XHProf: Hierarchical Profiler Report

Diff Report: Run #519eada161e65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519eada161e65	Run #519ead03a5283	Diff	Diff%
Number of Function Calls	108	108	0	0.0%
Incl. Wall Time (microsec)	7,285	6,465	-820	-11.3%
Incl. Wall Time (microsec) per call	67	60	-8	-11.3%
Excl. Wall Time (microsec)	1,725	1,662	-63	-3.7%
Incl. CPU (microsecs)	4,412	4,257	-155	-3.5%
Incl. CPU (microsecs) per call	41	39	-1	-3.5%
Excl. CPU (microsec)	1,458	1,387	-71	-4.9%
Incl. MemUse (bytes)	72,080	72,080	0	0.0%
Incl. MemUse (bytes) per call	667	667	0	0.0%
Excl. MemUse (bytes)	-102,912	-102,912	0	0.0%
Incl. PeakMemUse (bytes)	62,984	62,984	0	0.0%
Incl. PeakMemUse (bytes) per call	583	583	0	0.0%
Excl. PeakMemUse (bytes)	11,840	11,840	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%	-820	-700.9%	-155	-7.9%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-63	-7.7%	-71	-45.8%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-682	-83.2%	-152	-98.1%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-138	-16.8%	-3	-1.9%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-699	-85.2%	-41	-26.5%	0	N/A%	0	N/A%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-22	-2.7%	-23	-14.8%	0	N/A%	0	N/A%
drupal_static	0	N/A%	-19	-2.3%	-10	-6.5%	0	N/A%	0	N/A%
array_keys	0	N/A%	-14	-1.7%	-1	-0.6%	0	N/A%	0	N/A%
array_diff	0	N/A%	-2	-0.2%	-5	-3.2%	0	N/A%	0	N/A%
array_fill_keys	0	N/A%	-1	-0.1%	-4	-2.6%	0	N/A%	0	N/A%