XHProf: Hierarchical Profiler Report

Diff Report: Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

user_roles	Run #519ff7de62889	Run #519ff693b4ca2	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	4,002	4,028	26	0.6%
Incl. Wall Time (microsec) per call	4,002	4,028	26	0.6%
Excl. Wall Time (microsec)	74	78	4	5.4%
Incl. CPU (microsecs)	3,893	3,930	37	1.0%
Incl. CPU (microsecs) per call	3,893	3,930	37	1.0%
Excl. CPU (microsec)	49	59	10	20.4%
Incl. MemUse (bytes)	95,232	95,216	-16	-0.0%
Incl. MemUse (bytes) per call	95,232	95,216	-16	-0.0%
Excl. MemUse (bytes)	-9,688	-9,688	0	0.0%
Incl. PeakMemUse (bytes)	93,848	94,376	528	0.6%
Incl. PeakMemUse (bytes) per call	93,848	94,376	528	0.6%
Excl. PeakMemUse (bytes)	2,016	2,016	0	0.0%

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_roles	0	N/A%	26	2.3%	37	3.1%	-16	-0.0%	528	0.8%
Exclusive Metrics Diff for Current Function			4	15.4%	10	27.0%	0	0.0%	0	0.0%
*Parent function*
theme_comment_post_forbidden	0	N/A%	26	100.0%	37	100.0%	-16	-100.0%	528	100.0%
*Child functions*
entity_load_multiple	0	N/A%	27	103.8%	36	97.3%	-16	-100.0%	528	100.0%
db_select	0	N/A%	-5	-19.2%	-5	-13.5%	0	0.0%	0	0.0%
Drupal\Core\Database\Statement::fetchCol	0	N/A%	-3	-11.5%	-4	-10.8%	0	0.0%	0	0.0%
array_flip	0	N/A%	1	3.8%	1	2.7%	0	0.0%	0	0.0%
drupal_static	0	N/A%	1	3.8%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::execute	0	N/A%	1	3.8%	1	2.7%	0	0.0%	0	0.0%
array_intersect_key	0	N/A%	0	0.0%	-1	-2.7%	0	0.0%	0	0.0%
array_keys	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::fields	0	N/A%	0	0.0%	-1	-2.7%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::condition	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%