XHProf: Hierarchical Profiler Report

Diff Report: Run #5199df04dd672: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #5199dd4798f9f: XHProf Run (Namespace=drupal-perf-ezeedub)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #5199df04dd672	Run #5199dd4798f9f	Diff	Diff%
Number of Function Calls	109	109	0	0.0%
Incl. Wall Time (microsec)	7,315	7,199	-116	-1.6%
Incl. Wall Time (microsec) per call	67	66	-1	-1.6%
Excl. Wall Time (microsec)	2,557	2,555	-2	-0.1%
Incl. CPU (microsecs)	8,000	0	-8,000	-100.0%
Incl. CPU (microsecs) per call	73	0	-73	-100.0%
Excl. CPU (microsec)	4,000	0	-4,000	-100.0%
Incl. MemUse (bytes)	39,860	39,848	-12	-0.0%
Incl. MemUse (bytes) per call	366	366	-0	-0.0%
Excl. MemUse (bytes)	-58,716	-58,712	4	0.0%
Incl. PeakMemUse (bytes)	44,024	43,892	-132	-0.3%
Incl. PeakMemUse (bytes) per call	404	403	-1	-0.3%
Excl. PeakMemUse (bytes)	8,520	8,468	-52	-0.6%

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%	-116	-0.5%	-8,000	-28.6%	-12	-0.0%	-132	-0.2%
Exclusive Metrics Diff for Current Function			-2	-1.7%	-4,000	-50.0%	4	33.3%	-52	-39.4%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-122	-105.2%	-4,000	-50.0%	-12	-100.0%	-132	-100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	6	5.2%	-4,000	-50.0%	0	0.0%	0	0.0%
*Child functions*
drupal_static	0	N/A%	-54	-46.6%	0	0.0%	0	0.0%	0	0.0%
array_keys	0	N/A%	-40	-34.5%	-4,000	-50.0%	-4	-33.3%	-28	-21.2%
Drupal\Core\Database\Connection::query	0	N/A%	-18	-15.5%	0	0.0%	0	0.0%	-24	-18.2%
array_diff	0	N/A%	-4	-3.4%	0	0.0%	0	0.0%	4	3.0%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	3	2.6%	0	0.0%	-12	-100.0%	-32	-24.2%
array_fill_keys	0	N/A%	-1	-0.9%	0	0.0%	0	0.0%	0	0.0%