XHProf: Hierarchical Profiler Report

Diff Report: Run #519eb193b2faa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eb1c65e7e6: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519eb193b2faa	Run #519eb1c65e7e6	Diff	Diff%
Number of Function Calls	110	110	0	0.0%
Incl. Wall Time (microsec)	7,180	6,292	-888	-12.4%
Incl. Wall Time (microsec) per call	65	57	-8	-12.4%
Excl. Wall Time (microsec)	1,923	1,721	-202	-10.5%
Incl. CPU (microsecs)	4,644	4,248	-396	-8.5%
Incl. CPU (microsecs) per call	42	39	-4	-8.5%
Excl. CPU (microsec)	1,623	1,439	-184	-11.3%
Incl. MemUse (bytes)	73,056	73,056	0	0.0%
Incl. MemUse (bytes) per call	664	664	0	0.0%
Excl. MemUse (bytes)	-100,376	-100,376	0	0.0%
Incl. PeakMemUse (bytes)	63,776	63,776	0	0.0%
Incl. PeakMemUse (bytes) per call	580	580	0	0.0%
Excl. PeakMemUse (bytes)	12,704	12,704	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%	-888	-56.8%	-396	-15.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-202	-22.7%	-184	-46.5%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-742	-83.6%	-380	-96.0%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-146	-16.4%	-16	-4.0%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-495	-55.7%	10	2.5%	0	N/A%	0	N/A%
drupal_static	0	N/A%	-101	-11.4%	-102	-25.8%	0	N/A%	0	N/A%
array_keys	0	N/A%	-44	-5.0%	-55	-13.9%	0	N/A%	0	N/A%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-33	-3.7%	-34	-8.6%	0	N/A%	0	N/A%
array_diff	0	N/A%	-14	-1.6%	-29	-7.3%	0	N/A%	0	N/A%
array_fill_keys	0	N/A%	1	0.1%	-2	-0.5%	0	N/A%	0	N/A%