0%
Excl. PeakMemUse (bytes)	568	568	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\Form\FormBuilder::getFormId	0	N/A%	-233	-65.1%	-225	-120.3%	0	0.0%	16	0.2%
Exclusive Metrics Diff for Current Function			-3	-1.3%	6	2.7%	0	N/A%	0	0.0%
*Parent functions*
Drupal\Core\Form\FormBuilder::getForm	0	N/A%	-224	-96.1%	-214	-95.1%	0	N/A%	60	375.0%
Drupal\Core\Form\FormBuilder::buildForm	0	N/A%	-9	-3.9%	-11	-4.9%	0	N/A%	-44	-275.0%
*Child functions*
Drupal\Core\DependencyInjection\ClassResolver::getInstanceFromDefinition	0	N/A%	-207	-88.8%	-198	-88.0%	4	N/A%	60	375.0%
class_exists	0	N/A%	-23	-9.9%	-24	-10.7%	-4	N/A%	-44	-275.0%
Drupal\search\Form\SearchBlockForm::getFormId	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
Drupal\user\Form\UserLoginForm::getFormId	0	N/A%	0	0.0%	-1	-0.4%	0	N/A%	0	0.0%
is_object	0	N/A%	0	0.0%	-5	-2.2%	0	N/A%	0	0.0%
is_string	0	N/A%	0	0.0%	-3	-1.3%	0	N/A%	0	0.0%