XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5d631cb28: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for user_access

user_access	Run #51ec5ca916d7d	Run #51ec5d631cb28	Diff	Diff%
Number of Function Calls	54	54	0	0.0%
Incl. Wall Time (microsec)	12,069	11,981	-88	-0.7%
Incl. Wall Time (microsec) per call	224	222	-2	-0.7%
Excl. Wall Time (microsec)	373	372	-1	-0.3%
Incl. CPU (microsecs)	12,011	11,962	-49	-0.4%
Incl. CPU (microsecs) per call	222	222	-1	-0.4%
Excl. CPU (microsec)	327	307	-20	-6.1%
Incl. MemUse (bytes)	620,880	620,880	0	0.0%
Incl. MemUse (bytes) per call	11,498	11,498	0	0.0%
Excl. MemUse (bytes)	19,248	19,248	0	0.0%
Incl. PeakMemUse (bytes)	644,240	642,672	-1,568	-0.2%
Incl. PeakMemUse (bytes) per call	11,930	11,901	-29	-0.2%
Excl. PeakMemUse (bytes)	2,184	2,184	0	0.0%

Parent/Child Regression/Improvement report for user_access [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*
user_access	0	N/A%	-88	-1.1%	-49	-0.5%	0	0.0%	-1,568	-2.4%
Exclusive Metrics Diff for Current Function			-1	-1.1%	-20	-40.8%	0	N/A%	0	0.0%
*Parent functions*
node_views_query_substitutions	0	N/A%	-90	-102.3%	-83	-169.4%	0	N/A%	0	0.0%
Drupal\node\NodeAccessController::createAccess	0	N/A%	71	80.7%	71	144.9%	0	N/A%	0	0.0%
Drupal\views\Plugin\views\display\DisplayPluginBase::access	0	N/A%	-48	-54.5%	-47	-95.9%	0	N/A%	0	0.0%
Drupal\node\NodeAccessController::checkCreateAccess	0	N/A%	37	42.0%	39	79.6%	0	N/A%	0	0.0%
Drupal\user\Plugin\views\access\Permission::access	0	N/A%	-33	-37.5%	-33	-67.3%	0	N/A%	-40	-2.6%
Drupal\overlay\EventSubscriber\OverlaySubscriber::onRequest	0	N/A%	-21	-23.9%	-21	-42.9%	0	N/A%	0	0.0%
Drupal\search\Plugin\Block\SearchBlock::access	0	N/A%	-20	-22.7%	-21	-42.9%	0	N/A%	0	0.0%
comment_node_view	0	N/A%	-18	-20.5%	-15	-30.6%	0	N/A%	0	0.0%
_node_add_access	0	N/A%	18	20.5%	19	38.8%	0	N/A%	0	0.0%
tour_preprocess_page	0	N/A%	17	19.3%	18	36.7%	0	N/A%	0	0.0%
template_preprocess_username	0	N/A%	12	13.6%	13	26.5%	0	N/A%	-1,512	-96.4%
shortcut_set_edit_access	0	N/A%	-8	-9.1%	-5	-10.2%	0	N/A%	0	0.0%
Drupal\user\Access\PermissionAccessCheck::access	0	N/A%	-6	-6.8%	-2	-4.1%	0	N/A%	0	0.0%
user_template_preprocess_default_variables_alter	0	N/A%	-4	-4.5%	-3	-6.1%	0	N/A%	0	0.0%
node_query_node_access_alter	0	N/A%	3	3.4%	5	10.2%	0	N/A%	0	0.0%
system_custom_theme	0	N/A%	3	3.4%	15	30.6%	0	N/A%	-16	-1.0%
views_preprocess_html	0	N/A%	1	1.1%	1	2.0%	0	N/A%	0	0.0%
_menu_check_access	0	N/A%	-1	-1.1%	-2	-4.1%	0	N/A%	0	0.0%
toolbar_page_build	0	N/A%	-1	-1.1%	0	0.0%	0	N/A%	0	0.0%
search_is_active	0	N/A%	0	0.0%	1	2.0%	0	N/A%	0	0.0%
node_help	0	N/A%	0	0.0%	1	2.0%	0	N/A%	0	0.0%
contextual_page_build	0	N/A%	0	0.0%	-1	-2.0%	0	N/A%	0	0.0%
edit_page_build	0	N/A%	0	0.0%	1	2.0%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Session\UserSession::hasPermission	0	N/A%	-82	-93.2%	-34	-69.4%	0	N/A%	-1,488	-94.9%
Drupal::request	0	N/A%	-3	-3.4%	7	14.3%	0	N/A%	-80	-5.1%
Symfony\Component\HttpFoundation\ParameterBag::get	0	N/A%	-2	-2.3%	-2	-4.1%	0	N/A%	0	0.0%