XHProf: Hierarchical Profiler Report

Diff Report: Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for drupal_render

drupal_render	Run #5391fcf6ab927	Run #5391fc871e91d	Diff	Diff%
Number of Function Calls	10	10	0	0.0%
Incl. Wall Time (microsec)	282,061	282,799	738	0.3%
Incl. Wall Time (microsec) per call	28,206	28,280	74	0.3%
Excl. Wall Time (microsec)	487	478	-9	-1.8%
Incl. CPU (microsecs)	255,537	255,765	228	0.1%
Incl. CPU (microsecs) per call	25,554	25,577	23	0.1%
Excl. CPU (microsec)	427	411	-16	-3.7%
Incl. MemUse (bytes)	3,153,884	3,153,884	0	0.0%
Incl. MemUse (bytes) per call	315,388	315,388	0	0.0%
Excl. MemUse (bytes)	29,176	29,176	0	0.0%
Incl. PeakMemUse (bytes)	3,093,452	3,093,452	0	0.0%
Incl. PeakMemUse (bytes) per call	309,345	309,345	0	0.0%
Excl. PeakMemUse (bytes)	25,380	25,380	0	0.0%

Parent/Child Regression/Improvement report for drupal_render [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_render	0	N/A%	738	44.9%	228	15.2%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-9	-1.2%	-16	-7.0%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Controller\HtmlControllerBase::drupalRender	0	N/A%	575	77.9%	-210	-92.1%	0	N/A%	0	N/A%
Drupal\Core\Page\DefaultHtmlPageRenderer::render	0	N/A%	252	34.1%	122	53.5%	0	N/A%	0	N/A%
Drupal\Core\Page\DefaultHtmlFragmentRenderer::render	0	N/A%	-171	-23.2%	306	134.2%	0	N/A%	0	N/A%
Drupal\file\Plugin\Field\FieldWidget\FileWidget::formElement	0	N/A%	159	21.5%	86	37.7%	0	N/A%	0	N/A%
form_pre_render_actions_dropbutton	0	N/A%	-65	-8.8%	-64	-28.1%	0	N/A%	0	N/A%
_drupal_theme_initialize	0	N/A%	-12	-1.6%	-12	-5.3%	0	N/A%	0	N/A%
*Child functions*
drupal_render@1	0	N/A%	387	52.4%	586	257.0%	0	N/A%	0	N/A%
_theme	0	N/A%	378	51.2%	-172	-75.4%	0	N/A%	0	N/A%
drupal_render_collect_post_render_cache	0	N/A%	106	14.4%	107	46.9%	0	N/A%	0	N/A%
Drupal\Core\Render\Element::children	0	N/A%	-76	-10.3%	-77	-33.8%	0	N/A%	0	N/A%
drupal_render_collect_cache_tags	0	N/A%	-65	-8.8%	-66	-28.9%	0	N/A%	0	N/A%
drupal_process_attached	0	N/A%	12	1.6%	-141	-61.8%	0	N/A%	0	N/A%
call_user_func	0	N/A%	10	1.4%	8	3.5%	0	N/A%	0	N/A%
call_user_func@1	0	N/A%	-8	-1.1%	-6	-2.6%	0	N/A%	0	N/A%
_drupal_render_process_post_render_cache	0	N/A%	6	0.8%	6	2.6%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	-1	-0.1%	-1	-0.4%	0	N/A%	0	N/A%
element_info	0	N/A%	-1	-0.1%	0	0.0%	0	N/A%	0	N/A%
drupal_render_cache_get	0	N/A%	-1	-0.1%	-2	-0.9%	0	N/A%	0	N/A%
is_string	0	N/A%	0	0.0%	1	0.4%	0	N/A%	0	N/A%
drupal_render_cache_set	0	N/A%	0	0.0%	1	0.4%	0	N/A%	0	N/A%