XHProf: Hierarchical Profiler Report

Diff Report: Run #519fe4bc90ab9: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fe58959c26: XHProf Run (Namespace=drupal-perf-mrbaileys)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #519fe4bc90ab9	Run #519fe58959c26	Diff	Diff%
Number of Function Calls	128	128	0	0.0%
Incl. Wall Time (microsec)	5,595	5,377	-218	-3.9%
Incl. Wall Time (microsec) per call	44	42	-2	-3.9%
Excl. Wall Time (microsec)	1,871	1,929	58	3.1%
Incl. CPU (microsecs)	4,000	12,000	8,000	200.0%
Incl. CPU (microsecs) per call	31	94	63	200.0%
Excl. CPU (microsec)	0	8,000	8,000	N/A%
Incl. MemUse (bytes)	84,928	84,928	0	0.0%
Incl. MemUse (bytes) per call	664	664	0	0.0%
Excl. MemUse (bytes)	-103,248	-103,256	-8	-0.0%
Incl. PeakMemUse (bytes)	57,584	57,696	112	0.2%
Incl. PeakMemUse (bytes) per call	450	451	1	0.2%
Excl. PeakMemUse (bytes)	10,360	10,472	112	1.1%

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%	-218	-47.2%	8,000	800000.0%	0	0.0%	112	0.1%
Exclusive Metrics Diff for Current Function			58	26.6%	8,000	100.0%	-8	N/A%	112	100.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-218	-100.0%	8,000	100.0%	0	N/A%	112	100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-208	-95.4%	4,000	50.0%	0	N/A%	0	0.0%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-25	-11.5%	0	0.0%	0	N/A%	0	0.0%
drupal_static	0	N/A%	-22	-10.1%	-4,000	-50.0%	0	N/A%	0	0.0%
array_keys	0	N/A%	-14	-6.4%	0	0.0%	8	N/A%	0	0.0%
array_diff	0	N/A%	-8	-3.7%	0	0.0%	0	N/A%	0	0.0%
array_fill_keys	0	N/A%	1	0.5%	0	0.0%	0	N/A%	0	0.0%