XHProf: Hierarchical Profiler Report

Diff Report: Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Form\FormBuilder::doBuildForm@5	Run #5391fc871e91d	Run #5391fd5a43e70	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	996	979	-17	-1.7%
Incl. Wall Time (microsec) per call	332	326	-6	-1.7%
Excl. Wall Time (microsec)	177	163	-14	-7.9%
Incl. CPU (microsecs)	1,002	983	-19	-1.9%
Incl. CPU (microsecs) per call	334	328	-6	-1.9%
Excl. CPU (microsec)	155	139	-16	-10.3%
Incl. MemUse (bytes)	19,424	19,424	0	0.0%
Incl. MemUse (bytes) per call	6,475	6,475	0	0.0%
Excl. MemUse (bytes)	-1,908	-1,908	0	0.0%
Incl. PeakMemUse (bytes)	18,784	18,764	-20	-0.1%
Incl. PeakMemUse (bytes) per call	6,261	6,255	-7	-0.1%
Excl. PeakMemUse (bytes)	2,496	2,496	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%	-17	-1.0%	-19	-4.8%	0	0.0%	-20	-0.1%
Exclusive Metrics Diff for Current Function			-14	-82.4%	-16	-84.2%	0	N/A%	0	0.0%
*Parent function*
Drupal\Core\Form\FormBuilder::doBuildForm@4	0	N/A%	-17	-100.0%	-19	-100.0%	0	N/A%	-20	-100.0%
*Child functions*
Drupal\Core\Form\FormBuilder::doBuildForm@6	0	N/A%	14	82.4%	14	73.7%	0	N/A%	0	0.0%
Drupal\Core\Form\FormBuilder::drupalHtmlId	0	N/A%	-13	-76.5%	-14	-73.7%	0	N/A%	0	0.0%
Drupal\Core\Form\FormBuilder::handleInputElement	0	N/A%	-3	-17.6%	-4	-21.1%	0	N/A%	0	0.0%
array_merge	0	N/A%	-1	-5.9%	-2	-10.5%	0	N/A%	0	0.0%
Drupal\Core\Render\Element::children	0	N/A%	-1	-5.9%	0	0.0%	0	N/A%	0	0.0%
call_user_func_array@2	0	N/A%	1	5.9%	1	5.3%	0	N/A%	-20	-100.0%
implode	0	N/A%	0	0.0%	2	10.5%	0	N/A%	0	0.0%