XHProf: Hierarchical Profiler Report

Diff Report: Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de5cbd937a: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Render\Element::children

Drupal\Core\Render\Element::children	Run #541de429e5ab1	Run #541de5cbd937a	Diff	Diff%
Number of Function Calls	410	375	-35	-8.5%
Incl. Wall Time (microsec)	6,688	6,338	-350	-5.2%
Incl. Wall Time (microsec) per call	16	17	1	3.6%
Excl. Wall Time (microsec)	3,919	3,642	-277	-7.1%
Incl. CPU (microsecs)	7,060	6,677	-383	-5.4%
Incl. CPU (microsecs) per call	17	18	1	3.4%
Excl. CPU (microsec)	3,610	3,347	-263	-7.3%
Incl. MemUse (bytes)	184,496	173,960	-10,536	-5.7%
Incl. MemUse (bytes) per call	450	464	14	3.1%
Excl. MemUse (bytes)	41,240	38,752	-2,488	-6.0%
Incl. PeakMemUse (bytes)	20,792	20,976	184	0.9%
Incl. PeakMemUse (bytes) per call	51	56	5	10.3%
Excl. PeakMemUse (bytes)	14,152	14,344	192	1.4%

Parent/Child Regression/Improvement report for Drupal\Core\Render\Element::children [View Callgraph Diff]

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\Render\Element::children	-35	-38.9%	-350	-3.8%	-383	-4.6%	-10,536	-8.8%	184	0.2%
Exclusive Metrics Diff for Current Function			-277	-79.1%	-263	-68.7%	-2,488	-23.6%	192	104.3%
*Parent functions*
template_preprocess_item_list	-12	-34.3%	-88	-25.1%	-96	-25.1%	-4,920	-46.7%	0	0.0%
drupal_render@3	-12	-34.3%	-148	-42.3%	-155	-40.5%	-4,112	-39.0%	0	0.0%
drupal_render@4	-10	-28.6%	-64	-18.3%	-79	-20.6%	-1,360	-12.9%	0	0.0%
drupal_render@2	-1	-2.9%	-30	-8.6%	-35	-9.1%	-136	-1.3%	192	104.3%
Drupal\Core\Render\Element\Actions::preRenderActionsDropbutton	0	0.0%	-1	-0.3%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@1	0	0.0%	0	0.0%	-3	-0.8%	0	0.0%	0	0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@2	0	0.0%	0	0.0%	-1	-0.3%	0	0.0%	0	0.0%
Drupal\Core\Render\Element::getVisibleChildren	0	0.0%	0	0.0%	-1	-0.3%	0	0.0%	0	0.0%
Drupal\Core\Form\FormBuilder::doBuildForm	0	0.0%	-1	-0.3%	-1	-0.3%	0	0.0%	0	0.0%
Drupal\Core\Render\Element\RenderElement::preRenderGroup	0	0.0%	1	0.3%	0	0.0%	0	0.0%	0	0.0%
template_preprocess_node	0	0.0%	-2	-0.6%	-4	-1.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityViewBuilder::buildMultiple	0	0.0%	-1	-0.3%	1	0.3%	0	0.0%	0	0.0%
drupal_render@1	0	0.0%	-13	-3.7%	-9	-2.3%	0	0.0%	0	0.0%
drupal_render@5	0	0.0%	5	1.4%	-1	-0.3%	0	0.0%	0	0.0%
drupal_render@6	0	0.0%	1	0.3%	8	2.1%	-8	-0.1%	-8	-4.3%
template_preprocess_user	0	0.0%	3	0.9%	4	1.0%	0	0.0%	0	0.0%
drupal_render	0	0.0%	0	0.0%	-3	-0.8%	0	0.0%	0	0.0%
drupal_pre_render_links	0	0.0%	-12	-3.4%	-8	-2.1%	0	0.0%	0	0.0%
*Child functions*
array_keys	-35	-63.6%	-42	-12.0%	-89	-23.2%	-8,048	-76.4%	-8	-4.3%
is_array	-20	-36.4%	-20	-5.7%	-26	-6.8%	0	0.0%	0	0.0%
uasort	0	0.0%	-11	-3.1%	-5	-1.3%	0	0.0%	0	0.0%