XHProf: Hierarchical Profiler Report

Diff Report: Run #519afb4e24ae7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519afa8ec2e5c: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519afb4e24ae7	Run #519afa8ec2e5c	Diff	Diff%
Number of Function Calls	100	100	0	0.0%
Incl. Wall Time (microsec)	9,096	8,693	-403	-4.4%
Incl. Wall Time (microsec) per call	91	87	-4	-4.4%
Excl. Wall Time (microsec)	2,071	2,026	-45	-2.2%
Incl. CPU (microsecs)	6,170	5,846	-324	-5.3%
Incl. CPU (microsecs) per call	62	58	-3	-5.3%
Excl. CPU (microsec)	1,784	1,759	-25	-1.4%
Incl. MemUse (bytes)	72,840	72,840	0	0.0%
Incl. MemUse (bytes) per call	728	728	0	0.0%
Excl. MemUse (bytes)	-104,272	-104,304	-32	-0.0%
Incl. PeakMemUse (bytes)	72,200	72,216	16	0.0%
Incl. PeakMemUse (bytes) per call	722	722	0	0.0%
Excl. PeakMemUse (bytes)	20,448	20,448	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*
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-403	-42.7%	-324	-21.7%	0	0.0%	16	0.0%
Exclusive Metrics Diff for Current Function			-45	-11.2%	-25	-7.7%	-32	N/A%	0	0.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-382	-94.8%	-244	-75.3%	0	N/A%	16	100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-21	-5.2%	-80	-24.7%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-322	-79.9%	-249	-76.9%	0	N/A%	0	0.0%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-81	-20.1%	-88	-27.2%	0	N/A%	0	0.0%
array_diff	0	N/A%	32	7.9%	24	7.4%	0	N/A%	0	0.0%
array_keys	0	N/A%	7	1.7%	1	0.3%	32	N/A%	16	100.0%
drupal_static	0	N/A%	5	1.2%	9	2.8%	0	N/A%	0	0.0%
array_fill_keys	0	N/A%	1	0.2%	4	1.2%	0	N/A%	0	0.0%