XHProf: Hierarchical Profiler Report

Diff Report: Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Form\FormBuilder::doBuildForm@5	Run #534ad9c94e95b	Run #534ad8dec7444	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	1,059	1,049	-10	-0.9%
Incl. Wall Time (microsec) per call	353	350	-3	-0.9%
Excl. Wall Time (microsec)	167	172	5	3.0%
Incl. CPU (microsecs)	1,063	1,053	-10	-0.9%
Incl. CPU (microsecs) per call	354	351	-3	-0.9%
Excl. CPU (microsec)	139	151	12	8.6%
Incl. MemUse (bytes)	19,592	19,588	-4	-0.0%
Incl. MemUse (bytes) per call	6,531	6,529	-1	-0.0%
Excl. MemUse (bytes)	-1,908	-1,908	0	0.0%
Incl. PeakMemUse (bytes)	17,868	17,736	-132	-0.7%
Incl. PeakMemUse (bytes) per call	5,956	5,912	-44	-0.7%
Excl. PeakMemUse (bytes)	2,436	2,436	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::doBuildForm@5	0	N/A%	-10	-0.6%	-10	-2.0%	-4	-0.0%	-132	-0.5%
Exclusive Metrics Diff for Current Function			5	50.0%	12	120.0%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\Form\FormBuilder::doBuildForm@4	0	N/A%	-10	-100.0%	-10	-100.0%	-4	-100.0%	-132	-100.0%
*Child functions*
Drupal\Core\Form\FormBuilder::doBuildForm@6	0	N/A%	-12	-120.0%	-16	-160.0%	-4	-100.0%	-132	-100.0%
call_user_func_array@2	0	N/A%	-2	-20.0%	3	30.0%	0	0.0%	0	0.0%
Drupal\Core\Render\Element::children	0	N/A%	-1	-10.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Form\FormBuilder::handleInputElement	0	N/A%	0	0.0%	-1	-10.0%	0	0.0%	0	0.0%
Drupal\Core\Form\FormBuilder::drupalHtmlId	0	N/A%	0	0.0%	-3	-30.0%	0	0.0%	0	0.0%
array_merge	0	N/A%	0	0.0%	-3	-30.0%	0	0.0%	0	0.0%
implode	0	N/A%	0	0.0%	-2	-20.0%	0	0.0%	0	0.0%