XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for user_access

user_access	Run #51ec52a09990a	Run #51ec517fc2424	Diff	Diff%
Number of Function Calls	55	55	0	0.0%
Incl. Wall Time (microsec)	13,140	12,872	-268	-2.0%
Incl. Wall Time (microsec) per call	239	234	-5	-2.0%
Excl. Wall Time (microsec)	428	426	-2	-0.5%
Incl. CPU (microsecs)	12,869	12,766	-103	-0.8%
Incl. CPU (microsecs) per call	234	232	-2	-0.8%
Excl. CPU (microsec)	342	363	21	6.1%
Incl. MemUse (bytes)	638,184	638,192	8	0.0%
Incl. MemUse (bytes) per call	11,603	11,603	0	0.0%
Excl. MemUse (bytes)	19,240	19,248	8	0.0%
Incl. PeakMemUse (bytes)	641,296	638,720	-2,576	-0.4%
Incl. PeakMemUse (bytes) per call	11,660	11,613	-47	-0.4%
Excl. PeakMemUse (bytes)	1,800	1,800	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%	-268	-6.6%	-103	-2.4%	8	0.0%	-2,576	-11.2%
Exclusive Metrics Diff for Current Function			-2	-0.7%	21	20.4%	8	100.0%	0	0.0%
*Parent functions*
system_custom_theme	0	N/A%	-234	-87.3%	-72	-69.9%	0	0.0%	56	2.2%
Drupal\user\Access\PermissionAccessCheck::access	0	N/A%	38	14.2%	41	39.8%	0	0.0%	0	0.0%
comment_node_view	0	N/A%	33	12.3%	34	33.0%	0	0.0%	0	0.0%
_menu_check_access	0	N/A%	32	11.9%	33	32.0%	0	0.0%	0	0.0%
node_views_query_substitutions	0	N/A%	-26	-9.7%	-28	-27.2%	0	0.0%	0	0.0%
search_is_active	0	N/A%	-24	-9.0%	-23	-22.3%	0	0.0%	0	0.0%
tour_toolbar	0	N/A%	-23	-8.6%	-22	-21.4%	0	0.0%	0	0.0%
template_preprocess_username	0	N/A%	-23	-8.6%	-24	-23.3%	0	0.0%	-1,144	-44.4%
user_template_preprocess_default_variables_alter	0	N/A%	-21	-7.8%	-21	-20.4%	8	100.0%	-1,488	-57.8%
contextual_toolbar	0	N/A%	-11	-4.1%	-12	-11.7%	0	0.0%	0	0.0%
tour_preprocess_page	0	N/A%	9	3.4%	10	9.7%	0	0.0%	0	0.0%
views_preprocess_html	0	N/A%	-8	-3.0%	-8	-7.8%	0	0.0%	0	0.0%
shortcut_set_edit_access	0	N/A%	-8	-3.0%	-6	-5.8%	0	0.0%	0	0.0%
shortcut_set_switch_access	0	N/A%	-5	-1.9%	-4	-3.9%	0	0.0%	0	0.0%
contextual_page_build	0	N/A%	-4	-1.5%	-4	-3.9%	0	0.0%	0	0.0%
Drupal\node\NodeAccessController::createAccess	0	N/A%	3	1.1%	2	1.9%	0	0.0%	0	0.0%
toolbar_page_build	0	N/A%	3	1.1%	4	3.9%	0	0.0%	0	0.0%
edit_page_build	0	N/A%	3	1.1%	5	4.9%	0	0.0%	0	0.0%
Drupal\overlay\EventSubscriber\OverlaySubscriber::onRequest	0	N/A%	-2	-0.7%	-3	-2.9%	0	0.0%	0	0.0%
node_help	0	N/A%	1	0.4%	-1	-1.0%	0	0.0%	0	0.0%
Drupal\search\Plugin\Block\SearchBlock::access	0	N/A%	-1	-0.4%	0	0.0%	0	0.0%	0	0.0%
Drupal\views\Plugin\views\display\DisplayPluginBase::access	0	N/A%	0	0.0%	-1	-1.0%	0	0.0%	0	0.0%
node_query_node_access_alter	0	N/A%	0	0.0%	-3	-2.9%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Session\UserSession::hasPermission	0	N/A%	-265	-98.9%	-100	-97.1%	0	0.0%	-2,576	-100.0%
Drupal::request	0	N/A%	-1	-0.4%	-10	-9.7%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\ParameterBag::get	0	N/A%	0	0.0%	-14	-13.6%	0	0.0%	0	0.0%