XHProf: Hierarchical Profiler Report

Diff Report: Run #5199e5a1880e2: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #5199e3a2bf6f6: XHProf Run (Namespace=drupal-perf-ezeedub)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #5199e5a1880e2	Run #5199e3a2bf6f6	Diff	Diff%
Number of Function Calls	143	143	0	0.0%
Incl. Wall Time (microsec)	8,487	8,469	-18	-0.2%
Incl. Wall Time (microsec) per call	59	59	-0	-0.2%
Excl. Wall Time (microsec)	3,072	3,097	25	0.8%
Incl. CPU (microsecs)	8,000	4,000	-4,000	-50.0%
Incl. CPU (microsecs) per call	56	28	-28	-50.0%
Excl. CPU (microsec)	0	4,000	4,000	N/A%
Incl. MemUse (bytes)	48,728	48,732	4	0.0%
Incl. MemUse (bytes) per call	341	341	0	0.0%
Excl. MemUse (bytes)	-82,664	-82,648	16	0.0%
Incl. PeakMemUse (bytes)	50,324	50,408	84	0.2%
Incl. PeakMemUse (bytes) per call	352	353	1	0.2%
Excl. PeakMemUse (bytes)	9,664	9,756	92	1.0%

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%	-18	-0.1%	-4,000	-14.3%	4	0.0%	84	0.1%
Exclusive Metrics Diff for Current Function			25	138.9%	4,000	100.0%	16	400.0%	92	109.5%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-23	-127.8%	-4,000	-100.0%	4	100.0%	84	100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	5	27.8%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
drupal_static	0	N/A%	-59	-327.8%	-4,000	-100.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::query	0	N/A%	19	105.6%	-4,000	-100.0%	0	0.0%	0	0.0%
array_keys	0	N/A%	-12	-66.7%	0	0.0%	-12	-300.0%	8	9.5%
array_diff	0	N/A%	7	38.9%	0	0.0%	0	0.0%	-16	-19.0%
array_fill_keys	0	N/A%	1	5.6%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	1	5.6%	0	0.0%	0	0.0%	0	0.0%