XHProf: Hierarchical Profiler Report

Diff Report: Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Template\Attribute::__construct

Drupal\Core\Template\Attribute::__construct	Run #5392041970f3f	Run #539201f8938f4	Diff	Diff%
Number of Function Calls	141	139	-2	-1.4%
Incl. Wall Time (microsec)	6,805	6,663	-142	-2.1%
Incl. Wall Time (microsec) per call	48	48	-0	-0.7%
Excl. Wall Time (microsec)	1,269	1,250	-19	-1.5%
Incl. CPU (microsecs)	6,972	6,821	-151	-2.2%
Incl. CPU (microsecs) per call	49	49	-0	-0.8%
Excl. CPU (microsec)	1,160	1,141	-19	-1.6%
Incl. MemUse (bytes)	93,776	92,104	-1,672	-1.8%
Incl. MemUse (bytes) per call	665	663	-2	-0.4%
Excl. MemUse (bytes)	22,984	22,284	-700	-3.0%
Incl. PeakMemUse (bytes)	37,144	35,744	-1,400	-3.8%
Incl. PeakMemUse (bytes) per call	263	257	-6	-2.4%
Excl. PeakMemUse (bytes)	9,924	9,044	-880	-8.9%

Parent/Child Regression/Improvement report for Drupal\Core\Template\Attribute::__construct [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\Template\Attribute::__construct	-2	-25.0%	-142	-9.7%	-151	-5.6%	-1,672	-2.9%	-1,400	-2.4%
Exclusive Metrics Diff for Current Function			-19	-13.4%	-19	-12.6%	-700	-41.9%	-880	-62.9%
*Parent functions*
_theme@3	-1	-50.0%	-105	-73.9%	-107	-70.9%	-1,372	-82.1%	-1,372	-98.0%
_theme@2	-1	-50.0%	-24	-16.9%	-29	-19.2%	-280	-16.7%	-208	-14.9%
l	0	0.0%	-22	-15.5%	-30	-19.9%	0	0.0%	44	3.1%
_theme	0	0.0%	19	13.4%	18	11.9%	-8	-0.5%	208	14.9%
template_preprocess_input	0	0.0%	-16	-11.3%	-16	-10.6%	-12	-0.7%	-44	-3.1%
_theme@1	0	0.0%	11	7.7%	13	8.6%	0	0.0%	0	0.0%
drupal_pre_render_html_tag	0	0.0%	9	6.3%	9	6.0%	8	0.5%	-28	-2.0%
Drupal\Core\Utility\LinkGenerator::generateFromUrl	0	0.0%	-6	-4.2%	-7	-4.6%	0	0.0%	0	0.0%
theme_menu_link	0	0.0%	-4	-2.8%	-5	-3.3%	0	0.0%	0	0.0%
Drupal\Core\Page\HeadElement::__toString	0	0.0%	-4	-2.8%	-3	-2.0%	0	0.0%	0	0.0%
template_preprocess_rdf_metadata	0	0.0%	2	1.4%	0	0.0%	0	0.0%	0	0.0%
contextual_pre_render_placeholder	0	0.0%	-2	-1.4%	-1	-0.7%	0	0.0%	0	0.0%
theme_form_element_label	0	0.0%	-1	-0.7%	-1	-0.7%	0	0.0%	0	0.0%
template_preprocess_toolbar	0	0.0%	1	0.7%	7	4.6%	-8	-0.5%	-8	-0.6%
template_preprocess_item_list	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Page\HtmlPage::__construct	0	0.0%	0	0.0%	1	0.7%	0	0.0%	0	0.0%
template_preprocess_field	0	0.0%	0	0.0%	1	0.7%	0	0.0%	0	0.0%
template_preprocess_links	0	0.0%	0	0.0%	-1	-0.7%	0	0.0%	8	0.6%
*Child function*
Drupal\Core\Template\Attribute::offsetSet	-6	-100.0%	-123	-86.6%	-132	-87.4%	-972	-58.1%	-520	-37.1%